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Old 26th August 2010, 17:55   #1
Madshrimp
 
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Default VIA Nano CPUID Tricks

Intel compiler and libraries often work suspiciously slow on processors from other vendors. The matter is that generated code has multiple versions of the most critical parts optimized for specific architectures and instruction sets. There's also a dispatcher that selects the needed code path. Thanks to Agner Fog, who has found out how to change the CPUID data of the VIA Nano processor, we now can conduct an independent "fairness" test and see what's going on.

http://ixbtlabs.com/articles3/cpu/vi...d-fake-p1.html
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