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Date: Fri, 4 Jun 2010 14:19:14 -0700
Subject: Re: Cygwin Performance and stat()
From: "Christopher Wingert" <mailbox AT wingert DOT org>
To: cygwin AT cygwin DOT com
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See further down the thread, the right solution is to impact ALL cygwin
executables, but I don't have the experience in the dll to make those
changes.


> On 6/4/2010 2:20 PM, Christopher Faylor wrote:
>>> "But providing a variant of stat() along the lines of what you propose
>>> above is not practical for all the reasons already stated."
>> This is not something that I said.  That was actually Larry Hall.
>
> Heh.  Who needs him anyway!
>
> Just to clarify, this comment was in response to Chris Wingerts' assertion
> (<http://cygwin.com/ml/cygwin/2010-06/msg00033.html>) that it would be
> worthwhile to provide some kind of switch to selectively disable the
> expensive parts of stat().  And my point was that this had already been
> discounted as a transparent way of addressing the performance problem
> because it would still be up to the user or application to determine when
> to make this trade-off
> (<http://cygwin.com/ml/cygwin/2010-05/msg00751.html>).
> This is the same conclusion Chris Wingert has now come to as well and
> stated
> in <http://cygwin.com/ml/cygwin/2010-06/msg00121.html>:
>
>    All that being said, I think the best solution is not to optimize the
> dll
>    stat(), but to do it at the executable level.  I see that Cygwin
> already
>    has some level of patches at this level, it shouldn't be too difficult
> to
>    support.
>
> So we're all back on the same page now. :-)
>
> --
> Larry Hall                              http://www.rfk.com
> RFK Partners, Inc.                      (508) 893-9779 - RFK Office
> 216 Dalton Rd.                          (508) 893-9889 - FAX
> Holliston, MA 01746
>
> _____________________________________________________________________
>
> A: Yes.
>> Q: Are you sure?
>>> A: Because it reverses the logical flow of conversation.
>>>> Q: Why is top posting annoying in email?
>
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