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Date: Tue, 18 Oct 2011 16:00:48 +0300
From: Andriy Gapon <avg@FreeBSD.org>
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To: Ivan Klymenko <fidaj@ukr.net>
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Cc: freebsd-performance@FreeBSD.org
Subject: Re: ffmpeg & ULE
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on 18/10/2011 14:30 Ivan Klymenko said the following:
> В Tue, 18 Oct 2011 12:04:36 +0300
> Urmas Lett <urmas.lett@eenet.ee> пишет:
> 
>> Hello.
>>
>> Why is ffmpeg -threads massively slower with ULE than 4BSD?
>>
>> ffmpeg preset veryfast with sched_bsd:
>> real    1m49.407s
>> user    6m53.932s
>> sys     0m1.700s
>>
>> ffmpeg preset veryfast with sched_ule:
>> real    2m52.711s
>> user    6m50.310s
>> sys     0m1.582s
>>
>> #uname -a
>> FreeBSD 9.0-RC1 FreeBSD 9.0-RC1 #0: Mon Oct 17 20:32:29 EEST
>>
>>
> 
> probably because you have a system processor with 2 cores...?
> if yes - then use the 4BSD...it is better for the two cores... IMHO

Do you have any facts to substantiate your claim?

-- 
Andriy Gapon