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Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow
From: |
Eli Zaretskii |
Subject: |
Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows) |
Date: |
Thu, 09 Jul 2009 08:56:33 -0400 |
> From: Mathias Dahl <address@hidden>
> Date: Wed, 8 Jul 2009 22:47:37 +0200
> Cc: address@hidden
>
> > First, I don't see a ~100-fold slowdown, I see only a 10-fold slowdown
> > (vs Emacs 22.3). This is with a directory that has ~130
> > subdirectories.
To clarify, I see 1 sec with Emacs 22.3, and 10 to 11 seconds with
Emacs 23.0.95.
> The more files there are, the bigger the slowdown seems to be, in my tests.
Can you see if it's approximately linear in the number of files?
> > . Do you see significant difference in speed with cold and hot cache?
> > That is, if you run Dired on the above directory, then kill the
> > Dired buffer and immediately run Dired again on the same directory,
> > what times do you see then in Emacs 23?
>
> Hehe, it got even worse the second time :)
That's somewhat strange. For me, the second time is very fast: 3-4
seconds instead of 11.
> > . Does it help to set w32-get-true-file-attributes to nil?
>
> Woooo! Um, yes... It helped all right. From 85 (first try) and 115
> (second try as per reuest above), down to 1,4 s. Shall we call that as
> success? :)
Yes, probably. I will send a patch today or tomorrow for you to try.
Thanks.
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), (continued)
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), David Kastrup, 2009/07/15
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), Haojun Bao, 2009/07/14
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), Stefan Monnier, 2009/07/14
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), Eli Zaretskii, 2009/07/14
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), Eli Zaretskii, 2009/07/09
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), Eli Zaretskii, 2009/07/09
- Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows),
Eli Zaretskii <=
Re: Willing to debug bug #3542 (23.0.94; File access via UNC path slow again under Windows), Chong Yidong, 2009/07/06