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Re: 1.3.1 *is* slower
- To: cygwin-developers at cygwin dot com
- Subject: Re: 1.3.1 *is* slower
- From: Christopher Faylor <cgf at redhat dot com>
- Date: Mon, 7 May 2001 15:43:51 -0400
- References: <20010427160641.A11039@redhat.com> <3AF6E177.42A39A64@yahoo.com>
- Reply-To: cygwin-developers at cygwin dot com
On Mon, May 07, 2001 at 01:55:03PM -0400, Earnie Boyd wrote:
>Christopher Faylor wrote:
>>
>> It is true that 1.3.1 is slower than 1.1.8. I benchmarked it on my NT 2K
>> dual processor 300MHZ system.
>>
>> A config.status --recheck in my gdb build directory takes a minute 1 second
>> with 1.3.1, 52 seconds with 1.1.8, and 48 seconds with 1.1.5.
>>
>> Not a very encouraging trend.
>>
>> Anybody have any ideas? This is usually a sign of an extra disk open somewhere
>> but I don't see anything obvious.
>>
>
>Hey Chris, what do your timings give you now? Just curious if my
>strrchr patch improved it.
As I mentioned, I'm working on an asm version of strrchr to complement the asm version
of strchr. The timings show something like a 5 - 6% improvement with the asm version.
I haven't tried with the newlib version.
I'm very glad that you found this bottleneck.
cgf