Cygwin Performance and stat()
Larry Hall (Cygwin)
reply-to-list-only-lh@cygwin.com
Fri Jun 4 16:54:00 GMT 2010
On 6/4/2010 12:37 PM, Christopher Wingert wrote:
> So here is an example of a performance gain by not using cygwin stat(). I
> did this patch in about an hour (with the help of some git code), so I
> wouldn't recommend it for any production use.
>
> On a dry run rsync from my local drive to my NAS (105GB, 34k files, 4k
> directories). The current release cygwin rsync did it in [36m:43s], with
> the patch (below) applied, it dropped to [04m:48s].
But your patch only does a portion of the work that stat() is supposed to
do. I don't think there's any question that ignoring the need to fill in
certain stat fields will save time. But that's not really a workable
alternative either, if that's what you're implying.
--
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?
--
Problem reports: http://cygwin.com/problems.html
FAQ: http://cygwin.com/faq/
Documentation: http://cygwin.com/docs.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
More information about the Cygwin
mailing list