Author: Robert Hyatt
Date: 12:09:29 08/26/05
I just released version 20.0. The only new feature beyond 19.20, is that the book files (*.bin) are now portable. That is, you can build a book on a big-endian architecture, and use it on a little-endian architecture. You can build a book on a 32 bit architecture, and use it on a 64 bit architecture. Etc. This was a sore point with me for quite a while... some systems/compilers make structures multiples of 8 bytes, some multiples of 4, some are big-endian, some are little-endian. In the 2004 WCCC blitz tournament, I gave peter a book that was made on my 32 bit systems, which produced some bizarre stuff on the 64 bit opteron. I decided to fix that. 20.1 will be out as soon as I get all the bit renumbering done. Nothing new other than a very slight expected speedup due to the removal of the 63 - bit# translation required between the Intel BSF/BSR and the Cray LEADZ bit numbering schemes... 20.2 and beyond are a planned complete revision of the Evaluation, but these changes will not be released publicly until after the next WCCC event...
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