From: "H. Peter Anvin" <hpa@zytor.com>
To: for.poige+linux@gmail.com
Cc: linux-raid@vger.kernel.org
Subject: Re: raid6's using not the best bandwidth method && raid6 algo is significantly slower in x86_64.
Date: Fri, 05 Dec 2008 09:34:06 -0800 [thread overview]
Message-ID: <4939660E.90803@zytor.com> (raw)
In-Reply-To: <43d009740812050536k2e03826gb308021273e69896@mail.gmail.com>
Igor Podlesny wrote:
> 2008/11/22 Igor Podlesny <for.poige+linux@gmail.com>:
>> 2008/11/22 H. Peter Anvin <hpa@zytor.com>:
>> [...]
>>>> Please let us know when commiting the patch -- 20 % is valuable.
>>>> ;-)
>>>>
>>> Looks like I was a bit too optimistic. The 20% was because of the missed
>>> prefetchnta, which means polluting the cache.
>>>
>>> -hpa
>> Well, whatever it gives unless it's a regression. :-)
>
> Hi! Any news?
>
No.
-hpa
next prev parent reply other threads:[~2008-12-05 17:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-17 22:35 raid6's using not the best bandwidth method && raid6 algo is significantly slower in x86_64 H. Peter Anvin
2008-11-18 12:03 ` Igor Podlesny
2008-11-18 15:47 ` H. Peter Anvin
2008-11-21 19:22 ` Igor Podlesny
2008-11-21 19:31 ` H. Peter Anvin
2008-11-21 19:33 ` Igor Podlesny
2008-11-21 20:15 ` H. Peter Anvin
2008-11-22 5:40 ` Igor Podlesny
2008-11-22 5:42 ` H. Peter Anvin
2008-11-22 5:45 ` Igor Podlesny
2008-11-23 1:12 ` John Robinson
2008-12-05 13:36 ` Igor Podlesny
2008-12-05 17:34 ` H. Peter Anvin [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-11-16 16:18 Igor Podlesny
2008-11-17 0:36 ` H. Peter Anvin
2008-11-17 20:56 ` Igor Podlesny
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