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addaleax
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mcollina
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jasnell
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Trott
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PR-URL: #30958 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
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PR-URL: #30958 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
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Comparison benchmarks of updates which weren't pushed in this PR - in files confidence improvement accuracy (*) (**) (***)
http/check_invalid_header_char.js n=1000000 input='' 0.29 % ±0.94% ±1.30% ±1.79%
http/check_invalid_header_char.js n=1000000 input='\177' 0.54 % ±1.13% ±1.55% ±2.14%
http/check_invalid_header_char.js n=1000000 input='\\t\\t\\t\\t\\t\\t\\t\\t\\t\\tFoo bar baz' 0.18 % ±0.34% ±0.47% ±0.64%
http/check_invalid_header_char.js n=1000000 input='1' -0.48 % ±0.56% ±0.77% ±1.05%
http/check_invalid_header_char.js n=1000000 input='20091' -0.05 % ±0.52% ±0.72% ±0.98%
http/check_invalid_header_char.js n=1000000 input='close' -0.06 % ±0.57% ±0.77% ±1.06%
http/check_invalid_header_char.js n=1000000 input='en-US' -0.09 % ±0.48% ±0.65% ±0.89%
http/check_invalid_header_char.js n=1000000 input='foo\\nbar' -0.54 % ±1.05% ±1.46% ±2.04%
http/check_invalid_header_char.js n=1000000 input='group_acmeair' -0.21 % ±0.73% ±1.02% ±1.41%
http/check_invalid_header_char.js n=1000000 input='gzip' -0.04 % ±0.63% ±0.86% ±1.19%
http/check_invalid_header_char.js n=1000000 input='keep-alive' -0.04 % ±0.64% ±0.89% ±1.24%
http/check_invalid_header_char.js n=1000000 input='LONG_AND_INVALID' 3.02 % ±7.04% ±10.11% ±14.87%
http/check_invalid_header_char.js n=1000000 input='private' -0.52 % ±3.86% ±5.32% ±7.29%
http/check_invalid_header_char.js n=1000000 input='SAMEORIGIN' -0.18 % ±0.49% ±0.68% ±0.93%
http/check_invalid_header_char.js n=1000000 input='Sat, 07 May 2016 16:54:48 GMT' 0.00 % ±0.32% ±0.44% ±0.61%
http/check_invalid_header_char.js n=1000000 input='text/html; charset=utf-8' 0.02 % ±0.33% ±0.45% ±0.62%
http/check_invalid_header_char.js n=1000000 input='text/plain' -0.24 % ±0.64% ±0.88% ±1.23%
http/check_invalid_header_char.js n=1000000 input='中文呢' -0.05 % ±1.13% ±1.56% ±2.14%
http/headers.js len=1 n=10 benchmarker='wrk' -3.83 % ±11.36% ±15.92% ±22.47%
http/headers.js len=1 n=1000 benchmarker='wrk' -9.19 % ±10.62% ±15.25% ±22.40%
http/headers.js len=100 n=10 benchmarker='wrk' -9.16 % ±12.37% ±17.64% ±25.66%
http/headers.js len=100 n=1000 benchmarker='wrk' -4.43 % ±11.55% ±16.05% ±22.38%
http/incoming_headers.js n=0 c=50 benchmarker='wrk' 3.21 % ±9.22% ±12.64% ±17.23%
http/incoming_headers.js n=0 c=500 benchmarker='wrk' -3.46 % ±8.65% ±11.87% ±16.19%
http/incoming_headers.js n=20 c=50 benchmarker='wrk' -4.85 % ±14.23% ±19.97% ±28.26%
http/incoming_headers.js n=20 c=500 benchmarker='wrk' -1.52 % ±9.57% ±13.30% ±18.54%
http/incoming_headers.js n=5 c=50 benchmarker='wrk' -1.24 % ±9.27% ±12.76% ±17.49%
http/incoming_headers.js n=5 c=500 benchmarker='wrk' 4.18 % ±9.91% ±13.88% ±19.62%
http/set_header.js n=1000000 value='Connection' 0.86 % ±1.88% ±2.59% ±3.56%
http/set_header.js n=1000000 value='Content-Length' -0.68 % ±1.53% ±2.14% ±3.02%
http/set_header.js n=1000000 value='Content-Type' 1.56 % ±1.74% ±2.42% ±3.37%
http/set_header.js n=1000000 value='Set-Cookie' -1.10 % ±1.84% ±2.52% ±3.44%
http/set_header.js n=1000000 value='Transfer-Encoding' 0.35 % ±4.27% ±5.88% ±8.06%
http/set_header.js n=1000000 value='Vary' -2.63 % ±4.73% ±6.78% ±9.94%
http/set_header.js n=1000000 value='X-Powered-By' -0.62 % ±1.29% ±1.78% ±2.44%
http/set-header.js res='normal' benchmarker='wrk' 1.24 % ±3.05% ±4.18% ±5.71%
http/set-header.js res='setHeader' benchmarker='wrk' -0.43 % ±2.66% ±3.64% ±4.96%
http/set-header.js res='setHeaderWH' benchmarker='wrk' 1.35 % ±2.69% ±3.70% ±5.07%
Be aware that when doing many comparisons the risk of a false-positive
result increases. In this case there are 38 comparisons, you can thus
