Author: Rajen Gupta
Date: 05:21:53 10/19/99
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On October 18, 1999 at 21:38:14, Ray MacFadyen wrote: >In an australian magazine there is a story about the new Powermac G4,it says it >is a 128 bit machine that can calculate one billion floating calculations per >second and is reported to outperform the pentium 3 600 by roughly three times. >Does anyone know anything about this machine,would it be three times as fast for >chess programs. >My next question is slightly off topic,I hope no one is offended,in australia >3 months ago 64 megs of sdram was $80,it has now risen to $250,an increase of >over 3x,is this happening in the rest of the world and if so what is the reason >for it. >Hope someone can answer these questions. >Ray MacFadyen Reply:the new mac processors have what are called altivec instructions (analogous to the Piii -SIMD and AMD -3d now instructions)if you have software written to take advantage of these you could a tremendous speedup, otherwise not.so far only some graphic applications can benefir from these. Memory prices have gone through the roof but sit tight , in a few months they'll be right down again. rajen
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