State of Node.js Performance 2023
This report was separated into three groups:
- Node.js Internal Benchmark
- HTTP Servers
- Node.js Common Operations
Dedicated Host
- Dedicated Host on AWS
- Running a dedicated instance
- c6i.xlarge (Ice Lake) 3,5 GHz - Computing Optimized
- 4 vCPUs
- 8 GB Mem
Setup
cd ~/repos/node
nvm install v20.0.0
cp $(which node) ./node20
nvm install v18.16.0
cp $(which node) ./node18
nvm install v16.20.0
cp $(which node) ./node16
Node.js Internal Benchmark
- Node.js Internal Benchmark
$ ./benchmark.sh
fs results
state-of-nodejs-performance-2023 (main) node-benchmark-compare compare-fs-16-18.csv
confidence improvement accuracy (*) (**) (***)
fs/bench-opendir.js bufferSize=1024 mode='async' dir='test/parallel' n=100 *** -0.61 % 0.26% 0.34% 0.45%
fs/bench-opendir.js bufferSize=32 mode='async' dir='test/parallel' n=100 *** -2.29 % 0.28% 0.37% 0.49%
fs/bench-readdir.js withFileTypes='false' dir='test/parallel' n=10 *** -5.90 % 0.22% 0.30% 0.39%
fs/bench-realpath.js pathType='relative' n=10000 *** 1.61 % 0.85% 1.14% 1.48%
fs/bench-stat-promise.js statType='fstat' n=200000 *** -2.17 % 0.81% 1.08% 1.41%
fs/bench-stat-promise.js statType='lstat' n=200000 *** -2.40 % 0.90% 1.20% 1.56%
fs/bench-stat-promise.js statType='stat' n=200000 *** -1.86 % 0.98% 1.30% 1.70%
fs/readfile.js concurrent=1 len=16777216 encoding='ascii' duration=5 *** 67.59 % 3.80% 5.12% 6.79%
fs/readfile.js concurrent=1 len=16777216 encoding='utf-8' duration=5 *** 11.97 % 1.09% 1.46% 1.93%
fs/writefile-promises.js concurrent=1 size=1024 encodingType='utf' duration=5 0.36 % 0.56% 0.75% 0.97%
state-of-nodejs-performance-2023 (main) node-benchmark-compare compare-fs-18-20.csv
confidence improvement accuracy (*) (**) (***)
fs/bench-opendir.js bufferSize=1024 mode='async' dir='test/parallel' n=100 *** 3.48 % 0.22% 0.30% 0.39%
fs/bench-opendir.js bufferSize=32 mode='async' dir='test/parallel' n=100 *** 7.86 % 0.29% 0.39% 0.50%
fs/bench-readdir.js withFileTypes='false' dir='test/parallel' n=10 *** 8.69 % 0.22% 0.30% 0.39%
fs/bench-realpath.js pathType='relative' n=10000 *** 5.13 % 0.97% 1.29% 1.69%
fs/bench-stat-promise.js statType='fstat' n=200000 0.70 % 0.70% 0.93% 1.22%
fs/bench-stat-promise.js statType='lstat' n=200000 0.64 % 0.77% 1.02% 1.34%
fs/bench-stat-promise.js statType='stat' n=200000 0.67 % 0.85% 1.13% 1.47%
fs/readfile.js concurrent=1 len=16777216 encoding='ascii' duration=5 *** -27.30 % 4.27% 5.75% 7.63%
fs/readfile.js concurrent=1 len=16777216 encoding='utf-8' duration=5 *** 3.25 % 0.61% 0.81% 1.06%
fs/writefile-promises.js concurrent=1 size=1024 encodingType='utf' duration=5 -0.34 % 0.54% 0.72% 0.94%
state-of-nodejs-performance-2023 (main) node-benchmark-compare compare-fs-16-20.csv
confidence improvement accuracy (*) (**) (***)
fs/bench-opendir.js bufferSize=1024 mode='async' dir='test/parallel' n=100 *** 2.79 % 0.26% 0.35% 0.46%
fs/bench-opendir.js bufferSize=32 mode='async' dir='test/parallel' n=100 *** 5.41 % 0.27% 0.35% 0.46%
fs/bench-readdir.js withFileTypes='false' dir='test/parallel' n=10 *** 2.19 % 0.26% 0.35% 0.45%
fs/bench-realpath.js pathType='relative' n=10000 *** 6.86 % 0.94% 1.26% 1.64%
fs/bench-stat-promise.js statType='fstat' n=200000 *** -1.67 % 0.72% 0.96% 1.24%
fs/bench-stat-promise.js statType='lstat' n=200000 *** -1.59 % 0.84% 1.13% 1.47%
fs/bench-stat-promise.js statType='stat' n=200000 *** -2.13 % 0.87% 1.17% 1.52%
fs/readfile.js concurrent=1 len=16777216 encoding='ascii' duration=5 *** 21.96 % 7.96% 10.63% 13.92%
fs/readfile.js concurrent=1 len=16777216 encoding='utf-8' duration=5 *** 15.55 % 1.09% 1.46% 1.92%
fs/writefile-promises.js concurrent=1 size=1024 encodingType='utf' duration=5 0.07 % 0.51% 0.68% 0.89%
events results
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-events-16-18.csv
confidence improvement accuracy (*) (**) (***)
events/ee-add-remove.js n=1000000 removeListener=0 newListener=0 *** 5.37 % 0.42% 0.56% 0.74%
events/ee-add-remove.js n=1000000 removeListener=0 newListener=1 *** 6.45 % 0.70% 0.93% 1.21%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=0 *** 3.55 % 0.56% 0.75% 0.98%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=1 *** 7.66 % 0.70% 0.93% 1.22%
events/ee-emit.js listeners=5 argc=2 n=2000000 *** 9.93 % 1.24% 1.66% 2.17%
events/ee-once.js argc=0 n=20000000 *** 7.06 % 0.46% 0.62% 0.80%
events/eventtarget-add-remove.js nListener=10 n=1000000 * 2.18 % 1.70% 2.29% 3.03%
events/eventtarget-add-remove.js nListener=5 n=1000000 1.80 % 2.88% 3.86% 5.08%
events/eventtarget.js listeners=1 n=1000000 *** 14.06 % 0.51% 0.68% 0.88%
events/eventtarget.js listeners=10 n=1000000 *** 10.18 % 0.28% 0.37% 0.49%
events/eventtarget.js listeners=5 n=1000000 *** 13.35 % 0.24% 0.32% 0.42%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-events-18-20.csv
confidence improvement accuracy (*) (**) (***)
events/ee-add-remove.js n=1000000 removeListener=0 newListener=0 *** -5.53 % 0.44% 0.59% 0.77%
events/ee-add-remove.js n=1000000 removeListener=0 newListener=1 *** -2.70 % 1.20% 1.60% 2.10%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=0 0.89 % 1.03% 1.38% 1.82%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=1 *** -6.01 % 1.31% 1.76% 2.32%
events/ee-emit.js listeners=5 argc=2 n=2000000 ** 1.38 % 1.01% 1.35% 1.75%
events/ee-once.js argc=0 n=20000000 *** -10.96 % 0.44% 0.59% 0.77%
events/eventtarget-add-remove.js nListener=10 n=1000000 0.02 % 1.44% 1.93% 2.52%
events/eventtarget-add-remove.js nListener=5 n=1000000 * 1.79 % 1.62% 2.15% 2.80%
events/eventtarget.js listeners=1 n=1000000 *** 213.60 % 2.46% 3.32% 4.40%
events/eventtarget.js listeners=10 n=1000000 *** 151.44 % 1.80% 2.42% 3.21%
events/eventtarget.js listeners=5 n=1000000 *** 181.52 % 1.95% 2.62% 3.48%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-events-16-20.csv
confidence improvement accuracy (*) (**) (***)
events/ee-add-remove.js n=1000000 removeListener=0 newListener=0 ** -0.45 % 0.32% 0.42% 0.55%
events/ee-add-remove.js n=1000000 removeListener=0 newListener=1 *** 3.41 % 1.26% 1.69% 2.22%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=0 *** 3.92 % 0.54% 0.72% 0.94%
events/ee-add-remove.js n=1000000 removeListener=1 newListener=1 1.39 % 1.45% 1.94% 2.55%
events/ee-emit.js listeners=5 argc=2 n=2000000 *** 11.49 % 1.37% 1.83% 2.38%
events/ee-once.js argc=0 n=20000000 *** -4.35 % 0.47% 0.62% 0.81%
events/eventtarget-add-remove.js nListener=10 n=1000000 *** 3.80 % 0.83% 1.11% 1.46%
events/eventtarget-add-remove.js nListener=5 n=1000000 *** 6.41 % 1.54% 2.05% 2.67%
events/eventtarget.js listeners=1 n=1000000 *** 259.34 % 2.83% 3.81% 5.05%
events/eventtarget.js listeners=10 n=1000000 *** 176.98 % 1.97% 2.65% 3.52%
events/eventtarget.js listeners=5 n=1000000 *** 219.14 % 2.20% 2.97% 3.94%
http results
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-http-16-18.csv
confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=8 *** 2.23 % 0.57% 0.76% 1.00%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='buffer' benchmarker='test-double-http' *** 8.42 % 1.36% 1.82% 2.36%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='bytes' benchmarker='test-double-http' *** 8.70 % 1.17% 1.56% 2.03%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-http-18-20.csv
confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=8 *** 11.54 % 0.65% 0.87% 1.13%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='buffer' benchmarker='test-double-http' *** 96.13 % 2.71% 3.64% 4.78%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='bytes' benchmarker='test-double-http' *** 92.86 % 2.55% 3.42% 4.51%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-http-16-20.csv
confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=8 *** 14.12 % 0.55% 0.74% 0.96%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='buffer' benchmarker='test-double-http' *** 112.66 % 2.92% 3.91% 5.15%
http/simple.js duration=10 chunkedEnc=0 c=100 chunks=4 len=1024 type='bytes' benchmarker='test-double-http' *** 108.94 % 2.82% 3.78% 4.97%
misc results
nodejs-internal-benchmark (main) node-benchmark-compare compare-misc-16-18.csv
confidence improvement accuracy (*) (**) (***)
misc/startup.js count=30 mode='process' script='benchmark/fixtures/require-builtins' *** 12.99 % 0.14% 0.19% 0.25%
misc/startup.js count=30 mode='process' script='test/fixtures/semicolon' *** 5.88 % 0.15% 0.20% 0.26%
misc/startup.js count=30 mode='worker' script='benchmark/fixtures/require-builtins' *** 5.26 % 0.14% 0.19% 0.25%
misc/startup.js count=30 mode='worker' script='test/fixtures/semicolon' *** 3.84 % 0.15% 0.21% 0.27%
misc/trace.js method='trace' n=100000 *** 3.80 % 2.03% 2.71% 3.56%
nodejs-internal-benchmark (main) node-benchmark-compare compare-misc-18-20.csv
confidence improvement accuracy (*) (**) (***)
misc/startup.js count=30 mode='process' script='benchmark/fixtures/require-builtins' *** -4.80 % 0.13% 0.18% 0.23%
misc/startup.js count=30 mode='process' script='test/fixtures/semicolon' *** 27.27 % 0.22% 0.29% 0.38%
misc/startup.js count=30 mode='worker' script='benchmark/fixtures/require-builtins' *** 7.23 % 0.21% 0.28% 0.37%
misc/startup.js count=30 mode='worker' script='test/fixtures/semicolon' *** 31.26 % 0.33% 0.44% 0.58%
misc/trace.js method='trace' n=100000 *** 2.39 % 1.00% 1.34% 1.76%
Updated file saved to compare-misc-16-20.csv
nodejs-internal-benchmark (main) node-benchmark-compare compare-misc-16-20.csv
confidence improvement accuracy (*) (**) (***)
misc/startup.js count=30 mode='process' script='benchmark/fixtures/require-builtins' *** 7.40 % 0.12% 0.16% 0.21%
misc/startup.js count=30 mode='process' script='test/fixtures/semicolon' *** 34.75 % 0.21% 0.28% 0.36%
misc/startup.js count=30 mode='worker' script='benchmark/fixtures/require-builtins' *** 12.79 % 0.23% 0.30% 0.40%
misc/startup.js count=30 mode='worker' script='test/fixtures/semicolon' *** 36.40 % 0.34% 0.46% 0.60%
misc/trace.js method='trace' n=100000 *** 7.05 % 0.99% 1.32% 1.73%