expect the following amount of false-positive results:
1.90 false positives, when considering a 5% risk acceptance (*, **, ***),
0.38 false positives, when considering a 1% risk acceptance (**, ***),
0.04 false positives, when considering a 0.1% risk acceptance (***)Output file (rename extension to CSV before using): compare-http-headers.txt The command run: node benchmark/compare.js --old ../node-master --new ../node-http-for-of --set benchmarker=wrk --filter header --runs 10 http > compare-http-headers.csv |
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Comparison benchmarks of updates which weren't pushed in this PR - in files Code: https://github.com/trivikr/node/tree/http-for-of-benchmark confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=16 -0.31 % ±0.47% ±0.62% ±0.81%
http/bench-parser.js n=100000 len=32 -0.21 % ±0.35% ±0.47% ±0.61%
http/bench-parser.js n=100000 len=4 * -1.21 % ±0.93% ±1.25% ±1.64%
http/bench-parser.js n=100000 len=8 -0.46 % ±1.08% ±1.43% ±1.87%
http/check_invalid_header_char.js n=1000000 input='' -0.16 % ±0.28% ±0.37% ±0.48%
http/check_invalid_header_char.js n=1000000 input='\177' *** -1.45 % ±0.56% ±0.74% ±0.97%
http/check_invalid_header_char.js n=1000000 input='\\t\\t\\t\\t\\t\\t\\t\\t\\t\\tFoo bar baz' -0.01 % ±0.18% ±0.24% ±0.31%
http/check_invalid_header_char.js n=1000000 input='1' *** -0.89 % ±0.44% ±0.59% ±0.77%
http/check_invalid_header_char.js n=1000000 input='20091' -0.39 % ±0.45% ±0.60% ±0.78%
http/check_invalid_header_char.js n=1000000 input='close' -0.08 % ±0.28% ±0.37% ±0.48%
http/check_invalid_header_char.js n=1000000 input='en-US' -0.13 % ±0.28% ±0.37% ±0.48%
http/check_invalid_header_char.js n=1000000 input='foo\\nbar' *** -1.13 % ±0.52% ±0.69% ±0.89%
http/check_invalid_header_char.js n=1000000 input='group_acmeair' -0.04 % ±0.16% ±0.22% ±0.28%
http/check_invalid_header_char.js n=1000000 input='gzip' *** -0.52 % ±0.20% ±0.27% ±0.35%
http/check_invalid_header_char.js n=1000000 input='keep-alive' -0.10 % ±0.22% ±0.30% ±0.39%
http/check_invalid_header_char.js n=1000000 input='LONG_AND_INVALID' -0.00 % ±0.07% ±0.09% ±0.11%
http/check_invalid_header_char.js n=1000000 input='private' * 4.18 % ±3.49% ±4.66% ±6.10%
http/check_invalid_header_char.js n=1000000 input='SAMEORIGIN' 0.07 % ±0.21% ±0.28% ±0.37%
http/check_invalid_header_char.js n=1000000 input='Sat, 07 May 2016 16:54:48 GMT' -0.32 % ±2.66% ±3.54% ±4.60%
http/check_invalid_header_char.js n=1000000 input='text/html; charset=utf-8' 2.41 % ±2.86% ±3.80% ±4.95%
http/check_invalid_header_char.js n=1000000 input='text/plain' 0.17 % ±0.30% ±0.40% ±0.52%
http/check_invalid_header_char.js n=1000000 input='中文呢' -0.35 % ±0.50% ±0.66% ±0.86%
http/check_is_http_token.js n=1000000 key=':' -0.18 % ±0.43% ±0.57% ±0.74%
http/check_is_http_token.js n=1000000 key=':alternate-protocol' 0.26 % ±0.36% ±0.48% ±0.63%
http/check_is_http_token.js n=1000000 key='((((())))' -0.52 % ±0.54% ±0.71% ±0.93%
http/check_is_http_token.js n=1000000 key='@@' -0.27 % ±0.35% ±0.47% ±0.61%
http/check_is_http_token.js n=1000000 key='Accept-Ranges' -0.09 % ±0.23% ±0.30% ±0.39%
http/check_is_http_token.js n=1000000 key='alt-svc' -0.07 % ±0.24% ±0.32% ±0.42%
http/check_is_http_token.js n=1000000 key='alternate-protocol:' -0.07 % ±0.23% ±0.30% ±0.39%
http/check_is_http_token.js n=1000000 key='alternate-protocol' -0.02 % ±0.14% ±0.19% ±0.25%
http/check_is_http_token.js n=1000000 key='Cache-Control' 0.12 % ±0.24% ±0.31% ±0.41%
http/check_is_http_token.js n=1000000 key='Connection' -0.02 % ±0.27% ±0.36% ±0.47%
http/check_is_http_token.js n=1000000 key='Content-Encoding' 0.10 % ±0.18% ±0.24% ±0.31%
http/check_is_http_token.js n=1000000 key='content-length' -0.07 % ±0.18% ±0.24% ±0.32%
http/check_is_http_token.js n=1000000 key='Content-Location' 0.08 % ±0.18% ±0.24% ±0.31%
http/check_is_http_token.js n=1000000 key='content-type' -0.14 % ±0.23% ±0.31% ±0.40%
http/check_is_http_token.js n=1000000 key='Content-Type' -0.06 % ±0.26% ±0.35% ±0.45%
http/check_is_http_token.js n=1000000 key='date' -0.09 % ±0.35% ±0.46% ±0.60%
