[Beowulf] Woodcrest Memory bandwidth

Mikhail Kuzminsky kus at free.net
Tue Aug 15 14:24:11 EDT 2006


The best pathscale fortran stream results for Opteron, at least for 1 
core, about 1 year ago were obtained for 
-CG:use_prefetchnta -LNO:prefetch_ahead=4 -O3 -mp
keys of compilation. 
May be there is some sense to play w/this parameters for Woodcrest 
also ?

Yours
Mikhail Kuzminsky
Zelinsky Institute of Organic Chemistry
Moscow
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