Author: Mike Byrne
Date: 14:04:49 09/03/04
Go up one level in this thread
On September 03, 2004 at 15:14:49, F. Huber wrote:
>On September 03, 2004 at 14:46:15, David Dahlem wrote:
>
>>On September 03, 2004 at 04:52:09, Kurt Utzinger wrote:
>...
>>>
>>> Crafty (all processor build) compiled by Peter Skinner.
>>> Are the differences worth looking at?
>>> Kurt
>>
>>I don't know. What's your opinion?
>>
>>Dave
>
>Hello Dave,
>
>I´m quite sure that those few +/- % speed-differences of various
>compilations don´t really make a big difference in playing strength.
>
>But some of these compiler-guys are using different Crafty switches
>(e.g. DETECTDRAW, ...), and this _might_ indeed have some influence
>of the playing style of Crafty.
>Really competent informations about switching on/off these features
>could probably only provide Bob Hyatt.
>
>(BTW, I don´t understand why these switches must be given at compile time -
>I would prefer being able to turn them on/off e.g. in ´crafty.rc´ or directly
>in command mode).
>
>Regards,
>Franz.
I agree - that is why in Crafty 19.17 SE (and in 19.15 SE) it is crafty.rc
option
detect on -> turns it on , detect off -> turns it off , it is off by default
one postion that notes a difference is WAC230
D:\Crafty>wcrafty bookpath=d:\book logpath=d:\crafty\log log=on mt=2
EPD Kit revision date: 1996.04.21
max threads set to 2
5 piece tablebase files found
14005kb of RAM used for TB indices and decompression tables
Crafty v19.17 SE [Standard] (2 cpus)
SE code disabled
White(1): easy
pondering disabled.
White(1): learn off
book learning disabled
result learning disabled
position learning disabled
White(1): detect on
White(1): [d]2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - bm Rb4; id
"WAC.23
;
Black(1): st 180
search time set to 180.00.
Black(1): go
time surplus 0.00 time limit 3:00 (3:00)
depth time score variation (1)
starting thread 1
9-> 0.14 -1.15 1. ... Kb5 2. f3 Rh7 3. Ba3 Ka4 4.
Bd6 Bb7 5. Kf4 Kb5 (s=2)
10 0.20 -1.05 1. ... Kb5 2. f3 Rh7 3. Ba3 Ka4 4.
Bd6 Bb7 5. Bc5 Rh5 6. Kf4
10 0.51 -1.10 1. ... Rh7 2. Rb1 Kb5 3. f3 Bb7 4.
Ba3 Rh5 5. Kf4 Ka4 6. Bb2
10-> 0.54 -1.10 1. ... Rh7 2. Rb1 Kb5 3. f3 Bb7 4.
Ba3 Rh5 5. Kf4 Ka4 6. Bb2
11 0.73 -1.14 1. ... Rh7 2. Rb1 Kb5 3. Ba3 Bb7 4.
Kf4 Rh3 5. f3 Rh4+ 6. Ke3 Ka4 7. Bb2
11-> 0.83 -1.14 1. ... Rh7 2. Rb1 Kb5 3. Ba3 Bb7 4.
Kf4 Rh3 5. f3 Rh4+ 6. Ke3 Ka4 7. Bb2
12 0.98 +1 1. ... Rh7
12 1.28 -0.01 1. ... Rh7 2. Rb1 Kb5 3. Ba3 Bb7 4.
f3 Ka4 5. Bb2 Rh5 6. Ra1+ Kb5 7. Kf4
Kb6 8. Kg4
12 2.09 -0.88 1. ... Rf7 2. Ba3 Kb5 3. Rb1 Rf5 4.
Kg4 Rxf2 5. Rb2 Ka4 6. Rxf2 Kxa3 7.
Kg3
12-> 2.53 -0.88 1. ... Rf7 2. Ba3 Kb5 3. Rb1 Rf5 4.
Kg4 Rxf2 5. Rb2 Ka4 6. Rxf2 Kxa3 7.