http/check_is_http_token.js n=1000000 key='ETag' -0.15 % ±0.25% ±0.34% ±0.44%
http/check_is_http_token.js n=1000000 key='Expires' 0.09 % ±0.26% ±0.35% ±0.45%
http/check_is_http_token.js n=1000000 key='Keep-Alive' 0.18 % ±0.26% ±0.34% ±0.45%
http/check_is_http_token.js n=1000000 key='Last-Modified' -0.17 % ±0.24% ±0.32% ±0.41%
http/check_is_http_token.js n=1000000 key='location' 0.14 % ±0.29% ±0.38% ±0.49%
http/check_is_http_token.js n=1000000 key='server' ** 0.31 % ±0.23% ±0.31% ±0.40%
http/check_is_http_token.js n=1000000 key='Server' -0.02 % ±0.25% ±0.33% ±0.43%
http/check_is_http_token.js n=1000000 key='status' -0.05 % ±0.30% ±0.40% ±0.52%
http/check_is_http_token.js n=1000000 key='TCN' -0.16 % ±0.31% ±0.42% ±0.54%
http/check_is_http_token.js n=1000000 key='Transfer-Encoding' 0.03 % ±0.13% ±0.17% ±0.23%
http/check_is_http_token.js n=1000000 key='Vary' 0.10 % ±0.28% ±0.38% ±0.49%
http/check_is_http_token.js n=1000000 key='version' 0.08 % ±0.21% ±0.29% ±0.37%
http/check_is_http_token.js n=1000000 key='x-frame-options' -0.04 % ±0.15% ±0.20% ±0.27%
http/check_is_http_token.js n=1000000 key='x-xss-protection' -0.01 % ±0.15% ±0.19% ±0.25%
http/check_is_http_token.js n=1000000 key='中文呢' -0.06 % ±0.41% ±0.55% ±0.72%
http/chunked.js c=100 len=1 n=1 benchmarker='autocannon' 0.00 % ±0.15% ±0.21% ±0.27%
http/chunked.js c=100 len=1 n=16 benchmarker='autocannon' 0.02 % ±0.16% ±0.21% ±0.28%
http/chunked.js c=100 len=1 n=4 benchmarker='autocannon' 0.01 % ±0.10% ±0.14% ±0.18%
http/chunked.js c=100 len=1 n=8 benchmarker='autocannon' 0.01 % ±0.08% ±0.11% ±0.15%
http/chunked.js c=100 len=256 n=1 benchmarker='autocannon' ** 0.13 % ±0.10% ±0.13% ±0.17%
http/chunked.js c=100 len=256 n=16 benchmarker='autocannon' 0.07 % ±0.09% ±0.13% ±0.16%
http/chunked.js c=100 len=256 n=4 benchmarker='autocannon' -0.06 % ±0.10% ±0.13% ±0.17%
http/chunked.js c=100 len=256 n=8 benchmarker='autocannon' -0.05 % ±0.12% ±0.16% ±0.20%
http/chunked.js c=100 len=64 n=1 benchmarker='autocannon' 0.03 % ±0.13% ±0.18% ±0.23%
http/chunked.js c=100 len=64 n=16 benchmarker='autocannon' 0.19 % ±0.19% ±0.26% ±0.34%
http/chunked.js c=100 len=64 n=4 benchmarker='autocannon' -0.05 % ±0.10% ±0.13% ±0.17%
http/chunked.js c=100 len=64 n=8 benchmarker='autocannon' -0.05 % ±0.11% ±0.14% ±0.19%
http/client-request-body.js method='end' len=1024 type='asc' dur=5 -0.34 % ±3.24% ±4.31% ±5.61%
http/client-request-body.js method='end' len=1024 type='buf' dur=5 2.47 % ±3.50% ±4.66% ±6.06%
http/client-request-body.js method='end' len=1024 type='utf' dur=5 -0.78 % ±2.64% ±3.51% ±4.57%
http/client-request-body.js method='end' len=256 type='asc' dur=5 -0.68 % ±3.14% ±4.18% ±5.44%
http/client-request-body.js method='end' len=256 type='buf' dur=5 2.17 % ±2.58% ±3.45% ±4.53%
http/client-request-body.js method='end' len=256 type='utf' dur=5 -0.63 % ±3.37% ±4.48% ±5.84%
http/client-request-body.js method='end' len=32 type='asc' dur=5 0.08 % ±3.06% ±4.08% ±5.31%
http/client-request-body.js method='end' len=32 type='buf' dur=5 -0.97 % ±2.59% ±3.45% ±4.49%
http/client-request-body.js method='end' len=32 type='utf' dur=5 -2.11 % ±3.19% ±4.25% ±5.53%
http/client-request-body.js method='write' len=1024 type='asc' dur=5 2.45 % ±3.08% ±4.11% ±5.36%
http/client-request-body.js method='write' len=1024 type='buf' dur=5 -0.92 % ±3.09% ±4.11% ±5.35%
http/client-request-body.js method='write' len=1024 type='utf' dur=5 -0.73 % ±3.40% ±4.53% ±5.89%
http/client-request-body.js method='write' len=256 type='asc' dur=5 1.81 % ±3.34% ±4.45% ±5.81%
http/client-request-body.js method='write' len=256 type='buf' dur=5 -1.83 % ±3.35% ±4.46% ±5.81%
http/client-request-body.js method='write' len=256 type='utf' dur=5 -1.48 % ±3.10% ±4.12% ±5.36%
http/client-request-body.js method='write' len=32 type='asc' dur=5 ** -4.37 % ±3.09% ±4.11% ±5.36%
http/client-request-body.js method='write' len=32 type='buf' dur=5 0.60 % ±3.54% ±4.72% ±6.14%
http/client-request-body.js method='write' len=32 type='utf' dur=5 -1.78 % ±3.77% ±5.01% ±6.52%
http/cluster.js c=50 len=1024 type='buffer' benchmarker='autocannon' * -3.01 % ±2.59% ±3.45% ±4.49%
