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Re: Not going beyond symbolic links

From
Linus Torvalds <torvalds@linux-foundation.org>
Date
Aug 8, 2008, 23:45 UTC
Message-ID
<alpine.LFD.1.10.0808081639540.3462@nehalem.linux-foundation.org>
In-Reply-To
<7vod43b519.fsf@gitster.siamese.dyndns.org>
On Fri, 8 Aug 2008, Junio C Hamano wrote:
> 
> Seeing that you applied my arch/powerpc/.gitignore patch to the kernel
> (Yaay, I now have a short-log entry in the kernel history ;-), you have
> seen the message with some benchmarks I am replying to as well?
Yes, I just felt that closed the discussion.

I only brought up the issue in the first place because I worried about the performance impact. And I was unhappy about how that worry was dismissed as being less important than some specious "correctness" issue (for the last 3+ years, performance has mattered a _lot_, and the claimed big "correctness" issue has not mattered one whit).

The thing is, sometimes "pi = 3.14" is (a) infinitely faster than the "correct" answer and (b) the difference between the "correct" and the "wrong" answer is meaningless. And this is why I get upset when somebody dismisses performance issues based on "correctness".

The thing is, some specious value of "correctness" is often irrelevant because it doesn't matter. While performance almost _always_ matters. And I absolutely _detest_ the fact that people so often dismiss performance concerns so readily.

But once the performance numbers are in and they don't show any issues, I think that simply settles the original query, and I'm happy.

		Linus
Previous: Junio C HamanoNext: Johannes Schindelin
Message 48 of 56 in “Submodule support in git mv, git rm”
  1. Petr BaudisJul 16, 2008
  2. 1/7 git-mv: Remove dead code branchPetr Baudis, Jul 16, 2008
  3. 2/7 t7400: Add short "git submodule add" testsuitePetr Baudis, Jul 16, 2008
  4. 3/7 git submodule add: Fix naming clash handlingPetr Baudis, Jul 16, 2008
  5. 4/7 submodule.*: Introduce simple C interface for submodule lookup by pathPetr Baudis, Jul 16, 2008
  6. 5/7 git mv: Support moving submodulesPetr Baudis, Jul 16, 2008
  7. Junio C HamanoJul 17, 2008
  8. Petr BaudisJul 17, 2008
  9. git-mv: Keep moved index entries inactPetr Baudis, Jul 17, 2008
  10. git mv: Support moving submodulesPetr Baudis, Jul 17, 2008
  11. Junio C HamanoJul 19, 2008
  12. Petr BaudisJul 21, 2008
  13. [PATCHv2] git-mv: Keep moved index entries inactPetr Baudis, Jul 21, 2008
  14. Junio C HamanoJul 21, 2008
  15. Junio C HamanoJul 26, 2008
  16. Petr BaudisJul 27, 2008
  17. t/t7001-mv.sh: Propose ability to use git-mv on conflicting entriesPetr Baudis, Jul 27, 2008
  18. Junio C HamanoJul 28, 2008
  19. Junio C HamanoJul 28, 2008
  20. SZEDER GáborJul 28, 2008
  21. Johannes SchindelinJul 28, 2008
  22. Johannes SchindelinJul 28, 2008
  23. Johannes SchindelinJul 28, 2008
  24. Junio C HamanoJul 28, 2008
  25. Johannes SchindelinJul 28, 2008
  26. Johannes SchindelinJul 28, 2008
  27. Petr BaudisJul 29, 2008
  28. Junio C HamanoJul 29, 2008
  29. Junio C HamanoJul 29, 2008
  30. Not going beyond symbolic linksJunio C Hamano, Aug 4, 2008
  31. 1/2 update-index: refuse to add working tree items beyond symlinksJunio C Hamano, Aug 4, 2008
  32. 2/2 add: refuse to add working tree items beyond symlinksJunio C Hamano, Aug 4, 2008
  33. Linus TorvaldsAug 5, 2008
  34. Junio C HamanoAug 5, 2008
  35. Linus TorvaldsAug 5, 2008
  36. Johannes SchindelinAug 5, 2008
  37. Linus TorvaldsAug 5, 2008
  38. Junio C HamanoAug 5, 2008
  39. Dmitry PotapovAug 5, 2008
  40. Junio C HamanoAug 5, 2008
  41. Linus TorvaldsAug 5, 2008
  42. Junio C HamanoAug 5, 2008
  43. Johannes SchindelinAug 5, 2008
  44. Junio C HamanoAug 5, 2008
  45. david@lang.hmAug 5, 2008
  46. Junio C HamanoAug 7, 2008
  47. Junio C HamanoAug 8, 2008
  48. Linus TorvaldsAug 8, 2008
  49. Johannes SchindelinJul 21, 2008
  50. Petr BaudisJul 21, 2008
  51. Junio C HamanoJul 21, 2008
  52. 6/7 git rm: Support for removing submodulesPetr Baudis, Jul 16, 2008
  53. Johannes SchindelinJul 16, 2008
  54. Petr BaudisJul 17, 2008
  55. Johannes SchindelinJul 17, 2008
  56. 7/7 t7403: Submodule git mv, git rm testsuitePetr Baudis, Jul 16, 2008

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