Author: Robert Hyatt
Date: 19:17:58 12/30/02
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On December 30, 2002 at 19:25:09, Vincent Diepeveen wrote: >On December 30, 2002 at 13:34:31, Frank Phillips wrote: > >>On December 30, 2002 at 11:33:18, Vincent Diepeveen wrote: >> >>>On December 30, 2002 at 05:26:32, Graham Laight wrote: >>> >>>>See http://www.talkchess.com/forums/2/message.html?54285 in the other forum. >>>> >>>>-g >>> >>>it is vector CPU's. Not comparable with cpu's that do things like computerchess >>>at all. So for computerchess that machine isn't that fast at all. >> >>Wasn't the Cray a vector machine? Running Cray Blitz by Hyatt et al. > >Yes. 16 processors in total got him to about 500k nodes a second. > >I do not know what Mhz Cray Blitz ran on. But probably Hyatt can enlighten >us about it. > >However for matrix calculations and such that Cray was >considerably faster than it was for Cray Blitz. > >Then you'll see the Cray didn't do that impressive for each >Mhz whereas it was a lot more impressive for vector processing. > >Compare both Mhz of todays x86 with the Cray times 16 back then >and the vector power versus todays x86 and you'll know what we are >speaking about. > >Best regards, >Vincent Nope. 32 processors got me to about 7M nodes per second, on the T932. All reported here in the past of course... That was a machine running at < 1ghz per processor
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