Folding time. Finally?
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February 5, 2013, 11:09 AM
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Originally Posted by
cant even make it properly scare above 16 threads without the use of VM
Actually fah scales extremely efficiently - even on Windows. Up to 64 threads, that is. Now 10 years after 2003 x64 was released, 64 is still the max thread count per processor group on Windows. Honestly, if not for legacy applications, I can't think of a single reason for maintaining a Windows server. But that's another story...
In terms of efficiency, scaling is in the 95%+ range up to about 256 logical processors. Current fahcores struggle with processor counts over 256, but that is only a theoretical problem at this point. The Xeon Phi at 240 threads is as close as current single-node hardware comes to encountering fah's efficiency ceiling.
The main reason why Linux is preferred over Windows is because of the availability of bigadv units. Otherwise, regular SMP units are almost as fast on Windows as they are on Linux (up to 64 threads).
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