From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] VHPT performance
Date: Fri, 08 Mar 2002 08:12:31 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590701905239@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905139@msgid-missing>
>>>>> On Fri, 08 Mar 2002 08:50:15 +0100, Christian Hildner <christian.hildner@hob.de> said:
Christian> Could you please try with my test program to verify what
Christian> I found (compile with -O). The pointer increment is half
Christian> the page size, so TLB hit and TLB miss are changing.
I think it's your program: I suspect you're measuring cache misses
more than anything else. Try touching a set of pages repeatedly and
try to touch different words, such that there are no cache misses.
--david
next prev parent reply other threads:[~2002-03-08 8:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-20 12:21 [Linux-ia64] VHPT performance Christian Hildner
2002-02-20 17:02 ` Michael Madore
2002-02-20 17:34 ` David Mosberger
2002-02-22 11:35 ` Christian Hildner
2002-02-22 16:58 ` David Mosberger
2002-02-28 8:06 ` Christian Hildner
2002-03-01 2:32 ` David Mosberger
2002-03-08 7:50 ` Christian Hildner
2002-03-08 8:12 ` David Mosberger [this message]
2002-03-08 10:26 ` Christian Hildner
2002-03-08 17:31 ` David Mosberger
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