Pentium IV Xeon memory bandwidth. Any experience?

Greg Lindahl lindahl at
Mon Jun 25 09:46:17 PDT 2001

> This doesn't use the Athlon prefetch, though.  This might be responsible
> for the higher numbers seen above.

I don't think so. The Athlon prefetch is probably just SSE
instructions. You can get a couple of compilers that do that
optimization, the Intel compiler, and the PGI compiler. I've never
seen a prefetch have that much effect on stream.

-- g

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