module results
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-module-16-18.csv
confidence improvement accuracy (*) (**) (***)
module/module-require.js n=10000 type='.js' *** 3.86 % 1.21% 1.62% 2.11%
module/module-require.js n=10000 type='.json' *** 8.09 % 0.65% 0.87% 1.13%
module/module-require.js n=10000 type='dir' -0.21 % 0.57% 0.76% 1.00%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-module-18-20.csv
confidence improvement accuracy (*) (**) (***)
module/module-require.js n=10000 type='.js' *** 4.20 % 0.66% 0.88% 1.15%
module/module-require.js n=10000 type='.json' *** 6.58 % 0.68% 0.90% 1.18%
module/module-require.js n=10000 type='dir' *** 9.50 % 0.63% 0.84% 1.09%
streams results
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-streams-16-18.csv
confidence improvement accuracy (*) (**) (***)
streams/creation.js kind='duplex' n=50000000 *** -54.92 % 2.20% 2.94% 3.85%
streams/creation.js kind='readable' n=50000000 *** -30.41 % 0.59% 0.79% 1.03%
streams/creation.js kind='transform' n=50000000 * -6.24 % 5.29% 7.04% 9.16%
streams/creation.js kind='writable' n=50000000 *** -28.73 % 0.83% 1.11% 1.47%
streams/destroy.js kind='duplex' n=1000000 0.61 % 0.79% 1.05% 1.36%
streams/destroy.js kind='readable' n=1000000 *** -1.82 % 0.60% 0.80% 1.04%
streams/destroy.js kind='transform' n=1000000 *** 7.96 % 0.68% 0.91% 1.18%
streams/destroy.js kind='writable' n=1000000 *** -3.67 % 2.10% 2.79% 3.63%
streams/pipe.js n=5000000 *** -48.74 % 0.66% 0.88% 1.16%
streams/readable-async-iterator.js sync='no' n=100000 -0.54 % 0.77% 1.02% 1.33%
streams/readable-async-iterator.js sync='yes' n=100000 -0.64 % 0.81% 1.08% 1.41%
streams/readable-from.js n=10000000 0.30 % 1.46% 1.96% 2.59%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-streams-18-20.csv
confidence improvement accuracy (*) (**) (***)
streams/creation.js kind='duplex' n=50000000 *** 12.76 % 4.30% 5.73% 7.47%
streams/creation.js kind='readable' n=50000000 *** 3.48 % 1.16% 1.55% 2.05%
streams/creation.js kind='transform' n=50000000 ** -7.59 % 5.27% 7.02% 9.16%
streams/creation.js kind='writable' n=50000000 *** 4.20 % 0.87% 1.16% 1.53%
streams/destroy.js kind='duplex' n=1000000 *** -6.33 % 1.08% 1.43% 1.87%
streams/destroy.js kind='readable' n=1000000 *** -1.94 % 0.70% 0.93% 1.21%
streams/destroy.js kind='transform' n=1000000 *** -7.44 % 0.93% 1.24% 1.62%
streams/destroy.js kind='writable' n=1000000 0.20 % 1.89% 2.52% 3.29%
streams/pipe.js n=5000000 *** 87.18 % 2.58% 3.46% 4.56%
streams/readable-async-iterator.js sync='no' n=100000 *** 6.14 % 0.88% 1.17% 1.52%
streams/readable-async-iterator.js sync='yes' n=100000 *** 3.47 % 0.65% 0.87% 1.13%
streams/readable-from.js n=10000000 -1.10 % 2.25% 3.01% 3.94%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-streams-16-20.csv
confidence improvement accuracy (*) (**) (***)
streams/creation.js kind='duplex' n=50000000 *** -49.90 % 2.43% 3.23% 4.21%
streams/creation.js kind='readable' n=50000000 *** -27.69 % 0.92% 1.23% 1.60%
streams/creation.js kind='transform' n=50000000 *** -15.23 % 4.60% 6.13% 7.99%
streams/creation.js kind='writable' n=50000000 *** -25.72 % 0.97% 1.29% 1.68%
streams/destroy.js kind='duplex' n=1000000 *** -5.62 % 1.05% 1.40% 1.83%
streams/destroy.js kind='readable' n=1000000 *** -3.73 % 0.69% 0.92% 1.19%
streams/destroy.js kind='transform' n=1000000 -0.58 % 0.76% 1.01% 1.31%
streams/destroy.js kind='writable' n=1000000 *** -3.33 % 1.81% 2.42% 3.16%
streams/pipe.js n=5000000 *** -3.74 % 1.40% 1.88% 2.46%
streams/readable-async-iterator.js sync='no' n=100000 *** 6.09 % 0.76% 1.01% 1.32%
streams/readable-async-iterator.js sync='yes' n=100000 *** 2.57 % 0.73% 0.98% 1.27%
streams/readable-from.js n=10000000 -0.28 % 2.08% 2.79% 3.69%
url results
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-url-16-18.csv
confidence improvement accuracy (*) (**) (***)
url/legacy-url-parse.js e=1 type='auth' *** 24.11 % 1.40% 1.87% 2.47%
url/legacy-url-parse.js e=1 type='dot' *** 45.45 % 2.19% 2.94% 3.89%
url/legacy-url-parse.js e=1 type='file' *** 75.36 % 2.73% 3.64% 4.76%
url/legacy-url-parse.js e=1 type='idn' *** 55.69 % 1.59% 2.13% 2.80%
url/legacy-url-parse.js e=1 type='javascript' *** 50.63 % 4.26% 5.72% 7.55%
url/legacy-url-parse.js e=1 type='long' ** 6.15 % 4.38% 5.85% 7.65%
url/legacy-url-parse.js e=1 type='percent' *** 62.52 % 0.73% 0.98% 1.28%
url/legacy-url-parse.js e=1 type='short' *** 49.30 % 2.15% 2.89% 3.83%
url/legacy-url-parse.js e=1 type='wpt' *** 37.89 % 2.17% 2.88% 3.75%
url/legacy-url-parse.js e=1 type='ws' *** 18.81 % 3.71% 4.94% 6.44%
url/url-parse.js n=10000000 type='escaped' *** -5.09 % 1.19% 1.59% 2.10%
url/url-parse.js n=10000000 type='normal' *** -10.54 % 2.54% 3.38% 4.40%
url/url-resolve.js n=100000 path='down' href='auth' * -1.05 % 0.91% 1.23% 1.62%
url/url-resolve.js n=100000 path='down' href='dot' *** -1.87 % 0.75% 1.00% 1.31%
url/url-resolve.js n=100000 path='down' href='file' *** 9.97 % 0.43% 0.58% 0.76%
url/url-resolve.js n=100000 path='down' href='idn' *** -2.84 % 0.85% 1.13% 1.47%
url/url-resolve.js n=100000 path='down' href='javascript' *** -2.31 % 0.91% 1.21% 1.59%
url/url-resolve.js n=100000 path='down' href='long' *** -0.92 % 0.30% 0.39% 0.51%
url/url-resolve.js n=100000 path='down' href='noscheme' ** -0.62 % 0.46% 0.61% 0.79%
url/url-resolve.js n=100000 path='down' href='percent' *** 9.52 % 0.42% 0.56% 0.73%
url/url-resolve.js n=100000 path='down' href='short' *** -3.19 % 0.92% 1.22% 1.59%
url/url-resolve.js n=100000 path='down' href='ws' *** -2.69 % 0.56% 0.74% 0.97%
url/url-resolve.js n=100000 path='foo/bar' href='auth' *** -3.53 % 0.60% 0.80% 1.05%
url/url-resolve.js n=100000 path='foo/bar' href='dot' *** -3.51 % 0.79% 1.05% 1.37%
url/url-resolve.js n=100000 path='foo/bar' href='file' *** 9.47 % 0.42% 0.56% 0.74%
url/url-resolve.js n=100000 path='foo/bar' href='idn' *** -3.64 % 0.62% 0.82% 1.07%
url/url-resolve.js n=100000 path='foo/bar' href='javascript' *** -5.26 % 0.68% 0.90% 1.18%
url/url-resolve.js n=100000 path='foo/bar' href='long' *** 0.92 % 0.40% 0.53% 0.69%
url/url-resolve.js n=100000 path='foo/bar' href='noscheme' 0.22 % 0.70% 0.93% 1.21%
url/url-resolve.js n=100000 path='foo/bar' href='percent' *** 8.00 % 0.68% 0.91% 1.19%
url/url-resolve.js n=100000 path='foo/bar' href='short' *** -4.51 % 0.70% 0.93% 1.22%
url/url-resolve.js n=100000 path='foo/bar' href='ws' *** -4.82 % 0.56% 0.75% 0.99%
url/url-resolve.js n=100000 path='sibling' href='auth' *** -1.65 % 0.71% 0.95% 1.24%
url/url-resolve.js n=100000 path='sibling' href='dot' ** -1.03 % 0.75% 1.00% 1.32%
url/url-resolve.js n=100000 path='sibling' href='file' *** 9.37 % 0.39% 0.52% 0.68%
url/url-resolve.js n=100000 path='sibling' href='idn' *** -3.25 % 0.74% 0.99% 1.29%
url/url-resolve.js n=100000 path='sibling' href='javascript' *** -1.72 % 0.62% 0.82% 1.08%
url/url-resolve.js n=100000 path='sibling' href='long' *** 1.77 % 0.38% 0.50% 0.66%
url/url-resolve.js n=100000 path='sibling' href='noscheme' -0.60 % 0.61% 0.81% 1.06%
url/url-resolve.js n=100000 path='sibling' href='percent' *** 9.96 % 0.42% 0.57% 0.74%
url/url-resolve.js n=100000 path='sibling' href='short' *** -1.50 % 0.75% 1.00% 1.31%
url/url-resolve.js n=100000 path='sibling' href='ws' *** -1.78 % 0.59% 0.78% 1.02%
url/url-resolve.js n=100000 path='up' href='auth' *** -3.35 % 0.72% 0.96% 1.25%
url/url-resolve.js n=100000 path='up' href='dot' *** -0.92 % 0.43% 0.58% 0.75%
url/url-resolve.js n=100000 path='up' href='file' *** 7.02 % 0.39% 0.51% 0.67%
url/url-resolve.js n=100000 path='up' href='idn' *** -3.61 % 0.61% 0.82% 1.07%
url/url-resolve.js n=100000 path='up' href='javascript' *** -4.30 % 0.81% 1.08% 1.41%
url/url-resolve.js n=100000 path='up' href='long' * 0.51 % 0.47% 0.63% 0.81%
url/url-resolve.js n=100000 path='up' href='noscheme' *** -1.54 % 0.51% 0.69% 0.90%
url/url-resolve.js n=100000 path='up' href='percent' *** 7.80 % 0.62% 0.83% 1.09%
url/url-resolve.js n=100000 path='up' href='short' *** -1.99 % 0.64% 0.86% 1.12%
url/url-resolve.js n=100000 path='up' href='ws' *** -1.65 % 0.56% 0.75% 0.98%
url/url-resolve.js n=100000 path='withscheme' href='auth' *** -4.74 % 0.42% 0.56% 0.73%
url/url-resolve.js n=100000 path='withscheme' href='dot' *** -6.83 % 1.11% 1.48% 1.92%
url/url-resolve.js n=100000 path='withscheme' href='file' *** 5.38 % 0.59% 0.79% 1.03%
url/url-resolve.js n=100000 path='withscheme' href='idn' *** -4.73 % 0.59% 0.79% 1.03%
url/url-resolve.js n=100000 path='withscheme' href='javascript' *** -5.16 % 0.96% 1.28% 1.69%
url/url-resolve.js n=100000 path='withscheme' href='long' *** -3.61 % 0.63% 0.84% 1.10%
url/url-resolve.js n=100000 path='withscheme' href='noscheme' *** -5.83 % 0.45% 0.59% 0.77%
url/url-resolve.js n=100000 path='withscheme' href='percent' *** 5.61 % 0.77% 1.03% 1.34%
url/url-resolve.js n=100000 path='withscheme' href='short' *** -6.64 % 0.55% 0.73% 0.95%
url/url-resolve.js n=100000 path='withscheme' href='ws' *** -6.92 % 0.50% 0.67% 0.87%
url/whatwg-url-parse.js e=1 type='auth' withBase='false' *** 3.28 % 0.89% 1.19% 1.55%
url/whatwg-url-parse.js e=1 type='auth' withBase='true' *** 83.91 % 1.14% 1.53% 2.01%
url/whatwg-url-parse.js e=1 type='dot' withBase='false' *** 59.81 % 0.97% 1.29% 1.69%
url/whatwg-url-parse.js e=1 type='dot' withBase='true' *** 198.01 % 1.69% 2.26% 2.97%
url/whatwg-url-parse.js e=1 type='file' withBase='false' *** 17.06 % 1.02% 1.36% 1.77%
url/whatwg-url-parse.js e=1 type='file' withBase='true' *** 159.90 % 1.98% 2.67% 3.53%
url/whatwg-url-parse.js e=1 type='idn' withBase='false' *** 28.46 % 0.97% 1.30% 1.71%
url/whatwg-url-parse.js e=1 type='idn' withBase='true' *** 134.64 % 1.25% 1.68% 2.20%
url/whatwg-url-parse.js e=1 type='javascript' withBase='false' *** 16.76 % 0.93% 1.23% 1.61%
url/whatwg-url-parse.js e=1 type='javascript' withBase='true' *** 169.94 % 1.98% 2.66% 3.51%
url/whatwg-url-parse.js e=1 type='long' withBase='false' *** 70.69 % 1.08% 1.44% 1.88%
