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From: "Jeff V. Merkey" <jmerkey@wolfmountaingroup.com>
To: Alan <alan@lxorguk.ukuu.org.uk>
Cc: Bob <spam@homeurl.co.uk>, linux-kernel@vger.kernel.org
Subject: Re: Need to enable caches in SMP ? (was Kernel 2.6 SMP very slow with ServerWorks LE Chipset)
Date: Thu, 14 Dec 2006 10:29:33 -0700	[thread overview]
Message-ID: <458189FD.2080805@wolfmountaingroup.com> (raw)
In-Reply-To: <20061214110324.780b4bf0@localhost.localdomain>

Alan wrote:

>>As per Alan's suggestion I decompressed the kernel source tree with the 
>>processes pegged to one CPU then the other, and as he predicted it took 
>>vastly longer on one CPU than the other, but I don't know what that 
>>implies, or how to fix it.
>>    
>>
>
>>From the timing it sounds like one processor cache is disabled which is a
>little peculiar to say the least.
>
>Alan
>-
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enable the L1 cache in the processor. BIOS settings, no doubt.

Jeff

  reply	other threads:[~2006-12-14 17:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-07  5:43 Kernel 2.6 SMP very slow with ServerWorks LE Chipset Bob
2006-12-07 11:07 ` Alan
2006-12-08  5:34   ` Bob
2006-12-07 11:15 ` Arjan van de Ven
2006-12-08  5:50   ` Bob
2006-12-14  3:09 ` Bob
2006-12-14 11:03   ` Need to enable caches in SMP ? (was Kernel 2.6 SMP very slow with ServerWorks LE Chipset) Alan
2006-12-14 17:29     ` Jeff V. Merkey [this message]
2006-12-15 11:05       ` Bob

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