http/cluster.js c=50 len=1024 type='bytes' benchmarker='autocannon' -1.34 % ±3.06% ±4.08% ±5.31%
http/cluster.js c=50 len=102400 type='buffer' benchmarker='autocannon' -0.48 % ±1.47% ±1.96% ±2.55%
http/cluster.js c=50 len=102400 type='bytes' benchmarker='autocannon' 0.54 % ±1.65% ±2.19% ±2.86%
http/cluster.js c=50 len=4 type='buffer' benchmarker='autocannon' 0.97 % ±2.70% ±3.59% ±4.67%
http/cluster.js c=50 len=4 type='bytes' benchmarker='autocannon' 0.01 % ±2.06% ±2.73% ±3.56%
http/cluster.js c=500 len=1024 type='buffer' benchmarker='autocannon' -0.15 % ±2.98% ±3.96% ±5.16%
http/cluster.js c=500 len=1024 type='bytes' benchmarker='autocannon' -0.10 % ±3.17% ±4.22% ±5.49%
http/cluster.js c=500 len=102400 type='buffer' benchmarker='autocannon' -0.04 % ±1.64% ±2.18% ±2.84%
http/cluster.js c=500 len=102400 type='bytes' benchmarker='autocannon' -0.16 % ±1.38% ±1.84% ±2.40%
http/cluster.js c=500 len=4 type='buffer' benchmarker='autocannon' 2.17 % ±2.91% ±3.88% ±5.05%
http/cluster.js c=500 len=4 type='bytes' benchmarker='autocannon' -0.96 % ±3.89% ±5.18% ±6.74%
http/create-clientrequest.js e=1 arg='options' url='idn' 0.45 % ±1.37% ±1.83% ±2.38%
http/create-clientrequest.js e=1 arg='options' url='long' 0.99 % ±1.54% ±2.05% ±2.67%
http/create-clientrequest.js e=1 arg='options' url='wpt' 0.44 % ±1.24% ±1.65% ±2.14%
http/create-clientrequest.js e=1 arg='string' url='idn' 1.80 % ±2.94% ±3.91% ±5.09%
http/create-clientrequest.js e=1 arg='string' url='long' 0.78 % ±1.88% ±2.50% ±3.25%
http/create-clientrequest.js e=1 arg='string' url='wpt' * 2.30 % ±1.96% ±2.61% ±3.40%
http/create-clientrequest.js e=1 arg='URL' url='idn' * 1.28 % ±1.24% ±1.65% ±2.15%
http/create-clientrequest.js e=1 arg='URL' url='long' 1.10 % ±1.50% ±2.00% ±2.60%
http/create-clientrequest.js e=1 arg='URL' url='wpt' 0.09 % ±1.30% ±1.73% ±2.25%
http/end-vs-write-end.js method='end' c=100 len=1048576 type='asc' benchmarker='autocannon' -0.20 % ±0.92% ±1.23% ±1.59%
http/end-vs-write-end.js method='end' c=100 len=1048576 type='buf' benchmarker='autocannon' -0.49 % ±0.84% ±1.12% ±1.46%
http/end-vs-write-end.js method='end' c=100 len=1048576 type='utf' benchmarker='autocannon' 0.02 % ±0.49% ±0.66% ±0.86%
http/end-vs-write-end.js method='end' c=100 len=131072 type='asc' benchmarker='autocannon' -0.83 % ±0.96% ±1.28% ±1.67%
http/end-vs-write-end.js method='end' c=100 len=131072 type='buf' benchmarker='autocannon' * -1.55 % ±1.37% ±1.82% ±2.37%
http/end-vs-write-end.js method='end' c=100 len=131072 type='utf' benchmarker='autocannon' 0.48 % ±0.88% ±1.18% ±1.53%
http/end-vs-write-end.js method='end' c=100 len=262144 type='asc' benchmarker='autocannon' 0.21 % ±1.05% ±1.40% ±1.83%
http/end-vs-write-end.js method='end' c=100 len=262144 type='buf' benchmarker='autocannon' -0.51 % ±1.10% ±1.46% ±1.91%
http/end-vs-write-end.js method='end' c=100 len=262144 type='utf' benchmarker='autocannon' -0.16 % ±0.75% ±1.00% ±1.31%
http/end-vs-write-end.js method='end' c=100 len=65536 type='asc' benchmarker='autocannon' -0.70 % ±1.31% ±1.75% ±2.27%
http/end-vs-write-end.js method='end' c=100 len=65536 type='buf' benchmarker='autocannon' 0.71 % ±1.53% ±2.04% ±2.65%
http/end-vs-write-end.js method='end' c=100 len=65536 type='utf' benchmarker='autocannon' -0.27 % ±1.07% ±1.42% ±1.84%
http/end-vs-write-end.js method='write' c=100 len=1048576 type='asc' benchmarker='autocannon' 0.90 % ±1.43% ±1.90% ±2.47%
http/end-vs-write-end.js method='write' c=100 len=1048576 type='buf' benchmarker='autocannon' -0.58 % ±0.76% ±1.01% ±1.32%
http/end-vs-write-end.js method='write' c=100 len=1048576 type='utf' benchmarker='autocannon' 0.53 % ±0.74% ±0.98% ±1.28%
http/end-vs-write-end.js method='write' c=100 len=131072 type='asc' benchmarker='autocannon' 0.18 % ±1.69% ±2.25% ±2.93%
http/end-vs-write-end.js method='write' c=100 len=131072 type='buf' benchmarker='autocannon' * 1.58 % ±1.56% ±2.08% ±2.71%
http/end-vs-write-end.js method='write' c=100 len=131072 type='utf' benchmarker='autocannon' 0.21 % ±0.83% ±1.11% ±1.45%
http/end-vs-write-end.js method='write' c=100 len=262144 type='asc' benchmarker='autocannon' -0.31 % ±1.61% ±2.15% ±2.80%
