Author: Mike Byrne
Date: 19:04:37 09/04/02
Go up one level in this thread
On September 04, 2002 at 21:19:05, Robert Hyatt wrote:
>If anyone has the time, and a dual-cpu machine, would you run the following
>position to depth 13 using first one cpu, then restarting, and running it again
>with two processors? Everything else at default values.
>
>2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1
>
>That is kopec position 22, one of my favorites. I am only interested in
>two numbers, the raw NPS for 1 cpu, and the raw NPS for two cpus. I don't care
>about the times or anything, just the NPS...
>
>Please include your cpu/speed/vendor/etc...
>
>Vincent thinks that the 2-cpu test will slow way down in terms of NPS. I
>can't reproduce it on my machines here. Eugene can't reproduce it on Intel
>boxes, but the two AMD machines he has tried produce 1.4X the nps using two
>that it produces using 1, while my machines produce about 1.9X the nps...
>
>Thanks...
Crafty v17.16 SE (2 cpus)
Modified Crafty based on 17.14
Dual Xeon 1.7Ghz - Dell 530 , 512MB Ram, W2K
1 CPU raw nodes=36572335
2 CPUs raw nodes=37247363
White(1): sd 13
search depth set to 13.
White(1): 2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1
Black(1):
Black(1): go
clearing hash tables
time surplus 0.00 time limit 100:00 (100:00)
nss depth time score variation (1)
starting thread 1
2 0.00 0.10 1. ... Rfd8 2. Bd4 Re8
2-> 0.01 0.10 1. ... Rfd8 2. Bd4 Re8
3 0.01 0.02 1. ... Rfd8 2. Bd4 e5 3. Bc3
3-> 0.03 0.02 1. ... Rfd8 2. Bd4 e5 3. Bc3
4 0.03 0.03 1. ... Rfd8 2. Bd4 Re8 3. Qe3 Bd8
4 0.06 28/33* 1. 4 0.06 0.06 ...
1. ... Rfe8 2. Rac1 Red8 3. Bd4 Re8
<HT>
4-> 0.06 0.06 1. ... Rfe8 2. Rac1 Red8 3. Bd4 Re8
<HT>
5 0.08 -0.02 1. ... Rfe8 2. Rac1 Red8 3. Bd4 e5
4. Bc3
5 0.11 -0.01 1. ... Rfd8 2. Rac1 Re8 3. Qe3 Nc5
4. Nxc5 Qxc5
5 0.18 0.00 1. ... Ne8 2. Qe3 Bf6 3. Qf4 d5 4.
Qxc7 Rxc7 5. exd5 Bxb2 6. Nxb2 exd5
5 0.20 0.04 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Nc3
5-> 0.20 0.04 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Nc3
6 0.25 0.06 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Qf4 Rfe8
6-> 0.34 0.06 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Qf4 Rfe8
7 0.47 0.05 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Qf4 d5 5. Qxc7 Rxc7 6. exd5 exd5
7 0.83 ++ 1. ... Bxe4!!
