stream: improve read() performance more#28989
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mscdex merged 1 commit intonodejs:masterfrom Aug 9, 2019
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lib/internal/streams/buffer_list.js
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yes, just confused as two how it can be faster. Some V8 thingy?
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yes. v8 can optimize the stuff it provides, but our buffer copy is basically a black box to it, since its written in c++. we could probably optimize our copy impl to use typedarray's set if there are no source offsets passed.
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wouldn't it better to apply this there then?
targos
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addaleax
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trivikr
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jasnell
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lpinca
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Doesn't #29066 supersede this PR? |
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@ronag Not really, |
PR-URL: nodejs#28989 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
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PR-URL: #28989 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
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make -j4 test(UNIX), orvcbuild test(Windows) passes