http/end-vs-write-end.js method='write' c=100 len=262144 type='buf' benchmarker='autocannon' -0.92 % ±0.99% ±1.32% ±1.72%
http/end-vs-write-end.js method='write' c=100 len=262144 type='utf' benchmarker='autocannon' 0.68 % ±0.77% ±1.02% ±1.33%
http/end-vs-write-end.js method='write' c=100 len=65536 type='asc' benchmarker='autocannon' * 1.94 % ±1.89% ±2.51% ±3.27%
http/end-vs-write-end.js method='write' c=100 len=65536 type='buf' benchmarker='autocannon' -0.36 % ±1.82% ±2.42% ±3.15%
http/end-vs-write-end.js method='write' c=100 len=65536 type='utf' benchmarker='autocannon' 0.56 % ±1.05% ±1.39% ±1.82%
http/headers.js len=1 n=10 benchmarker='autocannon' 1.32 % ±1.91% ±2.54% ±3.30%
http/headers.js len=1 n=1000 benchmarker='autocannon' 0.11 % ±0.38% ±0.50% ±0.65%
http/headers.js len=100 n=10 benchmarker='autocannon' -0.01 % ±0.69% ±0.92% ±1.20%
http/headers.js len=100 n=1000 benchmarker='autocannon' 0.06 % ±0.39% ±0.51% ±0.67%
Be aware that when doing many comparisons the risk of a false-positive
result increases. In this case there are 132 comparisons, you can thus
expect the following amount of false-positive results:
6.60 false positives, when considering a 5% risk acceptance (*, **, ***),
1.32 false positives, when considering a 1% risk acceptance (**, ***),
0.13 false positives, when considering a 0.1% risk acceptance (***) Output file (rename extension to CSV before using): The command run: node benchmark/compare.js --old ../node-master --new ../node-http-for-of http > compare-http.csv |
|
One thing to keep in mind here, not just with benchmarks, these types of
changes do make it harder to backport to older versions of node.
…On Sat, Jan 4, 2020, 9:20 AM Trivikram Kamat ***@***.***> wrote:
Comparison benchmarks of updates which weren't pushed in this PR - in
files _http_client.js, _http_outgoing.js and _http_server.js
Code: https://github.com/trivikr/node/tree/http-for-of-benchmark
confidence improvement accuracy (*) (**) (***)
http/bench-parser.js n=100000 len=16 -0.31 % ±0.47% ±0.62% ±0.81%
http/bench-parser.js n=100000 len=32 -0.21 % ±0.35% ±0.47% ±0.61%
http/bench-parser.js n=100000 len=4 * -1.21 % ±0.93% ±1.25% ±1.64%
http/bench-parser.js n=100000 len=8 -0.46 % ±1.08% ±1.43% ±1.87%
http/check_invalid_header_char.js n=1000000 input='' -0.16 % ±0.28% ±0.37% ±0.48%
http/check_invalid_header_char.js n=1000000 input='\177' *** -1.45 % ±0.56% ±0.74% ±0.97%
http/check_invalid_header_char.js n=1000000 input='\\t\\t\\t\\t\\t\\t\\t\\t\\t\\tFoo bar baz' -0.01 % ±0.18% ±0.24% ±0.31%
http/check_invalid_header_char.js n=1000000 input='1' *** -0.89 % ±0.44% ±0.59% ±0.77%
http/check_invalid_header_char.js n=1000000 input='20091' -0.39 % ±0.45% ±0.60% ±0.78%
http/check_invalid_header_char.js n=1000000 input='close' -0.08 % ±0.28% ±0.37% ±0.48%
http/check_invalid_header_char.js n=1000000 input='en-US' -0.13 % ±0.28% ±0.37% ±0.48%
http/check_invalid_header_char.js n=1000000 input='foo\\nbar' *** -1.13 % ±0.52% ±0.69% ±0.89%
http/check_invalid_header_char.js n=1000000 input='group_acmeair' -0.04 % ±0.16% ±0.22% ±0.28%
http/check_invalid_header_char.js n=1000000 input='gzip' *** -0.52 % ±0.20% ±0.27% ±0.35%
http/check_invalid_header_char.js n=1000000 input='keep-alive' -0.10 % ±0.22% ±0.30% ±0.39%
http/check_invalid_header_char.js n=1000000 input='LONG_AND_INVALID' -0.00 % ±0.07% ±0.09% ±0.11%
http/check_invalid_header_char.js n=1000000 input='private' * 4.18 % ±3.49% ±4.66% ±6.10%
http/check_invalid_header_char.js n=1000000 input='SAMEORIGIN' 0.07 % ±0.21% ±0.28% ±0.37%
http/check_invalid_header_char.js n=1000000 input='Sat, 07 May 2016 16:54:48 GMT' -0.32 % ±2.66% ±3.54% ±4.60%
http/check_invalid_header_char.js n=1000000 input='text/html; charset=utf-8' 2.41 % ±2.86% ±3.80% ±4.95%
http/check_invalid_header_char.js n=1000000 input='text/plain' 0.17 % ±0.30% ±0.40% ±0.52%
http/check_invalid_header_char.js n=1000000 input='中文呢' -0.35 % ±0.50% ±0.66% ±0.86%
http/check_is_http_token.js n=1000000 key=':' -0.18 % ±0.43% ±0.57% ±0.74%
http/check_is_http_token.js n=1000000 key=':alternate-protocol' 0.26 % ±0.36% ±0.48% ±0.63%
