Author: Andreas Guettinger
Date: 01:40:33 08/27/05
Go up one level in this thread
On August 26, 2005 at 20:32:16, Robert Hyatt wrote: >On August 26, 2005 at 18:11:39, Andreas Guettinger wrote: > >>On August 26, 2005 at 15:32:08, Robert Hyatt wrote: >> >>>On August 26, 2005 at 15:26:27, Andreas Guettinger wrote: >>> >>>>On August 26, 2005 at 15:09:29, Robert Hyatt wrote: >>>> >>>>>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... >>>> >>>>Does this mean we should download a new book.bin file too? >>>> >>>>regards >>>>Andy >>> >>> >>>No. The "standard format" is the x86 book.bin, which is what everyone has >>>always downloaded from my web site. If you are running on anything other than a >>>32 bit X86 architecture, you had to build a book.bin for that architecture. You >>>now need to either download the "standard format" or else build a new one, which >>>will be in standard format automatically. >> >>Strange. If I remember correctly I downloaded the book.bin file from your ftp >>some time ago and used it all the time with crafty19.19 on my amd64 system. Are >>you sure its not the x86_64 version? > > >Were you running a 64 bit operating system? And a version of crafty compiled >for 64 bits? That's where the rub comes in. And, in fact, the book will appear >to "sorta work" but most of the possible moves are not available. Oh. I didn't think about that. I thought it would crash or not recognize the book at all. But it "sorta worked" at least. :) Yes, I'm running on a 64bit linux system and compiling with linux-amd64. As I wrote in my other answer, I built my own book now with crafty-20.0, which was not possible for me on previous versions, because of a segmentation fault at the very end of the merging process. Something else. What are these .gcda files that can't be found during compiling? Seems to be triggered by -fbranch-probabilities. Andy
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