Quote from: satoshi on October 03, 2010, 06:17:06 PM
Do all AMDs that support 64-bit have the better SSE2 hardware also?
Old AMD Sempron 64 does not have the good sse2 speed. This one should stay with -4way=0
CPUID 444d4163 family 15, model 44, stepping 2, fUseSSE2=0