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From: | Paul F. Dietz |
Subject: | Re: [Gcl-devel] Boyer benchmark results |
Date: | Mon, 21 Jun 2004 20:02:11 -0500 |
User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7) Gecko/20040514 |
Camm Maguire wrote:
5) Paul, I was also a bit concerned with the posted results when you indicated that the clisp/cmucl ration should be 10x. I just thought it worth noting that Peter gets 6.2x below, and with my rerun results without the printing I get 4.2x. My machine is a dual 2.4Ghz Intel Xeon, and I'm wondering if we are seeing effects of differing memory bandwidths.
I'd make a small wager that the problem is cache. The Xeon has a really big L3 cache, doesn't it? And I bet Boyer fits entirely within it. That could affect the results quite substantially. Paul
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