url/whatwg-url-parse.js e=1 type='long' withBase='true' *** 114.66 % 1.62% 2.18% 2.89%
url/whatwg-url-parse.js e=1 type='percent' withBase='false' *** 32.81 % 1.01% 1.34% 1.74%
url/whatwg-url-parse.js e=1 type='percent' withBase='true' *** 151.85 % 1.53% 2.04% 2.67%
url/whatwg-url-parse.js e=1 type='short' withBase='false' *** 59.16 % 1.59% 2.12% 2.77%
url/whatwg-url-parse.js e=1 type='short' withBase='true' *** 202.12 % 1.99% 2.68% 3.54%
url/whatwg-url-parse.js e=1 type='wpt' withBase='false' *** 23.16 % 1.15% 1.54% 2.01%
url/whatwg-url-parse.js e=1 type='wpt' withBase='true' *** 116.30 % 0.65% 0.87% 1.15%
url/whatwg-url-parse.js e=1 type='ws' withBase='false' *** 36.09 % 1.16% 1.54% 2.01%
url/whatwg-url-parse.js e=1 type='ws' withBase='true' *** 160.39 % 2.07% 2.78% 3.67%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-url-18-20.csv
confidence improvement accuracy (*) (**) (***)
url/legacy-url-parse.js e=1 type='auth' *** -32.82 % 1.50% 2.00% 2.60%
url/legacy-url-parse.js e=1 type='dot' *** -28.57 % 2.09% 2.82% 3.74%
url/legacy-url-parse.js e=1 type='file' *** -16.42 % 2.70% 3.59% 4.69%
url/legacy-url-parse.js e=1 type='idn' *** -28.80 % 0.82% 1.10% 1.43%
url/legacy-url-parse.js e=1 type='javascript' 0.84 % 2.67% 3.55% 4.63%
url/legacy-url-parse.js e=1 type='long' 0.16 % 6.07% 8.08% 10.53%
url/legacy-url-parse.js e=1 type='percent' *** -20.59 % 1.44% 1.93% 2.54%
url/legacy-url-parse.js e=1 type='short' *** -23.42 % 2.54% 3.39% 4.45%
url/legacy-url-parse.js e=1 type='wpt' *** 21.06 % 1.90% 2.53% 3.29%
url/legacy-url-parse.js e=1 type='ws' *** -15.00 % 3.59% 4.78% 6.22%
url/url-parse.js n=10000000 type='escaped' *** -2.03 % 0.81% 1.08% 1.42%
url/url-parse.js n=10000000 type='normal' *** -9.40 % 2.81% 3.78% 4.99%
url/url-resolve.js n=100000 path='down' href='auth' ** 1.07 % 0.76% 1.02% 1.34%
url/url-resolve.js n=100000 path='down' href='dot' 0.36 % 0.67% 0.89% 1.17%
url/url-resolve.js n=100000 path='down' href='file' *** 3.37 % 0.58% 0.78% 1.01%
url/url-resolve.js n=100000 path='down' href='idn' *** -4.35 % 0.80% 1.06% 1.40%
url/url-resolve.js n=100000 path='down' href='javascript' *** 5.98 % 0.69% 0.92% 1.20%
url/url-resolve.js n=100000 path='down' href='long' *** -1.09 % 0.41% 0.55% 0.71%
url/url-resolve.js n=100000 path='down' href='noscheme' *** 2.43 % 0.62% 0.82% 1.07%
url/url-resolve.js n=100000 path='down' href='percent' *** 1.28 % 0.55% 0.73% 0.95%
url/url-resolve.js n=100000 path='down' href='short' 0.64 % 0.70% 0.93% 1.23%
url/url-resolve.js n=100000 path='down' href='ws' ** 0.88 % 0.55% 0.73% 0.95%
url/url-resolve.js n=100000 path='foo/bar' href='auth' *** 2.08 % 0.58% 0.77% 1.01%
url/url-resolve.js n=100000 path='foo/bar' href='dot' *** 1.43 % 0.73% 0.98% 1.27%
url/url-resolve.js n=100000 path='foo/bar' href='file' *** 3.65 % 0.61% 0.82% 1.08%
url/url-resolve.js n=100000 path='foo/bar' href='idn' *** -4.06 % 0.72% 0.96% 1.26%
url/url-resolve.js n=100000 path='foo/bar' href='javascript' *** 6.88 % 1.31% 1.75% 2.29%
url/url-resolve.js n=100000 path='foo/bar' href='long' *** -1.05 % 0.50% 0.67% 0.88%
url/url-resolve.js n=100000 path='foo/bar' href='noscheme' *** 2.17 % 0.55% 0.73% 0.95%
url/url-resolve.js n=100000 path='foo/bar' href='percent' *** 2.55 % 0.65% 0.87% 1.15%
url/url-resolve.js n=100000 path='foo/bar' href='short' 0.58 % 1.10% 1.47% 1.91%
url/url-resolve.js n=100000 path='foo/bar' href='ws' -0.63 % 0.67% 0.89% 1.16%
url/url-resolve.js n=100000 path='sibling' href='auth' *** 1.05 % 0.57% 0.76% 1.00%
url/url-resolve.js n=100000 path='sibling' href='dot' 0.53 % 0.61% 0.81% 1.06%
url/url-resolve.js n=100000 path='sibling' href='file' -0.08 % 0.58% 0.78% 1.03%
url/url-resolve.js n=100000 path='sibling' href='idn' *** -3.88 % 0.71% 0.95% 1.25%
url/url-resolve.js n=100000 path='sibling' href='javascript' *** 6.06 % 0.45% 0.59% 0.78%
url/url-resolve.js n=100000 path='sibling' href='long' -0.30 % 0.45% 0.60% 0.79%
url/url-resolve.js n=100000 path='sibling' href='noscheme' *** 3.11 % 0.58% 0.77% 1.01%
url/url-resolve.js n=100000 path='sibling' href='percent' * 0.69 % 0.53% 0.70% 0.92%
url/url-resolve.js n=100000 path='sibling' href='short' *** 2.18 % 0.75% 1.00% 1.30%
url/url-resolve.js n=100000 path='sibling' href='ws' 0.73 % 0.76% 1.01% 1.32%
url/url-resolve.js n=100000 path='up' href='auth' *** 1.21 % 0.66% 0.88% 1.14%
url/url-resolve.js n=100000 path='up' href='dot' *** 1.97 % 0.90% 1.20% 1.57%
url/url-resolve.js n=100000 path='up' href='file' *** 2.90 % 0.78% 1.05% 1.38%
url/url-resolve.js n=100000 path='up' href='idn' *** -4.88 % 0.49% 0.65% 0.85%
url/url-resolve.js n=100000 path='up' href='javascript' *** 4.93 % 0.54% 0.72% 0.94%
url/url-resolve.js n=100000 path='up' href='long' *** -1.19 % 0.55% 0.73% 0.95%
url/url-resolve.js n=100000 path='up' href='noscheme' *** 2.82 % 0.87% 1.16% 1.52%
url/url-resolve.js n=100000 path='up' href='percent' *** 2.66 % 0.59% 0.80% 1.05%
url/url-resolve.js n=100000 path='up' href='short' * 0.79 % 0.77% 1.02% 1.33%
url/url-resolve.js n=100000 path='up' href='ws' -0.05 % 0.71% 0.94% 1.23%
url/url-resolve.js n=100000 path='withscheme' href='auth' *** -2.25 % 0.83% 1.10% 1.44%
url/url-resolve.js n=100000 path='withscheme' href='dot' *** -1.86 % 0.49% 0.65% 0.85%
url/url-resolve.js n=100000 path='withscheme' href='file' *** -1.61 % 0.67% 0.90% 1.17%
url/url-resolve.js n=100000 path='withscheme' href='idn' *** -3.43 % 0.52% 0.70% 0.91%
url/url-resolve.js n=100000 path='withscheme' href='javascript' 0.10 % 0.65% 0.87% 1.13%
url/url-resolve.js n=100000 path='withscheme' href='long' -0.54 % 0.64% 0.85% 1.11%
url/url-resolve.js n=100000 path='withscheme' href='noscheme' *** -2.01 % 0.79% 1.06% 1.38%
url/url-resolve.js n=100000 path='withscheme' href='percent' -0.60 % 0.68% 0.91% 1.19%
url/url-resolve.js n=100000 path='withscheme' href='short' -0.62 % 0.93% 1.25% 1.63%
url/url-resolve.js n=100000 path='withscheme' href='ws' ** -1.43 % 0.83% 1.12% 1.47%
url/whatwg-url-parse.js e=1 type='auth' withBase='false' *** 211.81 % 5.60% 7.54% 10.00%
url/whatwg-url-parse.js e=1 type='auth' withBase='true' *** 190.33 % 3.77% 5.07% 6.72%
url/whatwg-url-parse.js e=1 type='dot' withBase='false' *** 73.08 % 2.28% 3.07% 4.05%
url/whatwg-url-parse.js e=1 type='dot' withBase='true' *** 66.32 % 2.46% 3.30% 4.34%
url/whatwg-url-parse.js e=1 type='file' withBase='false' *** 83.29 % 2.75% 3.69% 4.88%
url/whatwg-url-parse.js e=1 type='file' withBase='true' *** 69.38 % 2.50% 3.35% 4.42%
url/whatwg-url-parse.js e=1 type='idn' withBase='false' *** 60.09 % 1.38% 1.85% 2.43%
url/whatwg-url-parse.js e=1 type='idn' withBase='true' *** 56.91 % 1.36% 1.82% 2.40%
url/whatwg-url-parse.js e=1 type='javascript' withBase='false' *** 67.76 % 2.43% 3.26% 4.31%
url/whatwg-url-parse.js e=1 type='javascript' withBase='true' *** 60.96 % 2.77% 3.72% 4.92%
url/whatwg-url-parse.js e=1 type='long' withBase='false' *** 187.46 % 4.70% 6.33% 8.39%
url/whatwg-url-parse.js e=1 type='long' withBase='true' *** 164.84 % 5.51% 7.41% 9.83%
url/whatwg-url-parse.js e=1 type='percent' withBase='false' *** 84.65 % 2.77% 3.72% 4.92%
url/whatwg-url-parse.js e=1 type='percent' withBase='true' *** 80.06 % 2.60% 3.49% 4.60%
url/whatwg-url-parse.js e=1 type='short' withBase='false' *** 75.56 % 3.29% 4.42% 5.85%
url/whatwg-url-parse.js e=1 type='short' withBase='true' *** 63.45 % 3.45% 4.64% 6.15%
url/whatwg-url-parse.js e=1 type='wpt' withBase='false' *** 173.46 % 3.89% 5.23% 6.93%
url/whatwg-url-parse.js e=1 type='wpt' withBase='true' *** 99.49 % 7.79% 10.49% 13.92%
url/whatwg-url-parse.js e=1 type='ws' withBase='false' *** 95.77 % 3.05% 4.10% 5.42%
url/whatwg-url-parse.js e=1 type='ws' withBase='true' *** 85.66 % 2.66% 3.57% 4.71%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-url-16-20.csv
confidence improvement accuracy (*) (**) (***)
url/legacy-url-parse.js e=1 type='auth' *** -16.25 % 1.59% 2.13% 2.82%
url/legacy-url-parse.js e=1 type='dot' * 3.99 % 3.65% 4.86% 6.34%
url/legacy-url-parse.js e=1 type='file' *** 45.59 % 4.10% 5.49% 7.24%
url/legacy-url-parse.js e=1 type='idn' *** 10.69 % 1.84% 2.45% 3.19%
url/legacy-url-parse.js e=1 type='javascript' *** 51.89 % 2.82% 3.77% 4.95%
url/legacy-url-parse.js e=1 type='long' ** 6.59 % 4.58% 6.12% 8.01%
url/legacy-url-parse.js e=1 type='percent' *** 28.80 % 2.27% 3.06% 4.05%
url/legacy-url-parse.js e=1 type='short' *** 13.32 % 2.61% 3.48% 4.53%
url/legacy-url-parse.js e=1 type='wpt' *** 66.28 % 2.56% 3.41% 4.43%
url/legacy-url-parse.js e=1 type='ws' 1.75 % 4.01% 5.34% 6.96%
url/url-parse.js n=10000000 type='escaped' *** -6.85 % 1.31% 1.75% 2.28%
url/url-parse.js n=10000000 type='normal' *** -16.84 % 1.79% 2.39% 3.14%
url/url-resolve.js n=100000 path='down' href='auth' -0.38 % 1.11% 1.48% 1.93%
url/url-resolve.js n=100000 path='down' href='dot' * -1.03 % 0.87% 1.16% 1.51%
url/url-resolve.js n=100000 path='down' href='file' *** 13.27 % 0.65% 0.86% 1.13%
url/url-resolve.js n=100000 path='down' href='idn' *** -6.83 % 0.92% 1.23% 1.60%
url/url-resolve.js n=100000 path='down' href='javascript' *** 3.79 % 0.97% 1.29% 1.69%
url/url-resolve.js n=100000 path='down' href='long' *** -2.16 % 0.38% 0.51% 0.66%
url/url-resolve.js n=100000 path='down' href='noscheme' *** 1.98 % 0.57% 0.77% 1.00%
url/url-resolve.js n=100000 path='down' href='percent' *** 10.94 % 0.56% 0.74% 0.97%
url/url-resolve.js n=100000 path='down' href='short' *** -2.14 % 0.90% 1.19% 1.56%
url/url-resolve.js n=100000 path='down' href='ws' *** -2.01 % 0.50% 0.67% 0.87%
url/url-resolve.js n=100000 path='foo/bar' href='auth' *** -1.65 % 0.71% 0.94% 1.23%
url/url-resolve.js n=100000 path='foo/bar' href='dot' *** -1.44 % 0.71% 0.94% 1.22%
url/url-resolve.js n=100000 path='foo/bar' href='file' *** 13.15 % 0.73% 0.98% 1.28%
url/url-resolve.js n=100000 path='foo/bar' href='idn' *** -7.36 % 0.67% 0.89% 1.16%
url/url-resolve.js n=100000 path='foo/bar' href='javascript' 0.12 % 0.77% 1.02% 1.33%
