What about 8 core Operton Linux 64bit?
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I just listed what I got and have tested. cpuminer runs a almost full copy on each core, so you should have between 70-120/Khs * 8. Just a guess, you're mileage may very. More cores more faster.


The "JH" section really needs to be updated with an AVX version, which unfortunatly will just be for Haswell, Bulldozer, Piledriver and newer chips. Half of the time is spent currently in the jhF8 function which is coded for SSE2 emmintrin. AVX can more than double that speed for an estimated 25% gain again.

The "Groestl" section is optimized assembly found at the NIST competition site, has the fastest startup which is important when only hashing block headers. Sure there are faster implementations for "big" data, but it's the fastest for quick startup for one run.