http/check_is_http_token.js n=1000000 key='((((())))' -0.52 % ±0.54% ±0.71% ±0.93%
http/check_is_http_token.js n=1000000 key='@@' -0.27 % ±0.35% ±0.47% ±0.61%
http/check_is_http_token.js n=1000000 key='Accept-Ranges' -0.09 % ±0.23% ±0.30% ±0.39%
http/check_is_http_token.js n=1000000 key='alt-svc' -0.07 % ±0.24% ±0.32% ±0.42%
http/check_is_http_token.js n=1000000 key='alternate-protocol:' -0.07 % ±0.23% ±0.30% ±0.39%
http/check_is_http_token.js n=1000000 key='alternate-protocol' -0.02 % ±0.14% ±0.19% ±0.25%
http/check_is_http_token.js n=1000000 key='Cache-Control' 0.12 % ±0.24% ±0.31% ±0.41%
http/check_is_http_token.js n=1000000 key='Connection' -0.02 % ±0.27% ±0.36% ±0.47%
http/check_is_http_token.js n=1000000 key='Content-Encoding' 0.10 % ±0.18% ±0.24% ±0.31%
http/check_is_http_token.js n=1000000 key='content-length' -0.07 % ±0.18% ±0.24% ±0.32%
http/check_is_http_token.js n=1000000 key='Content-Location' 0.08 % ±0.18% ±0.24% ±0.31%
http/check_is_http_token.js n=1000000 key='content-type' -0.14 % ±0.23% ±0.31% ±0.40%
http/check_is_http_token.js n=1000000 key='Content-Type' -0.06 % ±0.26% ±0.35% ±0.45%
http/check_is_http_token.js n=1000000 key='date' -0.09 % ±0.35% ±0.46% ±0.60%
http/check_is_http_token.js n=1000000 key='ETag' -0.15 % ±0.25% ±0.34% ±0.44%
http/check_is_http_token.js n=1000000 key='Expires' 0.09 % ±0.26% ±0.35% ±0.45%
http/check_is_http_token.js n=1000000 key='Keep-Alive' 0.18 % ±0.26% ±0.34% ±0.45%
http/check_is_http_token.js n=1000000 key='Last-Modified' -0.17 % ±0.24% ±0.32% ±0.41%
http/check_is_http_token.js n=1000000 key='location' 0.14 % ±0.29% ±0.38% ±0.49%
http/check_is_http_token.js n=1000000 key='server' ** 0.31 % ±0.23% ±0.31% ±0.40%
http/check_is_http_token.js n=1000000 key='Server' -0.02 % ±0.25% ±0.33% ±0.43%
http/check_is_http_token.js n=1000000 key='status' -0.05 % ±0.30% ±0.40% ±0.52%
http/check_is_http_token.js n=1000000 key='TCN' -0.16 % ±0.31% ±0.42% ±0.54%
http/check_is_http_token.js n=1000000 key='Transfer-Encoding' 0.03 % ±0.13% ±0.17% ±0.23%
http/check_is_http_token.js n=1000000 key='Vary' 0.10 % ±0.28% ±0.38% ±0.49%
http/check_is_http_token.js n=1000000 key='version' 0.08 % ±0.21% ±0.29% ±0.37%
http/check_is_http_token.js n=1000000 key='x-frame-options' -0.04 % ±0.15% ±0.20% ±0.27%
http/check_is_http_token.js n=1000000 key='x-xss-protection' -0.01 % ±0.15% ±0.19% ±0.25%
http/check_is_http_token.js n=1000000 key='中文呢' -0.06 % ±0.41% ±0.55% ±0.72%
http/chunked.js c=100 len=1 n=1 benchmarker='autocannon' 0.00 % ±0.15% ±0.21% ±0.27%
http/chunked.js c=100 len=1 n=16 benchmarker='autocannon' 0.02 % ±0.16% ±0.21% ±0.28%
http/chunked.js c=100 len=1 n=4 benchmarker='autocannon' 0.01 % ±0.10% ±0.14% ±0.18%
http/chunked.js c=100 len=1 n=8 benchmarker='autocannon' 0.01 % ±0.08% ±0.11% ±0.15%
http/chunked.js c=100 len=256 n=1 benchmarker='autocannon' ** 0.13 % ±0.10% ±0.13% ±0.17%
http/chunked.js c=100 len=256 n=16 benchmarker='autocannon' 0.07 % ±0.09% ±0.13% ±0.16%
http/chunked.js c=100 len=256 n=4 benchmarker='autocannon' -0.06 % ±0.10% ±0.13% ±0.17%
http/chunked.js c=100 len=256 n=8 benchmarker='autocannon' -0.05 % ±0.12% ±0.16% ±0.20%
http/chunked.js c=100 len=64 n=1 benchmarker='autocannon' 0.03 % ±0.13% ±0.18% ±0.23%
http/chunked.js c=100 len=64 n=16 benchmarker='autocannon' 0.19 % ±0.19% ±0.26% ±0.34%
http/chunked.js c=100 len=64 n=4 benchmarker='autocannon' -0.05 % ±0.10% ±0.13% ±0.17%
http/chunked.js c=100 len=64 n=8 benchmarker='autocannon' -0.05 % ±0.11% ±0.14% ±0.19%
http/client-request-body.js method='end' len=1024 type='asc' dur=5 -0.34 % ±3.24% ±4.31% ±5.61%
http/client-request-body.js method='end' len=1024 type='buf' dur=5 2.47 % ±3.50% ±4.66% ±6.06%
http/client-request-body.js method='end' len=1024 type='utf' dur=5 -0.78 % ±2.64% ±3.51% ±4.57%
http/client-request-body.js method='end' len=256 type='asc' dur=5 -0.68 % ±3.14% ±4.18% ±5.44%
http/client-request-body.js method='end' len=256 type='buf' dur=5 2.17 % ±2.58% ±3.45% ±4.53%
http/client-request-body.js method='end' len=256 type='utf' dur=5 -0.63 % ±3.37% ±4.48% ±5.84%