url/url-resolve.js n=100000 path='foo/bar' href='long' 0.13 % 0.55% 0.73% 0.96%
url/url-resolve.js n=100000 path='foo/bar' href='noscheme' *** 2.21 % 0.69% 0.92% 1.20%
url/url-resolve.js n=100000 path='foo/bar' href='percent' *** 11.09 % 0.76% 1.02% 1.33%
url/url-resolve.js n=100000 path='foo/bar' href='short' *** -3.68 % 0.93% 1.25% 1.65%
url/url-resolve.js n=100000 path='foo/bar' href='ws' *** -5.39 % 0.53% 0.70% 0.92%
url/url-resolve.js n=100000 path='sibling' href='auth' -0.42 % 0.63% 0.83% 1.09%
url/url-resolve.js n=100000 path='sibling' href='dot' -0.64 % 0.82% 1.10% 1.44%
url/url-resolve.js n=100000 path='sibling' href='file' *** 9.51 % 0.65% 0.87% 1.14%
url/url-resolve.js n=100000 path='sibling' href='idn' *** -6.70 % 0.77% 1.03% 1.34%
url/url-resolve.js n=100000 path='sibling' href='javascript' *** 3.81 % 0.66% 0.88% 1.15%
url/url-resolve.js n=100000 path='sibling' href='long' *** 1.62 % 0.47% 0.63% 0.82%
url/url-resolve.js n=100000 path='sibling' href='noscheme' *** 2.18 % 0.56% 0.74% 0.96%
url/url-resolve.js n=100000 path='sibling' href='percent' *** 10.93 % 0.55% 0.74% 0.97%
url/url-resolve.js n=100000 path='sibling' href='short' 0.29 % 0.84% 1.11% 1.45%
url/url-resolve.js n=100000 path='sibling' href='ws' ** -1.00 % 0.58% 0.77% 1.01%
url/url-resolve.js n=100000 path='up' href='auth' *** -2.15 % 0.62% 0.83% 1.08%
url/url-resolve.js n=100000 path='up' href='dot' 0.60 % 0.64% 0.86% 1.12%
url/url-resolve.js n=100000 path='up' href='file' *** 10.31 % 0.83% 1.11% 1.47%
url/url-resolve.js n=100000 path='up' href='idn' *** -7.80 % 0.42% 0.56% 0.73%
url/url-resolve.js n=100000 path='up' href='javascript' 0.36 % 0.78% 1.04% 1.37%
url/url-resolve.js n=100000 path='up' href='long' ** -0.82 % 0.53% 0.70% 0.91%
url/url-resolve.js n=100000 path='up' href='noscheme' * 0.85 % 0.80% 1.06% 1.38%
url/url-resolve.js n=100000 path='up' href='percent' *** 10.85 % 0.80% 1.07% 1.39%
url/url-resolve.js n=100000 path='up' href='short' ** -0.94 % 0.70% 0.93% 1.21%
url/url-resolve.js n=100000 path='up' href='ws' *** -2.03 % 0.63% 0.83% 1.09%
url/url-resolve.js n=100000 path='withscheme' href='auth' *** -6.73 % 0.75% 1.00% 1.32%
url/url-resolve.js n=100000 path='withscheme' href='dot' *** -7.92 % 0.78% 1.05% 1.37%
url/url-resolve.js n=100000 path='withscheme' href='file' *** 3.19 % 0.71% 0.95% 1.24%
url/url-resolve.js n=100000 path='withscheme' href='idn' *** -7.95 % 0.54% 0.72% 0.94%
url/url-resolve.js n=100000 path='withscheme' href='javascript' *** -5.42 % 1.04% 1.39% 1.81%
url/url-resolve.js n=100000 path='withscheme' href='long' *** -3.66 % 0.61% 0.82% 1.07%
url/url-resolve.js n=100000 path='withscheme' href='noscheme' *** -7.68 % 0.74% 0.99% 1.30%
url/url-resolve.js n=100000 path='withscheme' href='percent' *** 5.37 % 0.87% 1.15% 1.50%
url/url-resolve.js n=100000 path='withscheme' href='short' *** -7.53 % 0.87% 1.16% 1.52%
url/url-resolve.js n=100000 path='withscheme' href='ws' *** -8.38 % 0.82% 1.10% 1.44%
url/whatwg-url-parse.js e=1 type='auth' withBase='false' *** 224.44 % 5.82% 7.84% 10.40%
url/whatwg-url-parse.js e=1 type='auth' withBase='true' *** 435.73 % 6.86% 9.25% 12.28%
url/whatwg-url-parse.js e=1 type='dot' withBase='false' *** 176.29 % 3.55% 4.78% 6.34%
url/whatwg-url-parse.js e=1 type='dot' withBase='true' *** 392.20 % 6.95% 9.37% 12.43%
url/whatwg-url-parse.js e=1 type='file' withBase='false' *** 114.63 % 3.19% 4.28% 5.66%
url/whatwg-url-parse.js e=1 type='file' withBase='true' *** 340.17 % 6.19% 8.35% 11.08%
url/whatwg-url-parse.js e=1 type='idn' withBase='false' *** 106.46 % 1.70% 2.28% 3.02%
url/whatwg-url-parse.js e=1 type='idn' withBase='true' *** 269.01 % 3.03% 4.07% 5.39%
url/whatwg-url-parse.js e=1 type='javascript' withBase='false' *** 95.46 % 2.84% 3.81% 5.03%
url/whatwg-url-parse.js e=1 type='javascript' withBase='true' *** 335.50 % 7.27% 9.80% 13.01%
url/whatwg-url-parse.js e=1 type='long' withBase='false' *** 389.14 % 7.95% 10.71% 14.22%
url/whatwg-url-parse.js e=1 type='long' withBase='true' *** 470.69 % 11.80% 15.91% 21.12%
url/whatwg-url-parse.js e=1 type='percent' withBase='false' *** 144.13 % 3.64% 4.89% 6.48%
url/whatwg-url-parse.js e=1 type='percent' withBase='true' *** 351.80 % 6.33% 8.53% 11.32%
url/whatwg-url-parse.js e=1 type='short' withBase='false' *** 180.01 % 5.17% 6.95% 9.21%
url/whatwg-url-parse.js e=1 type='short' withBase='true' *** 398.35 % 10.45% 14.09% 18.70%
url/whatwg-url-parse.js e=1 type='wpt' withBase='false' *** 235.28 % 4.72% 6.36% 8.43%
url/whatwg-url-parse.js e=1 type='wpt' withBase='true' *** 328.92 % 16.72% 22.53% 29.91%
url/whatwg-url-parse.js e=1 type='ws' withBase='false' *** 166.36 % 4.11% 5.53% 7.32%
url/whatwg-url-parse.js e=1 type='ws' withBase='true' *** 384.47 % 6.67% 8.99% 11.92%
buffers
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-buffers-16
-18.csv
confidence improvement accuracy (*) (**) (***)
buffers/buffer-base64-decode.js size=8388608 n=32 *** 0.30 % 0.17% 0.23% 0.30%
buffers/buffer-base64-encode.js n=32 len=67108864 ** -0.33 % 0.19% 0.25% 0.33%
buffers/buffer-compare.js n=1000000 size=16 *** -2.76 % 0.94% 1.26% 1.64%
buffers/buffer-compare.js n=1000000 size=16386 *** 64.55 % 8.79% 11.85% 15.72%
buffers/buffer-compare.js n=1000000 size=4096 *** 123.94 % 3.53% 4.73% 6.23%
buffers/buffer-compare.js n=1000000 size=512 *** 187.61 % 1.92% 2.59% 3.42%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=16 *** -75.09 % 0.21% 0.28% 0.37%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=4 *** -66.81 % 0.39% 0.52% 0.69%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=16 *** -73.79 % 0.19% 0.25% 0.33%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=4 *** -66.91 % 0.31% 0.41% 0.54%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=16 *** -26.79 % 1.10% 1.47% 1.93%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=4 *** -38.99 % 0.92% 1.23% 1.61%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=16 *** -66.06 % 0.21% 0.28% 0.37%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=4 *** -57.72 % 0.33% 0.44% 0.57%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=16 *** -64.88 % 0.20% 0.26% 0.34%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=4 *** -56.53 % 0.31% 0.41% 0.53%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=16 *** -15.52 % 1.27% 1.69% 2.19%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=4 *** -27.89 % 0.79% 1.05% 1.37%
buffers/buffer-from.js n=800000 len=100 source='array' 0.03 % 0.37% 0.49% 0.63%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer-middle' *** 2.24 % 0.64% 0.86% 1.13%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer' *** 3.49 % 0.36% 0.49% 0.63%
buffers/buffer-from.js n=800000 len=100 source='buffer' *** -3.32 % 0.48% 0.63% 0.83%
buffers/buffer-from.js n=800000 len=100 source='object' *** 6.16 % 0.49% 0.65% 0.85%
buffers/buffer-from.js n=800000 len=100 source='string-base64' *** 28.98 % 0.70% 0.93% 1.22%
buffers/buffer-from.js n=800000 len=100 source='string-utf8' *** 23.81 % 0.52% 0.69% 0.90%
buffers/buffer-from.js n=800000 len=100 source='string' *** 24.53 % 0.61% 0.82% 1.07%
buffers/buffer-from.js n=800000 len=100 source='uint16array' *** -14.00 % 0.38% 0.51% 0.66%
buffers/buffer-from.js n=800000 len=100 source='uint8array' *** -3.40 % 0.49% 0.66% 0.86%
buffers/buffer-from.js n=800000 len=2048 source='array' *** 3.89 % 0.20% 0.27% 0.35%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer-middle' *** 1.56 % 0.49% 0.65% 0.84%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer' *** 2.72 % 0.41% 0.54% 0.71%
buffers/buffer-from.js n=800000 len=2048 source='buffer' 0.55 % 0.98% 1.30% 1.69%
buffers/buffer-from.js n=800000 len=2048 source='object' *** 5.74 % 0.58% 0.78% 1.02%
buffers/buffer-from.js n=800000 len=2048 source='string-base64' *** 8.15 % 0.32% 0.43% 0.57%
buffers/buffer-from.js n=800000 len=2048 source='string-utf8' *** 21.65 % 0.56% 0.74% 0.96%
buffers/buffer-from.js n=800000 len=2048 source='string' *** 21.79 % 0.57% 0.76% 0.99%
buffers/buffer-from.js n=800000 len=2048 source='uint16array' -0.72 % 1.05% 1.40% 1.83%
buffers/buffer-from.js n=800000 len=2048 source='uint8array' * 1.51 % 1.15% 1.53% 2.00%
buffers/buffer-tojson.js len=0 n=10000 *** 11.36 % 2.56% 3.40% 4.43%
buffers/buffer-tojson.js len=256 n=10000 *** -81.12 % 1.25% 1.69% 2.24%
buffers/buffer-tojson.js len=4096 n=10000 *** -88.39 % 0.69% 0.93% 1.23%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-buffers-18-20.csv
confidence improvement accuracy (*) (**) (***)
buffers/buffer-base64-decode.js size=8388608 n=32 *** 1.66 % 0.10% 0.14% 0.18%
buffers/buffer-base64-encode.js n=32 len=67108864 *** -0.44 % 0.17% 0.23% 0.30%
buffers/buffer-compare.js n=1000000 size=16 *** -3.14 % 0.82% 1.09% 1.41%
buffers/buffer-compare.js n=1000000 size=16386 *** -15.56 % 5.97% 7.95% 10.35%
buffers/buffer-compare.js n=1000000 size=4096 -2.63 % 3.09% 4.11% 5.35%
buffers/buffer-compare.js n=1000000 size=512 *** -6.15 % 1.28% 1.71% 2.24%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=16 *** 300.67 % 0.71% 0.95% 1.24%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=4 *** 212.56 % 4.81% 6.47% 8.58%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=16 *** 287.63 % 2.47% 3.32% 4.40%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=4 *** 216.54 % 1.24% 1.66% 2.17%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=16 *** 38.44 % 1.04% 1.38% 1.80%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=4 *** 91.52 % 3.26% 4.38% 5.80%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=16 *** 192.63 % 0.56% 0.74% 0.97%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=4 *** 157.80 % 1.52% 2.02% 2.64%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=16 *** 188.71 % 2.33% 3.12% 4.10%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=4 *** 151.18 % 1.13% 1.50% 1.96%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=16 *** 20.83 % 1.29% 1.72% 2.25%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=4 *** 59.13 % 3.18% 4.28% 5.65%
