Author: Vincent Lejeune
Date: 08:17:40 06/25/02
Go up one level in this thread
On June 25, 2002 at 09:07:27, Vincent Lejeune wrote: >On June 25, 2002 at 08:56:04, Adam Oellermann 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 ? >> >>Surely the differences in the architecture/purpose between a 64-bit SMP Unix box >>and a Cray must fill any honest comparison with weasel words. I am sure there >>are some things which the Cray would do much faster; some the big IBM boxes >>could probably compete. I would ***guess*** that the Cray would run Cray Blitz >>faster, but a 32x1.4GHz Power4 would run Crafty faster; Cray Blitz taking >>advantage of unusual features of the Cray, with Crafty being more suited for >>"general-purpose" computers. >> >>Disclaimer: I've never even seen a Cray up close, and therefore defer to just >>about anyone who might have an opinion on this :) > >My question was a bit unclear, I just would to know the comparison, in >Nodes/secondes between "CrayBlitz on cray" and "Crafty on such machine" :) Some SPEC of the beast : http://www-1.ibm.com/servers/eserver/pseries/hardware/datactr/p690_specs.html http://www-1.ibm.com/servers/eserver/pseries/news/pressreleases/2001/oct/annc_104.html
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