Author: Robert Hyatt
Date: 07:36:32 01/03/03
Go up one level in this thread
On January 03, 2003 at 09:59:21, Vincent Diepeveen wrote: >On January 02, 2003 at 21:25:31, Robert Hyatt wrote: > >current crays are 1ghz clocked and have 256K cache too. I haven't seen a "1ghz cray" unless you talk about the cray-3 that was only built in pieces for NCAR. > >16 x 1Ghz = 16Ghz > >If you get 6-7MLN at that, then i do not find that >very impressive when compared to crafty which will >get easily a similar node count and it is as you say >not optimized for Cray. I will say this again. I got 6-7M nodes per second on a T90 with 32 processors, running at just over 2ns per clock cycle (something just under 500mhz for those that must compare with a PC). Not 16ghz. Not any other number you care to pull out of your hat. It would appear that you do not find _anything_ "impressive" unless you do it yourself, or "imagine" that you could do it if you wanted to do so. Talk is cheap, of course. However, so long as you think of microprocessors as "vector machines" I doubt we will _ever_ communicate anything of any merit...
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