buffers/buffer-from.js n=800000 len=100 source='array' *** 3.91 % 0.50% 0.66% 0.87%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer-middle' *** 11.94 % 0.65% 0.86% 1.13%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer' *** 12.49 % 0.77% 1.03% 1.36%
buffers/buffer-from.js n=800000 len=100 source='buffer' *** 7.46 % 1.21% 1.62% 2.12%
buffers/buffer-from.js n=800000 len=100 source='object' *** 12.70 % 0.84% 1.12% 1.47%
buffers/buffer-from.js n=800000 len=100 source='string-base64' *** 2.91 % 1.40% 1.88% 2.46%
buffers/buffer-from.js n=800000 len=100 source='string-utf8' *** 12.97 % 0.77% 1.02% 1.33%
buffers/buffer-from.js n=800000 len=100 source='string' *** 16.61 % 0.71% 0.95% 1.25%
buffers/buffer-from.js n=800000 len=100 source='uint16array' *** 5.64 % 0.84% 1.13% 1.48%
buffers/buffer-from.js n=800000 len=100 source='uint8array' *** 6.75 % 0.95% 1.28% 1.68%
buffers/buffer-from.js n=800000 len=2048 source='array' 0.03 % 0.33% 0.43% 0.56%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer-middle' *** 11.73 % 0.55% 0.74% 0.96%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer' *** 12.85 % 0.55% 0.73% 0.96%
buffers/buffer-from.js n=800000 len=2048 source='buffer' *** 7.66 % 1.28% 1.70% 2.21%
buffers/buffer-from.js n=800000 len=2048 source='object' *** 11.96 % 0.90% 1.20% 1.57%
buffers/buffer-from.js n=800000 len=2048 source='string-base64' *** 4.10 % 0.46% 0.61% 0.79%
buffers/buffer-from.js n=800000 len=2048 source='string-utf8' *** -1.30 % 0.71% 0.96% 1.27%
buffers/buffer-from.js n=800000 len=2048 source='string' *** -2.23 % 0.93% 1.25% 1.64%
buffers/buffer-from.js n=800000 len=2048 source='uint16array' *** 6.89 % 1.44% 1.91% 2.49%
buffers/buffer-from.js n=800000 len=2048 source='uint8array' *** 7.74 % 1.36% 1.81% 2.37%
buffers/buffer-tojson.js len=0 n=10000 *** -11.63 % 2.34% 3.11% 4.06%
buffers/buffer-tojson.js len=256 n=10000 *** 482.81 % 7.02% 9.42% 12.42%
buffers/buffer-tojson.js len=4096 n=10000 *** 763.34 % 5.22% 7.04% 9.34%
rafaelgss@MacBook-Pro-de-Rafael nodejs-internal-benchmark % node-benchmark-compare compare-buffers-16-20.csv
confidence improvement accuracy (*) (**) (***)
buffers/buffer-base64-decode.js size=8388608 n=32 *** 2.34 % 0.16% 0.21% 0.28%
buffers/buffer-base64-encode.js n=32 len=67108864 *** -0.40 % 0.19% 0.25% 0.33%
buffers/buffer-compare.js n=1000000 size=16 *** -5.65 % 0.95% 1.26% 1.64%
buffers/buffer-compare.js n=1000000 size=16386 *** 46.34 % 6.78% 9.13% 12.12%
buffers/buffer-compare.js n=1000000 size=4096 *** 111.99 % 4.63% 6.22% 8.22%
buffers/buffer-compare.js n=1000000 size=512 *** 171.05 % 3.44% 4.63% 6.13%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=16 -0.07 % 0.24% 0.32% 0.42%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=1 pieces=4 *** 3.44 % 1.61% 2.17% 2.87%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=16 *** 1.86 % 0.66% 0.89% 1.18%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=16 pieces=4 *** 4.84 % 0.44% 0.59% 0.77%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=16 ** 1.52 % 1.10% 1.47% 1.93%
buffers/buffer-concat.js n=800000 withTotalLength=0 pieceSize=256 pieces=4 *** 16.13 % 2.09% 2.79% 3.67%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=16 *** -0.50 % 0.19% 0.25% 0.33%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=1 pieces=4 *** 8.80 % 0.58% 0.78% 1.03%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=16 0.70 % 0.77% 1.04% 1.37%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=16 pieces=4 *** 9.41 % 0.44% 0.59% 0.78%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=16 ** 1.80 % 1.10% 1.47% 1.92%
buffers/buffer-concat.js n=800000 withTotalLength=1 pieceSize=256 pieces=4 *** 14.88 % 2.31% 3.10% 4.10%
buffers/buffer-from.js n=800000 len=100 source='array' *** 4.28 % 0.53% 0.71% 0.93%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer-middle' *** 14.35 % 0.81% 1.07% 1.40%
buffers/buffer-from.js n=800000 len=100 source='arraybuffer' *** 16.63 % 0.81% 1.09% 1.43%
buffers/buffer-from.js n=800000 len=100 source='buffer' *** 3.94 % 1.10% 1.48% 1.96%
buffers/buffer-from.js n=800000 len=100 source='object' *** 19.32 % 0.87% 1.16% 1.53%
buffers/buffer-from.js n=800000 len=100 source='string-base64' *** 33.59 % 1.72% 2.31% 3.06%
buffers/buffer-from.js n=800000 len=100 source='string-utf8' *** 40.42 % 0.86% 1.16% 1.52%
buffers/buffer-from.js n=800000 len=100 source='string' *** 44.74 % 0.82% 1.09% 1.43%
buffers/buffer-from.js n=800000 len=100 source='uint16array' *** -9.04 % 0.72% 0.97% 1.28%
buffers/buffer-from.js n=800000 len=100 source='uint8array' *** 3.24 % 0.88% 1.18% 1.55%
buffers/buffer-from.js n=800000 len=2048 source='array' *** 3.78 % 0.29% 0.39% 0.51%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer-middle' *** 13.56 % 0.59% 0.78% 1.02%
buffers/buffer-from.js n=800000 len=2048 source='arraybuffer' *** 15.75 % 0.58% 0.77% 1.01%
buffers/buffer-from.js n=800000 len=2048 source='buffer' *** 8.11 % 1.20% 1.61% 2.09%
buffers/buffer-from.js n=800000 len=2048 source='object' *** 18.44 % 0.89% 1.20% 1.58%
buffers/buffer-from.js n=800000 len=2048 source='string-base64' *** 12.51 % 0.44% 0.59% 0.78%
buffers/buffer-from.js n=800000 len=2048 source='string-utf8' *** 20.03 % 0.93% 1.24% 1.63%
buffers/buffer-from.js n=800000 len=2048 source='string' *** 18.97 % 1.11% 1.49% 1.96%
buffers/buffer-from.js n=800000 len=2048 source='uint16array' *** 5.10 % 1.12% 1.50% 1.96%
buffers/buffer-from.js n=800000 len=2048 source='uint8array' *** 9.05 % 1.48% 1.97% 2.56%
buffers/buffer-tojson.js len=0 n=10000 -1.08 % 2.73% 3.63% 4.73%
buffers/buffer-tojson.js len=256 n=10000 *** 7.90 % 1.73% 2.30% 2.99%
buffers/buffer-tojson.js len=4096 n=10000 0.55 % 0.90% 1.19% 1.55%
Util
$ node-benchmark-compare compare-util-16-18.csv
confidence improvement accuracy (*) (**) (***)
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 21.94 % 0.93% 1.24% 1.62%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 24.15 % 1.72% 2.30% 3.01%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 116.94 % 2.64% 3.55% 4.69%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 23.01 % 1.19% 1.59% 2.06%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.71 % 1.04% 1.39% 1.81%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 118.79 % 2.29% 3.07% 4.05%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 24.23 % 1.15% 1.53% 2.00%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 22.02 % 1.69% 2.26% 2.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.42 % 2.92% 3.93% 5.18%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 23.14 % 1.13% 1.51% 1.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.85 % 1.83% 2.43% 3.17%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 109.17 % 2.74% 3.67% 4.85%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 112.60 % 2.52% 3.37% 4.43%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 112.35 % 2.40% 3.21% 4.21%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 364.44 % 2.51% 3.36% 4.43%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 109.63 % 2.43% 3.26% 4.31%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 111.77 % 2.73% 3.66% 4.83%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 367.74 % 1.87% 2.50% 3.27%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 114.03 % 1.36% 1.81% 2.35%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 110.06 % 3.61% 4.85% 6.40%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 349.57 % 5.62% 7.56% 10.02%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 109.92 % 2.75% 3.70% 4.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 107.68 % 4.01% 5.39% 7.14%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 349.32 % 7.70% 10.37% 13.76%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 9.96 % 0.50% 0.66% 0.87%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 9.75 % 0.56% 0.75% 0.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 121.96 % 0.66% 0.88% 1.16%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 10.62 % 1.11% 1.48% 1.95%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 10.17 % 0.52% 0.69% 0.90%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.34 % 0.82% 1.09% 1.44%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 9.80 % 0.53% 0.70% 0.92%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 9.63 % 0.57% 0.75% 0.99%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.10 % 0.58% 0.77% 1.01%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 10.64 % 0.35% 0.46% 0.60%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 10.54 % 1.10% 1.47% 1.93%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 106.76 % 0.58% 0.77% 1.02%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 15.02 % 5.63% 7.53% 9.89%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 15.67 % 1.01% 1.35% 1.76%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** -16.17 % 5.82% 7.79% 10.22%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 17.63 % 3.75% 5.03% 6.63%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 17.02 % 1.12% 1.49% 1.95%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** -16.10 % 6.17% 8.25% 10.81%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 124.81 % 3.59% 4.83% 6.39%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 15.77 % 0.97% 1.29% 1.68%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 218.56 % 2.86% 3.84% 5.09%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 127.58 % 3.54% 4.76% 6.31%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 16.02 % 0.95% 1.27% 1.66%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 219.50 % 3.48% 4.68% 6.20%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 67.30 % 2.84% 3.81% 5.01%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 67.42 % 5.01% 6.74% 8.92%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 