Kg3 (s=3)
13 2.73 +1 1. ... Rf7
13 3.50 -0.01 1. ... Rf7 2. Ba3 Kb5 3. Rb1 Rf5 4.
f4 Bb7 5. Ra1 Ka4 6. Bb2+ Kb5 7. Kg4
a4 8. Kh4 Rxf4+ 9. Kh3 (s=2)
13 8.58 -0.36 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Ba3 c3 5. Rb1 Kc4 6. Kf4 Kd3 7. Rd1+
Ke2 8. Rc1 Kd3
13-> 9.48 -0.36 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Ba3 c3 5. Rb1 Kc4 6. Kf4 Kd3 7. Rd1+
Ke2 8. Rc1 Kd3
14 12.17 -0.42 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Ba3 c3 5. Rb1 Kc4 6. Rc1 Kd3 7. Rd1+
Kc2 8. Rc1+ Kd2 9. Kf4 Bb7
14-> 15.47 -0.42 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Ba3 c3 5. Rb1 Kc4 6. Rc1 Kd3 7. Rd1+
Kc2 8. Rc1+ Kd2 9. Kf4 Bb7
15 23.26 -0.37 1. ... Rb4 2. cxb4 a4 3. b5+ Kxb5 4.
Ba3 c3 5. Rb1 Kc4 6. Rc1 Kd3 7. Rd1+
Kc2 8. Rc1+ Kd2 9. Kf4 Bb7 10. Rh1
? 15 28.56 4/16* 1. ... Kb5
Black(0): ?
time=29.51 cpu=195% mat=-1 n=38404234 fh=89% nps=1.30M
ext-> chk=1038654 cap=30638 pp=355023 1rep=28509 mate=620
predicted=0 nodes=38404234 evals=3952640 50move=0
endgame tablebase-> probes=0 hits=0
SMP-> split=964 stop=112 data=6/128 cpu=57.76 elap=29.51
Black(1): Rb4
time used: 29.51
White(2): new
parallel threads terminated.
Crafty v19.17 SE [Standard] (2 cpus)
thread 1 exiting
SE code disabled
White(1): detect off
White(1): g
clearing hash tables
book moves {e4, d4, Nf3, c4, g3, b4, f4, b3, Nc3, g4, e3, d3, a
c3, h3, h4, Nh3, f3, Na3, a4}
book 0.0s 33% d4! Nf6
White(1): d4
time used: 0.03
Black(1): 2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - bm Rb4; id "WAC.23
;
Black(1): go
clearing hash tables
time surplus 29.97 time limit 3:00 (3:00)
depth time score variation (1)
starting thread 1
9 0.10 -1.34 1. ... Rh7 2. f3 Rh1 3. Ba3 Ra1 4.
Be7 Ra2 5. Rh2 b2 6. Rh1
9-> 0.11 -1.34 1. ... Rh7 2. f3 Rh1 3. Ba3 Ra1 4.
Be7 Ra2 5. Rh2 b2 6. Rh1
10 0.43 -1.38 1. ... Rh7 2. Kf4 Rh1 3. Ke3 Bb7 4.
f3 Re1+ 5. Kd2 Rg1 6. Be7 Rg2+ 7. Kc1
10-> 0.49 -1.38 1. ... Rh7 2. Kf4 Rh1 3. Ke3 Bb7 4.
f3 Re1+ 5. Kd2 Rg1 6. Be7 Rg2+ 7. Kc1
11 1.24 -1.40 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Rh2 5. Kg3 Re2 6. Ra1 Kb5
11-> 1.47 -1.40 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Rh2 5. Kg3 Re2 6. Ra1 Kb5
12 2.33 -1.36 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Rh2 5. Kg3 Re2 6. Ra1 Kb5 7. Rb1
12-> 3.22 -1.36 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Rh2 5. Kg3 Re2 6. Ra1 Kb5 7. Rb1
13 5.04 -1.40 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Rh2 5. Ba3 Re2 6. Bb2 a4 7. Kg3
Kd7
13-> 7.89 -1.40 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Rh2 5. Ba3 Re2 6. Bb2 a4 7. Kg3
Kd7 (s=3)
14 14.49 -1.40 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Bc8 5. Ba3 Rh7 6. Bb2 a4 7. Ra1
Rh2 8. Rb1 (s=2)
14-> 19.97 -1.40 1. ... Rh7 2. Rb1 Bb7 3. f3 Rh5 4.
Kg4 Bc8 5. Ba3 Rh7 6. Bb2 a4 7. Ra1
Rh2 8. Rb1
? 15 30.02 1/16* 1. ... Rh7
Black(0): ?
time=31.14 cpu=89% mat=-1 n=48573200 fh=90% nps=1.56M
ext-> chk=1173654 cap=31834 pp=424357 1rep=15097 mate=310
predicted=1 nodes=48573200 evals=11612515 50move=0
endgame tablebase-> probes=0 hits=0
SMP-> split=675 stop=114 data=7/128 cpu=27.81 elap=31.14
Black(1): Rh7
time used: 31.14
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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