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Re: FW: trying to understand poor performance of make + cygwin on W2K
- From: tprince at ywave dot com
- To: Ken Faiczak <kfaiczak at SANDVINE dot com>,"'cygwin at cygwin dot com'" <cygwin at cygwin dot com>
- Date: Wed, 1 May 2002 10:37:03 US/Pacific
- Subject: Re: FW: trying to understand poor performance of make + cygwin on W2K
>
> I'm trying gain some performance for our build process (cygwin on win2k)
> and have compared it to the same make on linux
>
> If I completely build our tree (about
> then rerun the make from the top it takes 9.5 seconds on linux
>
> if I do the same test on the same machine running
> (machine P3-500 512MB)
> win2k +cygwin 1.3.9 +make (3.79.1)
> it takes 3.5 minutes
>
> so 210 seconds versus 9 seconds.
> all its doing is recursing down the tree, testing the dependancies
> and determining it has nothing to do, so its not compiling anything
> its all make +cygwin, I think (ie no gcc invoked anywhere)
>
> any ideas on what to try?
> is this an issue with the cygwin fork() implementation??
> is this as good as it gets
>
> ken
>
Normally, make runs at least 30% of full speed under cygwin. Are you running
with cygwin installed on a local drive, first on the search path, with your
local drives ahead of network
drives?
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