[PATCH]: fdalloc optimization
andre at freebsd.org
Mon Aug 22 11:12:25 GMT 2005
Poul-Henning Kamp wrote:
> In message <20050822083320.GA32668 at stud.fit.vutbr.cz>, Divacky Roman writes:
>> N Min Max Median Avg Stddev
>>x 100 39957 959570 41444 87169.69 201011.84
>>+ 100 37786 962107 38766 66353.09 158258.74
>>No difference proven at 95.0% confidence
>>anyway - commenting out duplicate code MUST speed it up, maybe insignificantly
>>but still ;)
> It used to be that life was that simple, but with three levels of caches and
> deep pipelines it isn't anymore.
> But taken from the other side: you can also read this as your patch does no
> damage to performance, so if code clarity is improved (havn't looked at your
> patch myself) then that would be another good reason.
Danfe posted about some DFBSD work in that area an hour ago.
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