Re: Not going beyond symbolic links

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From: Linus Torvalds
Date: Friday, August 8, 2008 - 4:45 pm

On Fri, 8 Aug 2008, Junio C Hamano wrote:

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
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Messages in current thread:
[RFC][PATCH 0/7] Submodule support in git mv, git rm, Petr Baudis, (Wed Jul 16, 12:11 pm)
[PATCH 1/7] git-mv: Remove dead code branch, Petr Baudis, (Wed Jul 16, 12:11 pm)
[PATCH 5/7] git mv: Support moving submodules, Petr Baudis, (Wed Jul 16, 12:11 pm)
[PATCH 6/7] git rm: Support for removing submodules, Petr Baudis, (Wed Jul 16, 12:11 pm)
[PATCH 7/7] t7403: Submodule git mv, git rm testsuite, Petr Baudis, (Wed Jul 16, 12:11 pm)
Re: [PATCH 6/7] git rm: Support for removing submodules, Johannes Schindelin, (Wed Jul 16, 3:41 pm)
Re: [PATCH 5/7] git mv: Support moving submodules, Junio C Hamano, (Wed Jul 16, 7:37 pm)
Re: [PATCH 6/7] git rm: Support for removing submodules, Johannes Schindelin, (Thu Jul 17, 5:59 am)
Re: [PATCH 5/7] git mv: Support moving submodules, Petr Baudis, (Thu Jul 17, 6:06 am)
[PATCH] git-mv: Keep moved index entries inact, Petr Baudis, (Thu Jul 17, 3:31 pm)
[PATCH] git mv: Support moving submodules, Petr Baudis, (Thu Jul 17, 3:34 pm)
Re: [PATCH] git-mv: Keep moved index entries inact, Junio C Hamano, (Sat Jul 19, 4:54 pm)
Re: [PATCH] git-mv: Keep moved index entries inact, Petr Baudis, (Sun Jul 20, 5:23 pm)
[PATCHv2] git-mv: Keep moved index entries inact, Petr Baudis, (Sun Jul 20, 5:25 pm)
Re: [PATCH] git-mv: Keep moved index entries inact, Johannes Schindelin, (Sun Jul 20, 6:20 pm)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Junio C Hamano, (Sun Jul 20, 9:36 pm)
Re: [PATCH] git-mv: Keep moved index entries inact, Petr Baudis, (Mon Jul 21, 12:18 am)
Re: [PATCH] git-mv: Keep moved index entries inact, Junio C Hamano, (Mon Jul 21, 12:38 am)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Junio C Hamano, (Fri Jul 25, 11:46 pm)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Petr Baudis, (Sun Jul 27, 6:41 am)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Johannes Schindelin, (Mon Jul 28, 8:06 am)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Johannes Schindelin, (Mon Jul 28, 8:14 am)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Johannes Schindelin, (Mon Jul 28, 11:24 am)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Junio C Hamano, (Mon Jul 28, 12:19 pm)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Johannes Schindelin, (Mon Jul 28, 4:41 pm)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Johannes Schindelin, (Mon Jul 28, 4:55 pm)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Petr Baudis, (Mon Jul 28, 5:17 pm)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Junio C Hamano, (Mon Jul 28, 5:46 pm)
Re: [PATCHv2] git-mv: Keep moved index entries inact, Junio C Hamano, (Mon Jul 28, 10:23 pm)
Not going beyond symbolic links, Junio C Hamano, (Mon Aug 4, 12:49 am)
Re: Not going beyond symbolic links, Linus Torvalds, (Mon Aug 4, 5:21 pm)
Re: Not going beyond symbolic links, Junio C Hamano, (Mon Aug 4, 5:54 pm)
Re: Not going beyond symbolic links, Linus Torvalds, (Mon Aug 4, 6:43 pm)
Re: Not going beyond symbolic links, Johannes Schindelin, (Mon Aug 4, 6:59 pm)
Re: Not going beyond symbolic links, Linus Torvalds, (Mon Aug 4, 7:28 pm)
Re: Not going beyond symbolic links, Junio C Hamano, (Mon Aug 4, 9:44 pm)
Re: Not going beyond symbolic links, Johannes Schindelin, (Tue Aug 5, 4:23 am)
Re: Not going beyond symbolic links, Junio C Hamano, (Wed Aug 6, 11:52 pm)
Re: Not going beyond symbolic links, Junio C Hamano, (Fri Aug 8, 1:55 pm)
Re: Not going beyond symbolic links, Linus Torvalds, (Fri Aug 8, 4:45 pm)