New Multi-Threaded Pi Program - Faster than SuperPi and PiFast

[spdycpu]

My friend Enrico's Skulltrail @ 4GHz, x64 SSE3 binary:

Processor(s):   Intel(R) Core(TM)2 Extreme CPU X9775 @ 3.20GHz
CPU Frequency:  4,009,000,620 Hz
Thread(s):      8
Digits:         25,000,000
Total Time:     8.46125 seconds
Checksum:       e0c2395f9cedb2cd078cc7e1a753a271

Processor(s):   Intel(R) Core(TM)2 Extreme CPU X9775 @ 3.20GHz
CPU Frequency:  4,009,000,680 Hz
Thread(s):      8
Digits:         50,000,000
Total Time:     17.6719 seconds
Checksum:       2a7b61201ec1133f0bf910993d572693

Processor(s):   Intel(R) Core(TM)2 Extreme CPU X9775 @ 3.20GHz
CPU Frequency:  4,009,000,570 Hz
Thread(s):      8
Digits:         100,000,000
Total Time:     38.1509 seconds
Checksum:       5fab3fc8b275752d0ce14e10b88bc617

Processor(s):   Intel(R) Core(TM)2 Extreme CPU X9775 @ 3.20GHz
CPU Frequency:  4,009,000,550 Hz
Thread(s):      8
Digits:         250,000,000
Total Time:     105.08 seconds
Checksum:       ed26d0a3c5620dd5042fbefa92506d3b

Processor(s):   Intel(R) Core(TM)2 Extreme CPU X9775 @ 3.20GHz
CPU Frequency:  4,009,000,530 Hz
Thread(s):      8
Digits:         500,000,000
Total Time:     230.542 seconds
Checksum:       af68ed11dfd79cd01882c8b6765d693a

Processor(s):   Intel(R) Core(TM)2 Extreme CPU X9775 @ 3.20GHz
CPU Frequency:  4,009,000,640 Hz
Thread(s):      8
Digits:         1,000,000,000
Total Time:     505.422 seconds
Checksum:       c4db0eeb8672859b0943e397d0997215