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
next prev parent 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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