http/client-request-body.js method='end' len=32 type='asc' dur=5 0.08 % ±3.06% ±4.08% ±5.31%
http/client-request-body.js method='end' len=32 type='buf' dur=5 -0.97 % ±2.59% ±3.45% ±4.49%
http/client-request-body.js method='end' len=32 type='utf' dur=5 -2.11 % ±3.19% ±4.25% ±5.53%
http/client-request-body.js method='write' len=1024 type='asc' dur=5 2.45 % ±3.08% ±4.11% ±5.36%
http/client-request-body.js method='write' len=1024 type='buf' dur=5 -0.92 % ±3.09% ±4.11% ±5.35%
http/client-request-body.js method='write' len=1024 type='utf' dur=5 -0.73 % ±3.40% ±4.53% ±5.89%
http/client-request-body.js method='write' len=256 type='asc' dur=5 1.81 % ±3.34% ±4.45% ±5.81%
http/client-request-body.js method='write' len=256 type='buf' dur=5 -1.83 % ±3.35% ±4.46% ±5.81%
http/client-request-body.js method='write' len=256 type='utf' dur=5 -1.48 % ±3.10% ±4.12% ±5.36%
http/client-request-body.js method='write' len=32 type='asc' dur=5 ** -4.37 % ±3.09% ±4.11% ±5.36%
http/client-request-body.js method='write' len=32 type='buf' dur=5 0.60 % ±3.54% ±4.72% ±6.14%
http/client-request-body.js method='write' len=32 type='utf' dur=5 -1.78 % ±3.77% ±5.01% ±6.52%
http/cluster.js c=50 len=1024 type='buffer' benchmarker='autocannon' * -3.01 % ±2.59% ±3.45% ±4.49%
http/cluster.js c=50 len=1024 type='bytes' benchmarker='autocannon' -1.34 % ±3.06% ±4.08% ±5.31%
http/cluster.js c=50 len=102400 type='buffer' benchmarker='autocannon' -0.48 % ±1.47% ±1.96% ±2.55%
http/cluster.js c=50 len=102400 type='bytes' benchmarker='autocannon' 0.54 % ±1.65% ±2.19% ±2.86%
http/cluster.js c=50 len=4 type='buffer' benchmarker='autocannon' 0.97 % ±2.70% ±3.59% ±4.67%
http/cluster.js c=50 len=4 type='bytes' benchmarker='autocannon' 0.01 % ±2.06% ±2.73% ±3.56%
http/cluster.js c=500 len=1024 type='buffer' benchmarker='autocannon' -0.15 % ±2.98% ±3.96% ±5.16%
http/cluster.js c=500 len=1024 type='bytes' benchmarker='autocannon' -0.10 % ±3.17% ±4.22% ±5.49%
http/cluster.js c=500 len=102400 type='buffer' benchmarker='autocannon' -0.04 % ±1.64% ±2.18% ±2.84%
http/cluster.js c=500 len=102400 type='bytes' benchmarker='autocannon' -0.16 % ±1.38% ±1.84% ±2.40%
http/cluster.js c=500 len=4 type='buffer' benchmarker='autocannon' 2.17 % ±2.91% ±3.88% ±5.05%
http/cluster.js c=500 len=4 type='bytes' benchmarker='autocannon' -0.96 % ±3.89% ±5.18% ±6.74%
http/create-clientrequest.js e=1 arg='options' url='idn' 0.45 % ±1.37% ±1.83% ±2.38%
http/create-clientrequest.js e=1 arg='options' url='long' 0.99 % ±1.54% ±2.05% ±2.67%
http/create-clientrequest.js e=1 arg='options' url='wpt' 0.44 % ±1.24% ±1.65% ±2.14%
http/create-clientrequest.js e=1 arg='string' url='idn' 1.80 % ±2.94% ±3.91% ±5.09%
http/create-clientrequest.js e=1 arg='string' url='long' 0.78 % ±1.88% ±2.50% ±3.25%
http/create-clientrequest.js e=1 arg='string' url='wpt' * 2.30 % ±1.96% ±2.61% ±3.40%
http/create-clientrequest.js e=1 arg='URL' url='idn' * 1.28 % ±1.24% ±1.65% ±2.15%
http/create-clientrequest.js e=1 arg='URL' url='long' 1.10 % ±1.50% ±2.00% ±2.60%
http/create-clientrequest.js e=1 arg='URL' url='wpt' 0.09 % ±1.30% ±1.73% ±2.25%
http/end-vs-write-end.js method='end' c=100 len=1048576 type='asc' benchmarker='autocannon' -0.20 % ±0.92% ±1.23% ±1.59%
http/end-vs-write-end.js method='end' c=100 len=1048576 type='buf' benchmarker='autocannon' -0.49 % ±0.84% ±1.12% ±1.46%
http/end-vs-write-end.js method='end' c=100 len=1048576 type='utf' benchmarker='autocannon' 0.02 % ±0.49% ±0.66% ±0.86%
http/end-vs-write-end.js method='end' c=100 len=131072 type='asc' benchmarker='autocannon' -0.83 % ±0.96% ±1.28% ±1.67%
http/end-vs-write-end.js method='end' c=100 len=131072 type='buf' benchmarker='autocannon' * -1.55 % ±1.37% ±1.82% ±2.37%
http/end-vs-write-end.js method='end' c=100 len=131072 type='utf' benchmarker='autocannon' 0.48 % ±0.88% ±1.18% ±1.53%
http/end-vs-write-end.js method='end' c=100 len=262144 type='asc' benchmarker='autocannon' 0.21 % ±1.05% ±1.40% ±1.83%
http/end-vs-write-end.js method='end' c=100 len=262144 type='buf' benchmarker='autocannon' -0.51 % ±1.10% ±1.46% ±1.91%
