Re: [Gcl-devel] Boyer benchmark results

[Paul F. Dietz]

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