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fs: improve error performance for writeSync #50354

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fs: improve error performance for writeSync #50354

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pluris
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@pluris pluris commented Oct 24, 2023 •
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I worked on it because it seemed like there was still work left to do in nodejs/performance#106.

                                              confidence improvement accuracy (*)    (**)   (***)
fs/bench-writeSync.js n=100000 type='invalid'        ***    116.41 %       ±9.35% ±12.49% ±16.36%
fs/bench-writeSync.js n=100000 type='valid'                   0.46 %       ±6.13%  ±8.16% ±10.62%

Be aware that when doing many comparisons the risk of a false-positive result increases.
In this case, there are 2 comparisons, you can thus expect the following amount of false-positive results:
  0.10 false positives, when considering a   5% risk acceptance (*, **, ***),
  0.02 false positives, when considering a   1% risk acceptance (**, ***),
  0.00 false positives, when considering a 0.1% risk acceptance (***)

Refs: nodejs/performance#106

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. fs Issues and PRs related to the fs subsystem / file system. needs-ci PRs that need a full CI run. typings labels Oct 24, 2023
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CI: https://ci.nodejs.org/job/node-test-pull-request/55187/

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anonrig commented Oct 24, 2023

@pluris the tests are failing

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pluris commented Oct 24, 2023

@anonrig After rebasing and checking, there seems to be a problem. I will fix it and let you know. thank you

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pluris commented Oct 24, 2023 •
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Something is weird. It seems like a fail occurs in parallel.test-release-changelog.
It seems to be happening in other PR as well. (#50361)
Could it be related to the recent commit that changed the CHANGELOG file?

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Something is weird. It seems like a fail occurs in parallel.test-release-changelog. It seems to be happening in other PR as well. (#50361) Could it be related to the recent commit that changed the CHANGELOG file?

#50373. Being fixed by #50375. Will need a fresh (not resumed) CI run to pick up the change when it lands on main.

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CI: https://ci.nodejs.org/job/node-test-pull-request/55210/

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This was referenced Oct 26, 2023
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CI: https://ci.nodejs.org/job/node-test-pull-request/56175/

@pluris pluris force-pushed the feat/write_sync branch 2 times, most recently from 3824b3a to 0d46fd4 Compare December 10, 2023 14:23
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CI: https://ci.nodejs.org/job/node-test-pull-request/56521/

@pluris pluris force-pushed the feat/write_sync branch 4 times, most recently from e08d243 to 1055136 Compare December 25, 2023 09:55
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CI: https://ci.nodejs.org/job/node-test-pull-request/56550/

@pluris pluris force-pushed the feat/write_sync branch 3 times, most recently from d68e8ef to 8f8be72 Compare December 27, 2023 16:22
@pluris pluris closed this Dec 29, 2023
@pluris pluris reopened this Dec 29, 2023
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aduh95 commented Dec 30, 2023 •
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Benchmark CI: https://ci.nodejs.org/view/Node.js%20benchmark/job/benchmark-node-micro-benchmarks/1490/

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hey guys, is there anything that's blocking this one out ?

@pluris pluris closed this Apr 11, 2024
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@fhinkel fhinkel fhinkel approved these changes

@anonrig anonrig anonrig approved these changes

@jasnell jasnell Awaiting requested review from jasnell

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