http/end-vs-write-end.js method='end' c=100 len=262144 type='utf' benchmarker='autocannon' -0.16 % ±0.75% ±1.00% ±1.31%
http/end-vs-write-end.js method='end' c=100 len=65536 type='asc' benchmarker='autocannon' -0.70 % ±1.31% ±1.75% ±2.27%
http/end-vs-write-end.js method='end' c=100 len=65536 type='buf' benchmarker='autocannon' 0.71 % ±1.53% ±2.04% ±2.65%
http/end-vs-write-end.js method='end' c=100 len=65536 type='utf' benchmarker='autocannon' -0.27 % ±1.07% ±1.42% ±1.84%
http/end-vs-write-end.js method='write' c=100 len=1048576 type='asc' benchmarker='autocannon' 0.90 % ±1.43% ±1.90% ±2.47%
http/end-vs-write-end.js method='write' c=100 len=1048576 type='buf' benchmarker='autocannon' -0.58 % ±0.76% ±1.01% ±1.32%
http/end-vs-write-end.js method='write' c=100 len=1048576 type='utf' benchmarker='autocannon' 0.53 % ±0.74% ±0.98% ±1.28%
http/end-vs-write-end.js method='write' c=100 len=131072 type='asc' benchmarker='autocannon' 0.18 % ±1.69% ±2.25% ±2.93%
http/end-vs-write-end.js method='write' c=100 len=131072 type='buf' benchmarker='autocannon' * 1.58 % ±1.56% ±2.08% ±2.71%
http/end-vs-write-end.js method='write' c=100 len=131072 type='utf' benchmarker='autocannon' 0.21 % ±0.83% ±1.11% ±1.45%
http/end-vs-write-end.js method='write' c=100 len=262144 type='asc' benchmarker='autocannon' -0.31 % ±1.61% ±2.15% ±2.80%
http/end-vs-write-end.js method='write' c=100 len=262144 type='buf' benchmarker='autocannon' -0.92 % ±0.99% ±1.32% ±1.72%
http/end-vs-write-end.js method='write' c=100 len=262144 type='utf' benchmarker='autocannon' 0.68 % ±0.77% ±1.02% ±1.33%
http/end-vs-write-end.js method='write' c=100 len=65536 type='asc' benchmarker='autocannon' * 1.94 % ±1.89% ±2.51% ±3.27%
http/end-vs-write-end.js method='write' c=100 len=65536 type='buf' benchmarker='autocannon' -0.36 % ±1.82% ±2.42% ±3.15%
http/end-vs-write-end.js method='write' c=100 len=65536 type='utf' benchmarker='autocannon' 0.56 % ±1.05% ±1.39% ±1.82%
http/headers.js len=1 n=10 benchmarker='autocannon' 1.32 % ±1.91% ±2.54% ±3.30%
http/headers.js len=1 n=1000 benchmarker='autocannon' 0.11 % ±0.38% ±0.50% ±0.65%
http/headers.js len=100 n=10 benchmarker='autocannon' -0.01 % ±0.69% ±0.92% ±1.20%
http/headers.js len=100 n=1000 benchmarker='autocannon' 0.06 % ±0.39% ±0.51% ±0.67%
Be aware that when doing many comparisons the risk of a false-positive
result increases. In this case there are 132 comparisons, you can thus
expect the following amount of false-positive results:
6.60 false positives, when considering a 5% risk acceptance (*, **, ***),
1.32 false positives, when considering a 1% risk acceptance (**, ***),
0.13 false positives, when considering a 0.1% risk acceptance (***)
Output file (rename extension to CSV before using):
compare-http.txt
<https://github.com/nodejs/node/files/4022000/compare-http.txt>
The command run:
node benchmark/compare.js --old ../node-master --new ../node-http-for-of http > compare-http.csv
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I am -0 on all these changes, but would rather land them and move on than try to stop them when I don't feel that strongly. If you or someone else feels more strongly that the churn here is not worth the readability, I'd support an objection and be inclined to close-without-landing. It sounds like you're about where I am, though, around a -0. |
And to answer the obvious question: My approval is "this code change works as intended and shouldn't break anything", even though I think it's basically a wash as to whether or not the cost is worth the value. |
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PR-URL: #30958 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
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PR-URL: #30958 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
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Cache length prop in classic for loop for performance purpose. Refs: nodejs#30958
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Searched for regular expression
for \([^\.]*.lengthinliband made changes in_http_*filesRefs: #30910 (comment)
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passes