Author: J. Wesley Cleveland
Date: 14:28:48 06/25/02
Go up one level in this thread
On June 25, 2002 at 17:12:31, Robert Hyatt wrote: >On June 25, 2002 at 07:54:35, Vincent Lejeune wrote: > >>On June 25, 2002 at 05:09:04, Adam Oellermann wrote: >> >>... >>>As I understand it, the Power4 blows the doors off Itanium2 for integer >>>performance. So a dual for approx $20000 and a quad for approx $30000 would >>>represent an *immense* amount of chess for your money. Me, I'd love to see >>>Crafty on one of these guys clean up ICC... Of course, while it's dreamtime, IBM >>>have 32-way boxes with 1.4GHz Power4 CPUs >>> >>>Cheers >>>Adam >> >>Bob, would you compare the speed of such computer and the one who run Cray >>Blitz, please ? > > >I don't know much about the power4 speeds yet. The Cray T932 is very fast, >but it gets much of its speed from vector processing, which is something we >spent a _lot_ of time on in Cray Blitz. Crafty on a T932 is not impressively >fast although it is not slow. > >If the PPC4 is faster than itanium2, then it will be very fast indeed, since >a 1Ghz I2 seems to run near 1.5M nodes per second for Crafty... A single processor PPC4 gets a spec2000 rating of 842 on crafty. Not bad ;) http://www.spec.org/osg/cpu2000/results/res2002q2/cpu2000-20020422-01307.html
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