Pentium IV Xeon memory bandwidth. Any experience?
guignon at artabel.net
Tue Jun 26 02:49:48 PDT 2001
Sorry Greg, I forgot to reply in the beowulf list too.
Le Lundi 25 Juin 2001 17:39, vous avez écrit :
> On Mon, Jun 25, 2001 at 02:19:15PM +0200, Thomas Guignon wrote:
> > We have tested and 1.2 Ghz with PC2100 DDR with Level 1 Blas and results
> > are quite nice:
> > -dnrm2: (one vector read)
> > 1450 10^6 B/s
> > -ddot: (two vector read)
> > 1040 10^6 B/s
> > -daxpy (one vector read and one vector read/write)
> > 1150 10^6 B/s
> > - copy (one vector read and one vector write)
> > 990 10^6 B/s
> These numbers look like they are for vectors that fit into cache.
the vectors are 1 000 000 doubles so they does not fit into cache
the motherboard is a FIC DA11 (AMD 760)
> What does the STREAM benchmark report for this board? I bet it's
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