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Re: Git performance on OS X

From
PBPieter de Bie <pdebie@ai.rug.nl>
Date
Apr 19, 2008, 22:00 UTC
Message-ID
<FEFAB19F-742A-452E-87C1-CD55AD0996DB@ai.rug.nl>
In-Reply-To
<alpine.LFD.1.10.0804191443550.2779@woody.linux-foundation.org>
On 19 apr 2008, at 23:54, Linus Torvalds wrote:
>
>
> Btw, the "git status" issue is totally different.
>
Yes, I was aware of that, but still found it interesting to test.
Show 5 quoted lines
>
> And yes, most of the time in "git status ." is going to be the lstat()
> calls. Which are expensive on OS X. And yes, we do too many of them.  
> I'll
> look at seeing if we can avoid some.

I just tested this. "git status ." does 428815 (400k!) lstats, almost 10x as many as there are files in the repository. I'd agree that this is the reason it's slow on OS X :).

- Pieter
Previous: Linus TorvaldsNext: Linus Torvalds
Message 7 of 39 in “Git performance on OS X”
  1. Pieter de BieApr 19, 2008
  2. Linus TorvaldsApr 19, 2008
  3. Linus TorvaldsApr 19, 2008
  4. Pieter de BieApr 19, 2008
  5. David KastrupApr 20, 2008
  6. Linus TorvaldsApr 19, 2008
  7. Pieter de BieApr 19, 2008
  8. Linus TorvaldsApr 19, 2008
  9. Junio C HamanoApr 20, 2008
  10. 01/02 implement a stat cacheLuciano Rocha, Apr 20, 2008
  11. 02/02 make use of the stat cacheLuciano Rocha, Apr 20, 2008
  12. Luciano RochaApr 20, 2008
  13. Linus TorvaldsApr 20, 2008
  14. Luciano RochaApr 20, 2008
  15. Linus TorvaldsApr 20, 2008
  16. Linus TorvaldsApr 20, 2008
  17. Dmitry PotapovApr 21, 2008
  18. Johan HerlandApr 21, 2008
  19. Junio C HamanoApr 21, 2008
  20. Linus TorvaldsApr 21, 2008
  21. Linus TorvaldsApr 21, 2008
  22. Junio C HamanoApr 21, 2008
  23. Linus TorvaldsApr 21, 2008
  24. Junio C HamanoApr 21, 2008
  25. David KastrupApr 21, 2008
  26. Jakub NarebskiApr 19, 2008
  27. Linus TorvaldsApr 19, 2008
  28. Linus TorvaldsApr 19, 2008
  29. Pieter de BieApr 19, 2008
  30. Linus TorvaldsApr 19, 2008
  31. Roman ShaposhnikApr 19, 2008
  32. Pieter de BieApr 19, 2008
  33. Linus TorvaldsApr 20, 2008
  34. Roman ShaposhnikApr 20, 2008
  35. Pieter de BieApr 19, 2008
  36. Linus TorvaldsApr 20, 2008
  37. Dmitry PotapovApr 20, 2008
  38. David KastrupApr 20, 2008
  39. Linus TorvaldsApr 19, 2008

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