262.92 % 5.68% 7.64% 10.12%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 68.75 % 2.56% 3.43% 4.50%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 67.36 % 2.53% 3.40% 4.49%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 263.79 % 5.55% 7.48% 9.90%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 70.25 % 1.30% 1.73% 2.25%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 70.44 % 1.80% 2.40% 3.14%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 250.29 % 7.17% 9.65% 12.80%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 68.86 % 2.47% 3.30% 4.32%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 69.64 % 1.23% 1.64% 2.15%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 253.54 % 6.19% 8.34% 11.05%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 37.90 % 1.09% 1.46% 1.90%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 29.37 % 0.62% 0.83% 1.09%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 422.50 % 2.33% 3.11% 4.05%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 39.07 % 1.19% 1.59% 2.09%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 30.13 % 0.81% 1.08% 1.41%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 425.79 % 2.30% 3.06% 3.98%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** -98.27 % 0.53% 0.71% 0.95%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 29.54 % 1.45% 1.95% 2.57%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** -96.22 % 0.53% 0.71% 0.94%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** -98.27 % 0.60% 0.81% 1.08%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 30.13 % 0.67% 0.90% 1.17%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** -96.25 % 0.48% 0.64% 0.86%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 24.52 % 0.76% 1.01% 1.31%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 24.02 % 0.92% 1.22% 1.59%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 119.50 % 2.66% 3.57% 4.72%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 23.44 % 1.38% 1.85% 2.44%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 23.76 % 0.89% 1.19% 1.55%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 114.02 % 2.79% 3.76% 4.97%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 23.98 % 1.18% 1.57% 2.04%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 23.93 % 1.23% 1.64% 2.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 109.65 % 2.56% 3.44% 4.56%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 24.57 % 0.90% 1.20% 1.56%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.67 % 0.86% 1.15% 1.51%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 107.38 % 2.75% 3.69% 4.87%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 109.68 % 3.12% 4.20% 5.55%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 109.51 % 3.37% 4.52% 5.98%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 363.95 % 5.47% 7.36% 9.76%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 112.62 % 3.47% 4.65% 6.12%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 112.55 % 2.82% 3.78% 4.97%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 365.27 % 2.13% 2.85% 3.75%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 110.85 % 2.66% 3.57% 4.72%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 113.19 % 2.04% 2.73% 3.58%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 354.43 % 6.06% 8.15% 10.80%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 111.09 % 2.31% 3.10% 4.09%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 112.40 % 1.98% 2.64% 3.47%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 345.27 % 8.45% 11.39% 15.11%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 10.09 % 0.63% 0.84% 1.10%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 10.28 % 0.42% 0.56% 0.74%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 121.63 % 0.61% 0.82% 1.08%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 10.58 % 0.48% 0.65% 0.84%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 10.20 % 0.52% 0.70% 0.91%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.72 % 0.70% 0.94% 1.24%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 10.37 % 0.47% 0.63% 0.83%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 10.37 % 0.46% 0.61% 0.80%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.59 % 0.61% 0.81% 1.07%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 10.31 % 0.39% 0.52% 0.68%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 10.71 % 0.49% 0.66% 0.86%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 107.37 % 0.64% 0.86% 1.13%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=1024 *** -4.39 % 1.37% 1.83% 2.40%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=256 *** -8.11 % 3.25% 4.37% 5.77%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=32 -2.47 % 2.83% 3.78% 4.94%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=8192 0.37 % 0.71% 0.95% 1.25%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=1024 *** -5.01 % 1.54% 2.06% 2.68%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=256 -1.91 % 2.82% 3.76% 4.93%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=32 *** -6.71 % 1.97% 2.63% 3.44%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=8192 *** 0.44 % 0.17% 0.23% 0.30%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=1024 *** -2.65 % 1.02% 1.35% 1.77%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=256 *** -6.18 % 1.56% 2.09% 2.73%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=32 *** -5.98 % 1.94% 2.58% 3.37%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=8192 *** -1.77 % 0.11% 0.14% 0.19%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=1024 *** 76.36 % 1.17% 1.57% 2.08%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=256 *** 93.67 % 1.14% 1.51% 1.97%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=32 *** 123.08 % 1.59% 2.12% 2.77%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=8192 *** 38.52 % 1.08% 1.44% 1.88%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=1024 *** 20.72 % 0.35% 0.47% 0.62%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=256 *** 59.81 % 0.54% 0.72% 0.93%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=32 *** 155.67 % 1.86% 2.50% 3.28%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=8192 *** 3.06 % 0.05% 0.07% 0.10%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=1024 *** 17.33 % 0.31% 0.41% 0.54%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=256 *** 55.13 % 0.51% 0.68% 0.88%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=32 *** 144.82 % 1.56% 2.08% 2.71%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=8192 *** 2.20 % 0.57% 0.77% 1.02%
$ node-benchmark-compare compare-util-18-20.csv
confidence improvement accuracy (*) (**) (***)
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 18.49 % 1.86% 2.50% 3.28%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 18.41 % 2.68% 3.57% 4.65%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' -0.29 % 1.70% 2.26% 2.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 16.20 % 2.45% 3.26% 4.25%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 18.54 % 1.79% 2.39% 3.14%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' 0.82 % 1.70% 2.26% 2.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 18.24 % 2.85% 3.80% 4.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 16.78 % 1.98% 2.65% 3.48%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' -0.65 % 1.88% 2.50% 3.26%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 19.25 % 2.41% 3.21% 4.18%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 17.82 % 1.76% 2.36% 3.10%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' 0.34 % 1.66% 2.21% 2.88%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 24.86 % 3.28% 4.40% 5.81%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 26.36 % 3.75% 5.02% 6.62%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' * 3.22 % 2.97% 3.95% 5.14%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 26.20 % 3.18% 4.26% 5.61%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 24.83 % 3.11% 4.17% 5.50%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' ** 2.97 % 2.09% 2.80% 3.67%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 26.29 % 3.12% 4.18% 5.49%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 25.48 % 3.38% 4.52% 5.92%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' 0.97 % 1.46% 1.96% 2.57%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 26.99 % 2.81% 3.76% 4.95%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.26 % 4.44% 5.95% 7.85%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' 0.95 % 3.17% 4.22% 5.50%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 21.03 % 2.76% 3.72% 4.93%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 21.45 % 2.93% 3.94% 5.22%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' 0.60 % 0.63% 0.84% 1.10%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 25.00 % 1.93% 2.59% 3.40%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.58 % 2.09% 2.81% 3.72%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' ** 0.82 % 0.57% 0.76% 1.00%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 23.72 % 3.04% 4.05% 5.28%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 21.81 % 2.21% 2.98% 3.94%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' ** 0.73 % 0.50% 0.66% 0.86%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 23.56 % 2.13% 2.87% 3.79%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 22.50 % 2.17% 2.91% 3.86%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' ** 0.64 % 0.40% 0.53% 0.69%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 17.66 % 5.19% 6.92% 9.03%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 17.15 % 2.94% 3.95% 5.22%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 12.63 % 4.17% 5.55% 7.23%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 