Author: Mike Hood
Date: 23:43:35 12/11/03
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On December 11, 2003 at 23:13:10, Robert Hyatt wrote: >On December 11, 2003 at 23:04:27, Richard Sutherland wrote: > >>On December 11, 2003 at 19:40:06, Luis Smith wrote: >>> >>>The way understand, but I may be wrong, is that the 6 peice tablebase files from >>>Hyatt's site are a new format and not useable by any chess engine yet. >> >> >> >> >>That's interesting but begs the question: "What's the point"? > >egtb.cpp has changed. As programs use the new code, they will access the >new tables. Until then, no cigar... The files are getting bigger. To >access them requires new code. The "problem", as I see it, is that Windows is a 32-bit operating system, and a 32-bit address can only access files up to 2 gigabytes in size. Some of the 6-piece tablebases contain files larger than that, so they have to be divided into smaller chunks to be used in Windows. Just one small question, just out of intellectual curiosity: some time down the line, a few years from now, 64-bit operating systems might become standard. If we wanted to revert to the old format, would it be easily possible to convert the tablebases? Would it be a simple file concatenation to turn the multi-part files into one mammoth file?
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