Mail Archives: cygwin/2007/11/23/12:33:38
On Fri, Nov 23, 2007 at 05:04:38PM -0000, Thorsten Kampe wrote:
>* Christopher Faylor (Fri, 23 Nov 2007 11:25:50 -0500)
>> On Thu, Nov 22, 2007 at 06:05:49PM -0000, Thorsten Kampe wrote:
>> >* Corinna Vinschen (Thu, 22 Nov 2007 16:42:10 +0100)
>> >> ==== CYGWIN THANKSGIVING EDITION ====
>> >>
>> >> I've made the new version of the Cygwin DLL, 1.5.25-1, and associated
>> >> utilities available for testing. Version 1.5.24-2 remains the current
>> >> version for now.
>> >>
>> >> This is a bug fix release. Important changes since 1.5.24-2:
>> >
>> >Unfortunately the changes that made rsync run about 2 - 6 times faster
>> >[1] (on a backup of about 100,000 files residing on a FAT32 volume)
>> >didn't make it into the prelease.
>> >
>> >The first snapshot that exhibited the stunning increase was the
>> >snapshot from 2007-08-02 and the last one was the snapshot from 2007-
>> >08-13.
>> >
>> >[1] http://thread.gmane.org/gmane.os.cygwin/91350/focus=91509
>>
>> So, does this mean that the snapshot was faster and then it wasn't?
>
>Yes, all the snapshots between 2007-08-02 and 2007-08-13 were much
>faster. You remarked "does rsync use pipes by any chance? If so, that
>may be at least part of the reason since that code has been revamped."
Yes. I read and recall my comments. Since I didn't remove any of the
pipe code, if it is now slower, then I don't understand what caused the
slowdown.
cgf
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