From: "Guerreiro da Luz" <g.da.luz@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: decrease L2 cache size used by Linux?
Date: Fri, 16 Mar 2007 17:13:08 +0100 [thread overview]
Message-ID: <25db37b80703160913y1d30f16dw5d5e8f37ff03a8d4@mail.gmail.com> (raw)
Am benchmarking dumb matrix multiplication in trying to perceive
performance drop in case when matrix cannot fit in L2 cache. However,
on my machine L2 cache is large - 2MB, so 512x512 matrix of double
numbers is needed to fill the cache, and in that case multiplication
is taking rather long time. So I'm wondering is there a way to
control (decrease) L2 cache size used by Linux? Apologies if question
inappropriate for the list.
Thanks.
next reply other threads:[~2007-03-16 16:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-16 16:13 Guerreiro da Luz [this message]
2007-03-16 17:28 ` Alan Cox
2007-03-16 21:55 Al Boldi
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