j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckMá<div class="post"><div class="quoteheader"><a href="https://bitcointalk.org/index.php?topic=501.msg4995#msg4995">Quote from: Olipro on July 22, 2010, 09:49:07 AM</a></div><div class="quote">OK, I've made a new EXE, this one seems to get me an extra 100-200k (or about 25-50k per core).<br/><br/>Difference? I modified the ByteSwap function to operate on 64-bit integers; it does this by using the bswap intrinsic on a 64 bit register followed by rotate right through 32 bits to put the result in the correct order. it also initializes the SHA256 vectors using unsigned 64 bit values (however, the actual hashing still uses 32-bit so I doubt this is making much of a difference) and yes, I did convert the 32 bit numbers to 64 bit correctly (i.e. 0x12345678UL 0xabcdef0UL -> 0xabcdef012345678ULL) if that appears wrong to you, think about how little endian machines store 32 bit integers in memory.<br/><br/>anyway, <span style="font-size: 20pt !important; line-height: 1.3em;"><a href="http://www.4shared.com/file/iHQA_p96/Bitcoin_Intel_x64_tweaked.html">grab it here</a></span><br/></div>I'll give this one a run, the last build would crash randomly after a few hours <img alt="Wink" border="0" src="/static/img/emoticons/wink.gif"/></div> text/html
https://whatsonchain.com/tx/1de53c2f910e3dbb8a76ae7e1462c08c11f4efc31db09ec9e2a6a3cccd2ac0c0