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Re: Questions on GSoC 2019 Ideas

From
Duy Nguyen <pclouds@gmail.com>
Date
Mar 5, 2019, 12:57 UTC
Message-ID
<CACsJy8D-eQUGFsu4_cB9FE6gAo2d68EF_x2ze3YLXKAxYJfhSQ@mail.gmail.com>
In-Reply-To
<20190305045140.GH19800@sigill.intra.peff.net>
On Tue, Mar 5, 2019 at 11:51 AM Jeff King <peff@peff.net> wrote:
Show 13 quoted lines
> > processing power from multiple cores, but about _not_ blocking. I
> > think one example use case here is parallel checkout. While one thread
> > is blocked by pack access code for whatever reason, the others can
> > still continue doing other stuff (e.g. write the checked out file to
> > disk) or even access the pack again to check more things out.
>
> I'm not sure if it would help much for packs, because they're organized
> to have pretty good cold-cache read-ahead behavior. But who knows until
> we measure it.
>
> I do suspect that inflating (and delta reconstruction) done in parallel
> could be a win for git-grep, especially if you have a really simple
> regex that is quick to search.

Maybe git-blame too. But this is based purely on me watching CPU utilization of one command with hot cache. For git-blame though, diff code as to be thread safe too but that's another story.

-- 
Duy
Previous: Jeff KingNext: Matheus Tavares Bernardino
Message 9 of 24 in “Questions on GSoC 2019 Ideas”
  1. Matheus Tavares BernardinoFeb 28, 2019
  2. Christian CouderFeb 28, 2019
  3. Duy NguyenMar 1, 2019
  4. Thomas GummererMar 2, 2019
  5. Christian CouderMar 3, 2019
  6. Duy NguyenMar 3, 2019
  7. Duy NguyenMar 3, 2019
  8. Jeff KingMar 5, 2019
  9. Duy NguyenMar 5, 2019
  10. Matheus Tavares BernardinoMar 5, 2019
  11. Duy NguyenMar 6, 2019
  12. Matheus Tavares BernardinoMar 12, 2019
  13. Duy NguyenMar 12, 2019
  14. Duy NguyenMar 12, 2019
  15. Matheus Tavares BernardinoApr 4, 2019
  16. Christian CouderApr 4, 2019
  17. Mike HommeyApr 4, 2019
  18. Matheus Tavares BernardinoApr 5, 2019
  19. Christian CouderApr 7, 2019
  20. Matheus Tavares BernardinoMar 5, 2019
  21. Thomas GummererMar 6, 2019
  22. Duy NguyenMar 3, 2019
  23. Thomas GummererMar 3, 2019
  24. Johannes SchindelinMar 1, 2019

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