Also, in case anyone is curious

24-core Opteron 6164HE 1.7GHz:
"chainspermin" : 29,
    "chainsperday" : 1.67533939,
    "primespersec" : 8389,

32-core Opteron 6274 2.2GHz:
"chainspermin" : 12,
    "chainsperday" : .71721642,
    "primespersec" : 7039,

4-core i7-2600k 3.4GHz:
"chainspermin" : 8,
    "chainsperday" : 0.57826364,
    "primespersec" : 3170,

8-core L5520 2.26GHz:
"chainspermin" : 8,
    "chainsperday" : 0.73978522,
    "primespersec" : 3628,

8-core L5420 2.5GHz:
"chainspermin" : 14,
    "chainsperday" : 0.96020906,
    "primespersec" : 3490,

8-core X5355 2.66GHz:
"chainspermin" : 15,
    "chainsperday" : 1.00721642,
    "primespersec" : 3670,

4-core Xeon 5160 3.0GHz:
"chainspermin" : 7,
    "chainsperday" : 0.50713449,
    "primespersec" : 1859,

4-core Xeon 5130 2.0GHz
"chainspermin" : 6,
    "chainsperday" : 0.34404084,
    "primespersec" : 1267,

Core 2 Duo 6300 1.86GHz:
"chainspermin" : 3,
    "chainsperday" : 0.15991434,
    "primespersec" : 587,



All systems running 64-bit HP9