Author: Andreas Guettinger
Date: 00:29:21 02/18/04
Go up one level in this thread
On February 17, 2004 at 22:37:32, Frank E. Oldham wrote:
>machine is dual 2GHz Powermac G5
>
>wit default hash, here's results for 1 and 2 cpus
>
>=============================================
>Crafty v19.10 (1 cpus)
>
>White(1): bench
>...Total nodes: 89942714
>Raw nodes per second: 1249204
>Total elapsed time: 72
>SMP time-to-ply measurement: 8.888889
>=============================================
>Crafty v19.10 (1 cpus)
>
>White(1): mt=2
>max threads set to 2
>White(1): bench
>...
>Total nodes: 83479388
>Raw nodes per second: 2455276
>Total elapsed time: 34
>SMP time-to-ply measurement: 18.823529
>=============================================
>
>extra gcc options:
>-mcpu=G5 -mtune=G5 -mpowerpc64 -ffast-math \
>-fstrict-aliasing -fsched-interblock -fomit-frame-pointer \
>-falign-loops=16 -falign-jumps=16 -falign-labels=16 -falign-functions=16
>-malign-natural \
>-fasm-blocks' \
>
>uses assembly language FirstOne and LastOne;
>for example,
> square = FirstOne(temp)
>becomes
> asm("cntlzd %0, %1" : "=r" (square) : "r" (temp));
>and
> from = LastOne(piecebd);
>becomes
> asm("cntlzd %0, %1" : "=r" (from) : "r" (piecebd ^ (piecebd - 1)));
>
>
>Frank
Nice NPS. :)
Do these FirstOne() LastOne() also work on a G4?
regards
Andy
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