20.58 % 5.79% 7.72% 10.06%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 18.03 % 1.85% 2.47% 3.25%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 15.96 % 4.75% 6.32% 8.25%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** -7.67 % 2.12% 2.83% 3.69%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 19.06 % 1.80% 2.42% 3.18%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' 0.83 % 1.16% 1.55% 2.02%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** -8.59 % 2.21% 2.94% 3.83%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 16.45 % 2.27% 3.05% 4.01%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' * 1.36 % 1.25% 1.66% 2.18%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 26.56 % 3.90% 5.20% 6.77%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 24.07 % 3.49% 4.71% 6.24%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 3.40 % 0.79% 1.05% 1.37%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 23.54 % 4.04% 5.42% 7.15%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 25.02 % 3.13% 4.20% 5.55%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 3.06 % 0.68% 0.91% 1.18%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 27.16 % 3.75% 4.99% 6.50%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 26.53 % 2.36% 3.16% 4.14%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' 1.04 % 1.54% 2.07% 2.73%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 21.96 % 4.14% 5.58% 7.41%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 27.51 % 2.69% 3.60% 4.71%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' -1.14 % 2.42% 3.25% 4.29%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 25.60 % 3.06% 4.08% 5.31%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 22.36 % 3.13% 4.19% 5.51%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 1.11 % 0.61% 0.81% 1.05%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 21.45 % 2.54% 3.39% 4.44%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.81 % 2.30% 3.09% 4.09%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' -0.00 % 1.60% 2.15% 2.84%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 22.48 % 2.84% 3.77% 4.91%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 21.93 % 2.42% 3.25% 4.30%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 0.65 % 0.35% 0.47% 0.61%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 20.98 % 2.14% 2.87% 3.80%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 23.34 % 2.01% 2.70% 3.57%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' 1.38 % 1.88% 2.53% 3.35%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 19.52 % 1.86% 2.48% 3.26%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 19.07 % 2.06% 2.77% 3.65%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' 0.39 % 1.58% 2.11% 2.74%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 21.28 % 3.13% 4.17% 5.43%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 17.85 % 2.05% 2.75% 3.62%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' 0.67 % 1.22% 1.63% 2.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 20.48 % 2.85% 3.80% 4.95%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 17.88 % 2.07% 2.77% 3.65%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' -0.30 % 1.35% 1.80% 2.35%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 18.70 % 1.78% 2.38% 3.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 18.87 % 1.71% 2.28% 3.00%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' 0.87 % 1.39% 1.84% 2.40%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 28.25 % 3.40% 4.54% 5.96%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 23.59 % 4.09% 5.49% 7.26%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 3.72 % 1.71% 2.29% 3.02%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 28.46 % 3.75% 4.99% 6.49%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 28.83 % 1.77% 2.35% 3.06%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' * 2.86 % 2.83% 3.77% 4.91%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 28.72 % 3.53% 4.70% 6.13%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 27.26 % 2.11% 2.82% 3.70%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' 0.42 % 1.46% 1.96% 2.59%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 27.16 % 2.58% 3.45% 4.52%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 27.08 % 4.63% 6.18% 8.08%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' 2.06 % 2.94% 3.96% 5.25%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 24.75 % 2.61% 3.48% 4.54%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 21.61 % 1.80% 2.42% 3.21%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' ** 0.73 % 0.54% 0.71% 0.93%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 20.77 % 3.21% 4.30% 5.65%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 22.88 % 2.61% 3.49% 4.58%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' * 0.48 % 0.46% 0.61% 0.80%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 24.28 % 3.33% 4.45% 5.84%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 20.46 % 3.23% 4.32% 5.67%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 0.85 % 0.45% 0.60% 0.78%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 23.95 % 2.19% 2.93% 3.83%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 21.85 % 1.88% 2.53% 3.34%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' -0.16 % 1.99% 2.68% 3.55%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=1024 * 1.23 % 1.11% 1.48% 1.93%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=256 1.39 % 1.48% 1.97% 2.56%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=32 1.35 % 2.10% 2.79% 3.64%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=8192 *** -9.36 % 0.43% 0.57% 0.74%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=1024 *** 3.53 % 1.80% 2.40% 3.14%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=256 *** 5.57 % 2.47% 3.30% 4.34%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=32 ** 3.51 % 2.13% 2.83% 3.69%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=8192 *** 3.63 % 0.33% 0.45% 0.59%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=1024 *** 2.15 % 0.79% 1.05% 1.38%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=256 ** 2.46 % 1.56% 2.08% 2.74%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=32 *** 3.51 % 1.65% 2.20% 2.86%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=8192 ** 0.10 % 0.07% 0.10% 0.13%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=1024 *** 3.80 % 0.44% 0.59% 0.77%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=256 *** 7.83 % 0.75% 0.99% 1.29%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=32 *** 6.71 % 0.91% 1.21% 1.58%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=8192 * -1.30 % 1.04% 1.39% 1.83%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=1024 *** 1.14 % 0.13% 0.18% 0.23%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=256 *** 2.78 % 0.33% 0.44% 0.57%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=32 *** 1.46 % 0.84% 1.12% 1.46%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=8192 *** 0.97 % 0.20% 0.27% 0.36%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=1024 * 1.06 % 0.85% 1.14% 1.51%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=256 *** -1.15 % 0.40% 0.53% 0.69%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=32 0.85 % 0.92% 1.23% 1.61%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=8192 *** -11.61 % 1.73% 2.32% 3.07%
$ node-benchmark-compare compare-util-16-20.csv
confidence improvement accuracy (*) (**) (***)
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 45.13 % 2.20% 2.96% 3.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 45.04 % 2.50% 3.33% 4.33%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 119.01 % 2.85% 3.83% 5.07%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 42.13 % 2.59% 3.48% 4.58%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 45.71 % 2.11% 2.83% 3.72%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 119.36 % 2.61% 3.50% 4.63%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 45.38 % 2.39% 3.20% 4.20%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 43.58 % 2.37% 3.17% 4.18%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 108.40 % 2.66% 3.57% 4.70%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 45.91 % 2.02% 2.71% 3.57%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 45.82 % 2.35% 3.13% 4.09%
util/text-decoder.js type='ArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 108.47 % 2.22% 2.97% 3.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 167.01 % 6.84% 9.21% 12.20%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 167.48 % 7.62% 10.26% 13.60%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 371.29 % 9.43% 12.70% 16.86%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 165.99 % 6.40% 8.62% 11.44%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 165.24 % 6.31% 8.50% 11.28%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 377.91 % 8.90% 11.99% 15.91%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 167.53 % 6.21% 8.36% 11.08%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 166.03 % 6.57% 8.85% 11.72%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 353.31 % 2.79% 3.75% 4.95%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 167.09 % 5.57% 7.51% 9.97%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 161.91 % 9.09% 12.25% 16.25%
