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fs: improve error performance for fs.renameSync #49863

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@anonrig anonrig commented Sep 25, 2023

                                              confidence improvement accuracy (*)    (**)   (***)
fs/bench-renameSync.js n=1000 type='invalid'        ***     50.69 %      ±16.74% ±22.31% ±29.10%
fs/bench-renameSync.js n=1000 type='valid'                   1.87 %      ±12.40% ±16.50% ±21.48%

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 (***)

Ref: nodejs/performance#106

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. lib / src Issues and PRs related to general changes in the lib or src directory. needs-ci PRs that need a full CI run. labels Sep 25, 2023
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anonrig commented Sep 25, 2023

Benchmark CI: https://ci.nodejs.org/view/Node.js%20benchmark/job/benchmark-node-micro-benchmarks/1417/

22:15:50                                              confidence improvement accuracy (*)   (**)  (***)
22:15:50 fs/bench-renameSync.js n=1000 type='invalid'        ***     64.92 %       ±1.56% ±2.08% ±2.71%
22:15:50 fs/bench-renameSync.js n=1000 type='valid'                   0.85 %       ±4.16% ±5.56% ±7.29%

@anonrig anonrig added performance Issues and PRs related to the performance of Node.js. needs-benchmark-ci PR that need a benchmark CI run. labels Sep 25, 2023
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@anonrig anonrig requested a review from targos September 25, 2023 18:57
@anonrig anonrig added the request-ci Add this label to start a Jenkins CI on a PR. label Sep 26, 2023
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Sep 26, 2023
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@anonrig anonrig added the request-ci Add this label to start a Jenkins CI on a PR. label Sep 27, 2023
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Sep 27, 2023
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anonrig commented Sep 29, 2023

Closing in favor of #49962

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