Author: Robert Hyatt
Date: 21:13:58 02/18/04
Go up one level in this thread
On February 18, 2004 at 23:36:35, Omid David Tabibi wrote:
>On February 18, 2004 at 10:45:18, Robert Hyatt wrote:
>
>>On February 18, 2004 at 10:32:32, ERIQ wrote:
>>
>>> To all that have try to helped me get crafty running in dual mode under
>>>freebsd, I say thank you. The problem was with freebsd and not with crafty
>>>something was wrong w/ 'lpthread' in 5.2-release but must have been fixed lately
>>>because I upgraded my system to latest sources two days ago and made world and
>>>then every thing worked the way it should have w/ the same makefile I tryed
>>>awhile back!! Thx everyone and thanks again for crafty doc.
>>>
>>> One more question though how can I get it to use both cpus while analysing in
>>>scid database?
>>
>>
>>Note that you are running the benchmark incorrectly. You need to stop and
>>re-start crafty for each run, otherwise stuff in the hash table will make the
>>second search different than the first.
>
>Why don't you clear the hash tables before each position in the benchmark?
>
>
Because I use the normal engine, and I often test successive positions from the
same game where the hash table can be useful...
>>
>>>
>>>system is 2xamdxp 2400-->mp overclocked to 2.1ghz or 2600+ mp w/ 512mb ecc
>>>
>>>{eriq@merlin} ~/Crafty> ./crafty
>>>unable to open book file [./book.bin].
>>>book is disabled
>>>unable to open book file [./books.bin].
>>>
>>>Crafty v19.9 (1 cpus)
>>>
>>>White(1): mt=2
>>>max threads set to 2
>>>White(1): bench
>>>Running benchmark. . .
>>>......
>>>Total nodes: 102338470
>>>Raw nodes per second: 1827472
>>>Total elapsed time: 56
>>>SMP time-to-ply measurement: 11.428571
>>>White(1): mt=1
>>>max threads set to 1
>>>White(1): thread 1 exiting
>>>
>>>White(1): bench
>>>Running benchmark. . .
>>>......
>>>Total nodes: 100409445
>>>Raw nodes per second: 974848
>>>Total elapsed time: 103
>>>SMP time-to-ply measurement: 6.213592
>>>
>>>makefile target:
>>>freebsd:
>>> $(MAKE) target=FreeBSD \
>>> CC=gcc CXX='$(CC)' \
>>> CFLAGS='$(CFLAGS) -fomit-frame-pointer -mcpu=i686 -O3 -Wall' \
>>> CXFLAGS=$(CFLAGS) \
>>> LDFLAGS='$(LDFLAGS) -lpthread'\
>>> opt='$(opt) \
>>> -DUSE_ASSEMBLY -DFAST -DPOSIX -DSMP -DCPUS=2' \
>>> asm=X86.o \
>>> crafty-make
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