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Re: Low redisplay performance (23 regression)
From: |
Tobias C. Rittweiler |
Subject: |
Re: Low redisplay performance (23 regression) |
Date: |
Wed, 29 Apr 2009 20:01:29 +0200 |
User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/23.0.60 (gnu/linux) |
Stefan Monnier <address@hidden> writes:
>> GNU Emacs 22.1.1 --> (4.323907 2 0.07007399999999997)
>> GNU Emacs 23.0.60.1 --> (7.5862680000000005 1 0.048462000000000005)
>> GNU Emacs 23.0.92.1 --> (7.610763 2 0.06742599999999999)
>> (built on 2009-04-29)
>
> So it's about twice as slow for this test, which is the expected in this
> case: since your benchmark always calls it with point between 2 defuns,
> it ends up doing: BOD-raw to find the previous defun, EOD-function to
> find its end, which tells Emacs that the starting point was after the
> previous defun, so it calls BOD-raw again to find the next defun and
> finally EOD-function to get to its end.
Why didn't 22.x do this? Probably to fix some bug, right?
-T.
- Re: Low redisplay performance (23 regression), (continued)
- Re: Low redisplay performance (23 regression), Tobias C. Rittweiler, 2009/04/29
- Re: Low redisplay performance (23 regression), David Reitter, 2009/04/29
- Re: Low redisplay performance (23 regression), Stefan Monnier, 2009/04/29
- Re: Low redisplay performance (23 regression), Tobias C. Rittweiler, 2009/04/29
- Re: Low redisplay performance (23 regression), Stefan Monnier, 2009/04/29
- Re: Low redisplay performance (23 regression), Tobias C. Rittweiler, 2009/04/30
- Re: Low redisplay performance (23 regression), Stefan Monnier, 2009/04/30
- Re: Low redisplay performance (23 regression), Tobias C. Rittweiler, 2009/04/30
- Re: Low redisplay performance (23 regression),
Tobias C. Rittweiler <=
- Re: Low redisplay performance (23 regression), Chong Yidong, 2009/04/30
Re: Low redisplay performance (23 regression), Tassilo Horn, 2009/04/29
Re: Low redisplay performance (23 regression), Chong Yidong, 2009/04/29
Re: Low redisplay performance (23 regression), YAMAMOTO Mitsuharu, 2009/04/29
Re: Low redisplay performance (23 regression), Chong Yidong, 2009/04/29
Re: Low redisplay performance (23 regression), YAMAMOTO Mitsuharu, 2009/04/30
Re: Low redisplay performance (23 regression), Miles Bader, 2009/04/29