[Beowulf] scaling SPECint_base2000 for harpertown

andrew holway andrew at moonet.co.uk
Wed Nov 21 08:13:09 EST 2007


I recently got SPECint_base2000 figures from intel for harpertown
using low optimisation flags (-O2 -pthread -fPIC). This benchmark is
commonly used in particle physics circles to provide a common base.

I was expecting the numbers to scale pretty much exactly but if you
look at the link below the faster the chip the more SPECint_base2000
you get per GHz.

Is this expected? These are aggregate figures for a dual socket
machine with 1.5GB ram per core.

http://www.moonet.co.uk/2004

Cheers

Andy
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