The simplification is intentional. There will only be more than one thash[7]=0 in one out of 134,217,728 cases. It only makes it 0.0000007% slower.
Re: tcatm's 4-way SSE2 for Linux 32/64-bit is in 0.3.10
Participants: Satoshi Nakamoto
The simplification is intentional. There will only be more than one thash[7]=0 in one out of 134,217,728 cases. It only makes it 0.0000007% slower.