Author: Jeremiah Penery
Date: 10:50:24 10/13/02
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On October 13, 2002 at 13:19:34, Peter Berger wrote: >On October 13, 2002 at 12:00:39, Andrew Williams wrote: > >>Several people asked: >> >>Question: What does "12(6)" mean in Deep Blue's logs? >> >>Dr Hsu said, "12(6) means 12 plies of brute force (not counting the search >>extensions & quiescence). 6 means the maximum hardware search depth allowed. >>this means that the PV could be up to 6 plies deeper before quiescence." >> >>Unfortunately questions were being fed through a third-party, so it wasn't >>possible to get a follow-up. >> >>Andrew > >How about this one? > >EeEk(* DM) kiebitzt: kib question from ardee: Does "12(6)" mean 12 total ply or >12+6=18 total ply? This has the been source of huge arguments for years! >CrazyBird(DM) kiebitzt: 12 total in terms of brute force. 6 is just the max >partition in hardware. > >This one sounds pretty clear to me. I still don't think that's very clear. What does he mean by 'brute force'? The other answer to that question[1] implies that 12 is the software depth, and the hardware could add a maximum of 6 plies, not counting quiescence. If not, then it's still impossible to explain a number like 4(5), which comes up more than once in the logs. [1] - Dr Hsu said, "12(6) means 12 plies of brute force (not counting the search extensions & quiescence). 6 means the maximum hardware search depth allowed. this means that the PV could be up to 6 plies deeper before quiescence."
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