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Re: git diff is slow (--patience is fast)

From
Tay Ray Chuan <rctay89@gmail.com>
Date
Aug 16, 2011, 03:01 UTC
Message-ID
<CALUzUxopva0p28+OtVwy1gpfuzc9xVet7fGP4gne42n4W_8kcA@mail.gmail.com>
In-Reply-To
<loom.20110809T133735-979@post.gmane.org>
On Tue, Aug 9, 2011 at 7:39 PM, Marat Radchenko <marat@slonopotamus.org> wrote:
Show 5 quoted lines
> Good idea.
>
> New steps to reproduce:
> ~ $ git clone git://slonopotamus.org/git-diff
> Cloning into git-diff...
Thanks.

I traced this to a O(n*m) spot in xdiff/xprepare.c::xdl_classify_record(). Patch coming up.

-- 
Cheers,
Ray Chuan
Previous: Marat RadchenkoNext: Tay Ray Chuan
Message 4 of 16 in “git diff is slow (--patience is fast)”
  1. Marat RadchenkoAug 9, 2011
  2. Tay Ray ChuanAug 9, 2011
  3. Marat RadchenkoAug 9, 2011
  4. Tay Ray ChuanAug 16, 2011
  5. xdiff/xprepare: improve O(n*m) performance in xdl_cleanup_records()Tay Ray Chuan, Aug 16, 2011
  6. Tay Ray ChuanAug 16, 2011
  7. Junio C HamanoAug 16, 2011
  8. xdiff/xprepare: improve O(n*m) performance in xdl_cleanup_records()Tay Ray Chuan, Aug 17, 2011
  9. Jeff KingAug 17, 2011
  10. Tay Ray ChuanAug 17, 2011
  11. Jeff KingAug 18, 2011
  12. Tay Ray ChuanAug 19, 2011
  13. Johannes SixtAug 21, 2011
  14. Marat RadchenkoAug 24, 2011
  15. Marat RadchenkoAug 24, 2011
  16. Marat RadchenkoAug 27, 2011

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