Author: Ernst A. Heinz
Date: 05:53:53 06/05/98
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On June 05, 1998 at 07:19:35, Guido Schimmels wrote: >I've heard, the latest Alpha chip has an enhanced instruction set >including a new FindBit()-instruction that can find the LSB of a word. >The new chip is so fast already, but this new instruction should >make crafty fly :-) >Bob, some nps figures available for the new machines, I hope soon ? The new Alpha-21264 does not only have find-bit instructions but also population-count instructions. Digital originally added both because of a request from Cray Research for their T3x line of massively parallel supercomputers. Cray's long-standing customers are simply used to have these instructions but now that SGI owns Cray no outsider knows if any Alpha-21264 will ever make it into a T3x ... BTW, we have been waiting to get our hands on a Alpha-21264 for roughly a year because "DarkThought" will hopefully speed up as much on them as "Crafty". =Ernst=
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