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RE: Why is cygwin cvs client so slow?
- From: Larry Hall <lh-no-personal-replies-please at cygwin dot com>
- To: "Christopher Warth" <csw at broadcom dot com>, "Cygwin List" <cygwin at cygwin dot com>
- Date: Tue, 04 Jan 2005 22:58:54 -0500
- Subject: RE: Why is cygwin cvs client so slow?
- References: <C5FA6B1CBA6EE2448F459A5B8692E9040178AFD9@nt-sjca-0741.brcm.ad.broadcom.com>
- Reply-to: Cygwin List <cygwin at cygwin dot com>
At 10:51 PM 1/4/2005, you wrote:
>Wow! You're not kidding - cygwin cvs performance is comparable to
>native performance on local drives.
>
>I'm obviously going to look through the archives to see previous
>discussions of network drive performance. In the meantime, do you know
>if the problem is one that just lacked someone willing to work on it, or
>if it is something intractable that would be difficult to fix? I just
>can't imagine what the cygwin dll is doing to treat local drives so
>differently.
>
># I'm on a locale drive now.
>$ pwd
>/cygdrive/c/tmp/src/wl
>
># cygwin cvs is plenty fast on local drives
>$ time cvs-cygwin.exe update -d locale
>real 0m55.282s
>user 0m5.749s
>sys 0m42.937s
>
># 'native' cvs is only slightly faster
>$ time cvs-cyclic.exe update -d locale
>real 0m46.011s
>user 0m0.015s
>sys 0m0.031s
>
Well, that's good to know. The slowdown is due to the POSIX path handling
code. There's more pain with network activity. You're welcome to look at
it though. PTC! :-)
You might find better performance on the remote drive if you mount it and
use '-E'. Then again, it may do nothing for your case.
--
Larry Hall http://www.rfk.com
RFK Partners, Inc. (508) 893-9779 - RFK Office
838 Washington Street (508) 893-9889 - FAX
Holliston, MA 01746
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