Some interesting preliminary timing of @musllibc's posix_spawn vs fork+exec shows it ~25x faster for large parent processes. (~360us vs 9ms)
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Replying to @RichFelker
@RichFelker@musllibc@mpixorg how is the perf on fork() without exec? cygwin is 20x slower v linux native, ours is 7x slower v linux1 reply 0 retweets 0 likes -
Replying to @richinseattle
@richinseattle@mpixorg Are you asking about midipix? My numbers are using@musllibc on linux.1 reply 0 retweets 0 likes -
Replying to @RichFelker
@RichFelker@mpixorg@musllibc yes, sorry, was referring to midipix1 reply 0 retweets 0 likes -
Replying to @richinseattle
@richinseattle@mpixorg While I'm excited about the midipix project, I don't work on it myself. I'm the@musllibc maintainer.1 reply 0 retweets 0 likes -
Replying to @RichFelker
@richinseattle@mpixorg Just posted the posix_spawn timings link on HN because I think it's relevant to misplaced concerns about fork speed.1 reply 0 retweets 0 likes -
Replying to @RichFelker
@RichFelker@mpixorg thanks for the clarification, I'm blind or the midipix fork implementation hasnt been released so I cant test yet1 reply 0 retweets 0 likes
@richinseattle @mpixorg Indeed, the midipix runtime components are not released yet. Hopefully very soon now.
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