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From: Dave Jones <davej@codemonkey.org.uk>
To: Andi Kleen <ak@suse.de>
Cc: Margit Schubert-While <margit@margit.com>, linux-kernel@vger.kernel.org
Subject: Re: L1_CACHE_SHIFT value for P4 ?
Date: Thu, 21 Nov 2002 13:23:02 +0000	[thread overview]
Message-ID: <20021121132302.GD9883@suse.de> (raw)
In-Reply-To: <p73y97nt6fp.fsf@oldwotan.suse.de>

On Thu, Nov 21, 2002 at 02:10:02PM +0100, Andi Kleen wrote:

 > The P4 has 128byte L2 cache lines (2^7). The L1 apparently has smaller lines.

Not mine:

L2 unified cache:
	Size: 512KB	Sectored, 8-way associative.
	line size=64 bytes.

Someone (Manfred?) pointed out a chapter in the P4 system programmer guide about
this last time I brought it up. I forget the reasoning, I'll see if I can dig it out..

		Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs

  reply	other threads:[~2002-11-21 13:17 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4.3.2.7.2.20021121130236.00b15370@mail.dns-host.com.suse.lists.linux.kernel>
2002-11-21 13:10 ` L1_CACHE_SHIFT value for P4 ? Andi Kleen
2002-11-21 13:23   ` Dave Jones [this message]
2002-11-21 13:42     ` Andi Kleen
2002-11-21 13:47       ` Dave Jones
2002-11-21 15:03     ` Mikael Pettersson
2002-11-21 14:39 Margit Schubert-While
  -- strict thread matches above, loose matches on Subject: below --
2002-11-21 13:25 Margit Schubert-While
2002-11-21 13:30 ` Dave Jones
2002-11-21 12:13 Margit Schubert-While

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