From: Linus Torvalds <torvalds@osdl.org>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Jim Meyering <jim@meyering.net>, Git Mailing List <git@vger.kernel.org>
Subject: Re: git-diff-tree inordinately (O(M*N)) slow on files with many changes
Date: Mon, 16 Oct 2006 09:57:25 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0610160956360.3962@g5.osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0610160932100.7697@alien.or.mcafeemobile.com>
On Mon, 16 Oct 2006, Davide Libenzi wrote:
>
> I think the xdl_hashbits() picks up the hash table size "almost"
> correctly. I think we're looking at some bad hash *collisions* (not
> records with same hash value, that'd be stopped by the mlim check).
> Send me the files and I'll take a look ...
Davide, they were mentioned in the original report:
http://meyering.net/code/git-perf/configure.gz
http://meyering.net/code/git-perf/configure-curr.gz
I'd take a look myself, but I need to run..
Linus
next prev parent reply other threads:[~2006-10-16 16:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-16 14:12 git-diff-tree inordinately (O(M*N)) slow on files with many changes Jim Meyering
2006-10-16 15:47 ` Linus Torvalds
2006-10-16 16:12 ` Linus Torvalds
2006-10-16 16:33 ` Jim Meyering
2006-10-16 16:42 ` Davide Libenzi
2006-10-16 16:50 ` Jim Meyering
2006-10-16 16:54 ` Davide Libenzi
2006-10-16 16:57 ` Jim Meyering
2006-10-16 17:02 ` Davide Libenzi
2006-10-16 17:56 ` Linus Torvalds
2006-10-16 18:03 ` Linus Torvalds
2006-10-16 18:41 ` Davide Libenzi
2006-10-16 18:18 ` Davide Libenzi
2006-10-16 18:51 ` Linus Torvalds
2006-10-16 19:44 ` Davide Libenzi
2006-10-16 20:29 ` Jakub Narebski
2006-10-16 22:53 ` Junio C Hamano
2006-10-16 23:24 ` Linus Torvalds
2006-10-16 23:52 ` Davide Libenzi
2006-10-16 18:24 ` Jim Meyering
2006-10-16 18:30 ` Davide Libenzi
2006-10-16 18:43 ` Jim Meyering
2006-10-16 16:54 ` Linus Torvalds
2006-10-16 16:36 ` Davide Libenzi
2006-10-16 16:57 ` Linus Torvalds [this message]
2006-10-16 16:24 ` Davide Libenzi
2006-10-16 16:54 ` Jakub Narebski
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