7 0.90 1.13 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bc6
(2) 7-> 0.90 1.13 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bc6
8 1.18 1.17 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5
8-> 1.25 1.17 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5
9 1.67 0.89 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5 6. Rac1
9-> 1.87 0.89 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5 6. Rac1
10 2.79 1.09 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Rac1 Rfc8
7. Rxc7 Rxc7
10-> 3.14 1.09 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Rac1 Rfc8
7. Rxc7 Rxc7
11 4.68 0.84 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Rb8
7. Rac1
11-> 5.70 0.84 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Rb8
7. Rac1
12 10.25 1.02 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7
7. Rac1 Rfc8 8. Rxc7 Rxc7
12-> 13.00 1.02 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7
7. Rac1 Rfc8 8. Rxc7 Rxc7
13 22.87 0.78 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Bxf6 Nxf6 5. Nxb6 Rxe4 6. Rdc1 Rb8
7. Nc8 Rb7 8. b6
13-> 31.43 0.78 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Bxf6 Nxf6 5. Nxb6 Rxe4 6. Rdc1 Rb8
7. Nc8 Rb7 8. b6
time=31.43 cpu=229% mat=0 n=37247K fh=92% nps=1185K
ext-> checks=266016 recaps=38156 pawns=9884 sing=2
ext-> 1rep=7795 thrt:388 pawn sac=164345
predicted=0 nodes=37247363 evals=0
endgame tablebase-> probes done=0 successful=0
SMP-> split=270 stop=19 data=6/64 cpu=1:12 elap=31.43
Black(1): Bxe4
time used: 31.43
White(2): mt=1
max threads set to 1
White(2): thread 1 exiting
White(1): d4
time used: 0.09
Black(1): 2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1
Black(1): go
clearing hash tables
time surplus 29.91 time limit 100:00 (100:00)
nss depth time score variation (1)
2 0.00 0.10 1. ... Rfd8 2. Bd4 Re8
2-> 0.01 0.10 1. ... Rfd8 2. Bd4 Re8
3 0.01 0.02 1. ... Rfd8 2. Bd4 e5 3. Bc3
3-> 0.04 0.02 1. ... Rfd8 2. Bd4 e5 3. Bc3
4 0.04 0.03 1. ... Rfd8 2. Bd4 Re8 3. Qe3 Bd8
4 0.07 0.04 1. ... Rcd8 2. Rac1 Rfe8 3. Nc3 Nc5
(3) 4-> 0.11 0.04 1. ... Rcd8 2. Rac1 Rfe8 3. Nc3 Nc5
(2) 5 0.14 -0.11 1. ... Rcd8 2. Qe3 Nh5 3. Bd4 Bf6 4.
Nc3 Bxd4 5. Nxd4
5 0.18 -0.05 1. ... Rfe8 2. Qe3 Bd8 3. Rac1 Nc5
4. Nxc5 Qxc5
5 0.29 0.04 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Nc3
(3) 5-> 0.31 0.04 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Nc3
(2) 6 0.39 0.06 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Qf4 Rfe8
6-> 0.57 0.06 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Qf4 Rfe8
7 0.81 0.05 1. ... Nh5 2. Qe3 Bf6 3. Bxf6 Nhxf6
4. Qf4 d5 5. Qxc7 Rxc7 6. exd5 exd5
7 1.45 ++ 1. ... Bxe4!!
7 1.57 1.13 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bc6
(2) 7-> 1.59 1.13 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bc6
8 2.09 1.17 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5
8-> 2.20 1.17 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5
9 2.93 0.89 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5 6. Rac1
9-> 3.31 0.89 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc5 6. Rac1
10 4.97 1.09 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Rac1 Rfc8
7. Rxc7 Rxc7
10-> 5.57 1.09 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Rac1 Rfc8
7. Rxc7 Rxc7
11 8.26 0.84 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Rb8
7. Rac1
11-> 10.15 0.84 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Rb8
7. Rac1
12 18.26 1.02 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7
7. Rac1 Rfc8 8. Rxc7 Rxc7
12-> 23.65 1.02 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7
7. Rac1 Rfc8 8. Rxc7 Rxc7
13 41.11 0.78 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Bxf6 Nxf6 5. Nxb6 Rxe4 6. Rdc1 Rb8
7. Nc8 Rb7 8. b6
13-> 56.79 0.78 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4
4. Bxf6 Nxf6 5. Nxb6 Rxe4 6. Rdc1 Rb8
7. Nc8 Rb7 8. b6
time=56.79 cpu=100% mat=0 n=36572K fh=92% nps=643K
ext-> checks=255326 recaps=37605 pawns=10369 sing=0
ext-> 1rep=7541 thrt:403 pawn sac=168024
predicted=1 nodes=36572335 evals=0
endgame tablebase-> probes done=0 successful=0
SMP-> split=0 stop=0 data=0/64 cpu=56.80 elap=56.79
Black(1): Bxe4
time used: 56.79
White(2):
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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