Re: [Linux-ia64] VHPT performance

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2002-03-08 19:12:31
>>>>> 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
Received on Fri Mar 08 00:14:04 2002

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