util/text-decoder.js type='ArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 347.65 % 10.13% 13.66% 18.12%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 33.38 % 3.04% 4.09% 5.42%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 33.61 % 3.21% 4.32% 5.73%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 122.96 % 1.24% 1.67% 2.21%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 37.31 % 2.19% 2.92% 3.83%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 34.32 % 2.26% 3.04% 4.03%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.84 % 1.00% 1.35% 1.78%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 34.75 % 2.69% 3.62% 4.80%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 33.79 % 2.41% 3.25% 4.31%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 107.62 % 0.87% 1.16% 1.53%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 35.85 % 2.31% 3.11% 4.13%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 35.56 % 2.54% 3.40% 4.46%
util/text-decoder.js type='ArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 107.96 % 0.65% 0.87% 1.14%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 37.77 % 4.06% 5.41% 7.06%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 36.02 % 3.38% 4.55% 6.02%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' -5.42 % 5.77% 7.73% 10.15%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 38.76 % 4.24% 5.69% 7.51%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 37.65 % 2.18% 2.91% 3.83%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' -4.19 % 6.33% 8.45% 11.05%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 108.77 % 2.65% 3.56% 4.71%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 37.39 % 2.07% 2.78% 3.66%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 220.69 % 2.86% 3.85% 5.10%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 108.68 % 3.93% 5.29% 7.01%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 35.99 % 2.60% 3.49% 4.60%
util/text-decoder.js type='Buffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 222.86 % 1.86% 2.50% 3.30%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 112.76 % 5.43% 7.30% 9.67%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 111.63 % 5.99% 8.07% 10.69%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 278.61 % 2.11% 2.82% 3.69%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 109.41 % 6.63% 8.93% 11.83%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 111.44 % 5.16% 6.94% 9.20%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 279.78 % 2.00% 2.68% 3.51%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 111.81 % 4.87% 6.56% 8.68%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 115.59 % 3.93% 5.26% 6.92%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 257.25 % 1.91% 2.55% 3.34%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 108.29 % 7.12% 9.59% 12.71%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 113.26 % 4.09% 5.51% 7.29%
util/text-decoder.js type='Buffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 250.62 % 8.36% 11.26% 14.95%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 70.82 % 2.90% 3.89% 5.12%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 57.87 % 3.83% 5.16% 6.84%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 423.80 % 2.66% 3.54% 4.61%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 67.73 % 3.25% 4.36% 5.74%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 59.34 % 2.99% 4.02% 5.31%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 423.24 % 8.37% 11.26% 14.90%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** -97.90 % 0.53% 0.71% 0.95%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 58.52 % 3.10% 4.17% 5.53%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** -96.21 % 0.53% 0.71% 0.94%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** -97.91 % 0.60% 0.81% 1.08%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 60.53 % 2.57% 3.47% 4.59%
util/text-decoder.js type='Buffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** -96.24 % 0.48% 0.64% 0.86%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 47.73 % 2.15% 2.89% 3.81%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='latin1' *** 47.09 % 2.47% 3.33% 4.40%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=0 encoding='utf-8' *** 121.86 % 2.50% 3.36% 4.43%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 48.17 % 2.46% 3.31% 4.38%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='latin1' *** 45.38 % 2.45% 3.29% 4.35%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=0 ignoreBOM=1 encoding='utf-8' *** 118.21 % 1.54% 2.07% 2.72%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 45.92 % 2.32% 3.12% 4.11%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='latin1' *** 45.97 % 2.59% 3.47% 4.57%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=0 encoding='utf-8' *** 108.22 % 1.49% 1.99% 2.62%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 47.16 % 2.13% 2.86% 3.79%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='latin1' *** 46.26 % 1.96% 2.64% 3.49%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=16384 fatal=1 ignoreBOM=1 encoding='utf-8' *** 108.44 % 2.19% 2.93% 3.85%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 167.84 % 6.50% 8.75% 11.61%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='latin1' *** 161.92 % 8.46% 11.39% 15.11%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=0 encoding='utf-8' *** 378.66 % 2.66% 3.56% 4.70%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 170.96 % 5.39% 7.24% 9.57%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='latin1' *** 174.43 % 2.80% 3.75% 4.93%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=0 ignoreBOM=1 encoding='utf-8' *** 373.13 % 10.55% 14.22% 18.87%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 167.22 % 4.50% 6.06% 8.03%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='latin1' *** 171.41 % 4.12% 5.54% 7.33%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=0 encoding='utf-8' *** 356.30 % 2.22% 2.97% 3.89%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 168.74 % 4.96% 6.68% 8.85%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='latin1' *** 166.03 % 8.47% 11.41% 15.14%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=256 fatal=1 ignoreBOM=1 encoding='utf-8' *** 351.98 % 2.22% 2.99% 3.95%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='iso-8859-3' *** 36.20 % 2.37% 3.19% 4.23%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='latin1' *** 33.61 % 1.96% 2.64% 3.50%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=0 encoding='utf-8' *** 122.58 % 0.94% 1.27% 1.68%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='iso-8859-3' *** 32.57 % 3.33% 4.48% 5.95%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='latin1' *** 34.08 % 2.65% 3.57% 4.73%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=0 ignoreBOM=1 encoding='utf-8' *** 121.32 % 0.86% 1.15% 1.52%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='iso-8859-3' *** 35.67 % 3.34% 4.49% 5.96%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='latin1' *** 31.57 % 3.26% 4.40% 5.84%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=0 encoding='utf-8' *** 108.25 % 0.68% 0.91% 1.20%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='iso-8859-3' *** 35.84 % 2.14% 2.88% 3.82%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='latin1' *** 34.00 % 2.03% 2.74% 3.63%
util/text-decoder.js type='SharedArrayBuffer' n=100 len=524288 fatal=1 ignoreBOM=1 encoding='utf-8' *** 105.90 % 4.07% 5.49% 7.29%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=1024 *** -2.67 % 1.40% 1.86% 2.44%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=256 *** -6.24 % 3.33% 4.46% 5.88%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=32 -0.59 % 2.79% 3.73% 4.87%
util/text-encoder.js op='encode' type='ascii' n=1000000 len=8192 *** -9.13 % 0.71% 0.95% 1.24%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=1024 -1.87 % 1.94% 2.58% 3.36%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=256 ** 4.88 % 3.33% 4.43% 5.77%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=32 * -2.50 % 2.20% 2.93% 3.82%
util/text-encoder.js op='encode' type='one-byte-string' n=1000000 len=8192 *** 4.16 % 0.36% 0.49% 0.64%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=1024 -0.86 % 0.93% 1.24% 1.63%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=256 *** -4.73 % 1.92% 2.55% 3.32%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=32 ** -2.88 % 1.87% 2.50% 3.26%
util/text-encoder.js op='encode' type='two-byte-string' n=1000000 len=8192 *** -1.61 % 0.10% 0.14% 0.18%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=1024 *** 82.68 % 0.61% 0.81% 1.07%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=256 *** 108.02 % 1.22% 1.62% 2.11%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=32 *** 136.63 % 1.85% 2.47% 3.24%
util/text-encoder.js op='encodeInto' type='ascii' n=1000000 len=8192 *** 35.66 % 0.88% 1.17% 1.52%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=1024 *** 22.17 % 0.21% 0.28% 0.37%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=256 *** 64.09 % 0.51% 0.68% 0.88%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=32 *** 159.51 % 1.60% 2.14% 2.80%
util/text-encoder.js op='encodeInto' type='one-byte-string' n=1000000 len=8192 *** 4.01 % 0.21% 0.28% 0.37%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=1024 *** 17.91 % 0.27% 0.36% 0.47%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=256 *** 53.66 % 0.58% 0.77% 1.00%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=32 *** 146.87 % 2.06% 2.76% 3.62%
util/text-encoder.js op='encodeInto' type='two-byte-string' n=1000000 len=8192 *** -9.48 % 1.74% 2.34% 3.11%
Node.js Common Operations
- Node.js Common Operations
Repository: https://github.com/RafaelGSS/nodejs-bench-operations.git Commit: 63775b22dba8573194f85ef198635032be04b387
*Action executed in the dedicated host
HTTP Servers
- HTTP Servers
fastifyexpress
Express
# Replace ./node16 to all Node.js matrix (node16, node18, node20)
./node16 server/express.js
npx autocannon -c 500 -d 120 -W [ -c 50 -d 5 ] http://localhost:3000
Fastify
# Replace ./node16 to all Node.js matrix (node16, node18, node20)
./node16 server/fastify.js
npx autocannon -c 500 -d 120 -W [ -c 50 -d 5 ] http://localhost:3000