Author: Ingo Bauer
Date: 12:30:15 01/16/06
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On January 16, 2006 at 15:24:39, Andreas Guettinger wrote: >On January 16, 2006 at 14:27:57, Albert Silver wrote: > >>On January 16, 2006 at 14:02:04, George Sobala wrote: >> >>>On ICC right now: >>> >>>Rybka 1.01 Beta 10d 32-bit on a (mere) Pentium M 1.6GHz (Fishlet) >>>v >>>Deep Shredder on an Apple Quad 4x2.5GHz (Redshift) >> >>Could you give an idea as to what this might be equivalent to for a WinBox? In >>other words, would this be as fast as Deep Shredder running on an Athlon 4800+X2 >>and the like? Faster? Slower? >> >> Albert >> > >By calculation it would be equal to 7.5 Ghz of a Athlon64 or Opteron box (for >Chess), because the 2.5 Ghz PowerPC G5 is 0.75 times as fast as a Athlon64 3400 >2.4 Ghz. >I don't know what the Ghz of a Athlon 4800. It would be similar as 1 x 7.5 Ghz, >2x 3.75 or quad 1.9 Ghz for multithreading. I operated Shredder at the IPCCC in Paderborn on a Quad Mac with 2.5 GHz. We calculated that it is as fast as an Quad Opteron at 2.5 GHz (+/- 10%). A single G5 is slower than a single Opteron (for chess!) but the speedup for 4 CPUs seems to be better. The overall result is about equal. Btw: Seeing it that way a quad Mac is one of the cheapest available systems with that much "chess calculating power"! Bye Ingo
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