Author: Mike Byrne
Date: 13:13:39 12/23/05
Go up one level in this thread
On December 23, 2005 at 13:26:42, Zappa wrote: >So when I went to UIUC as a newly minted World Champion, they were interested >and after some negotiations I managed to procure some time on NCSA's Cobalt >supercomputer, an SGI Altix: > >http://www.ncsa.uiuc.edu/UserInfo/Resources/Hardware/SGIAltix/TechSummary/ > >At Paderborn Zappa will run on 128 CPUs as a bit of a warmup; at Turino I hope >to use 512. I haven't really had enough time to seriously optimize Zappa for >this machine, and I have been somewhat disappointed by the Itanium2 CPU, but the >results are still reasonably impressive. For example: > >r1b2r2/p1q1ppk1/6p1/3p3p/7P/5P2/PPPQ2P1/2K1RB1R b - - 0 9 FEN: [d]r1b2r2/p1q1ppk1/6p1/3p3p/7P/5P2/PPPQ2P1/2K1RB1R b - - 0 1 Rybka 1.01 Preview 2: 3 00:00 1.889 1.934.336 +0.08 1. ... Bf5 4 00:00 4.465 268.950 +0.01 1. ... Bf5 5 00:00 8.776 272.321 -0.01 1. ... Bf5 2.Bd3 6 00:00 21.099 227.425 -0.01 1. ... Bf5 2.Bd3 Bxd3 3.Qxd3 Rac8 7 00:00 47.760 207.229 +0.06 1. ... Bf5 2.Bd3 Bxd3 3.Qxd3 Rfc8 4.Kb1 8 00:00 115.930 210.482 -0.01 1. ... Bf5 2.Bd3 Bxd3 3.Qxd3 Rac8 4.g4 hxg4 9 00:01 247.485 207.725 -0.01 1. ... Bf5 2.Bd3 Bxd3 3.Qxd3 Rac8 4.g4 hxg4 5.fxg4 e6 10 00:03 663.943 210.098 -0.35 1. ... Bf5 2.g4 hxg4 3.fxg4 Be4 4.Bg2 Rfd8 5.h5 10 00:04 944.677 207.674 -0.15 1. ... Qc5 2.Re5 Be6 3.Bd3 Rfb8 4.Rg5 Rb4 10 00:08 1.652.747 203.195 0.00 1. ... Rb8 2.Qd4+ f6 3.Bd3 e6 4.c3 Bd7 5.g4 11 00:10 2.146.870 205.074 +0.02 1. ... Rb8 2.Qd4+ f6 3.Qxd5 Bf5 4.Bd3 e6 5.Qc4 Qb7 12 00:24 4.838.751 206.169 -0.25 1. ... Rb8 2.g4 hxg4 3.h5 gxf3 4.hxg6 fxg6 5.Qh6+ Kf7 6.Qg5 Ke8 13 00:56 11.195.195 204.478 -0.19 1. ... Rb8 2.g4 hxg4 3.h5 gxf3 4.hxg6 fxg6 5.Qh6+ Kf7 6.Qg5 Ke8 7.Rh7 > >1... Ra8-b8 2. g2-g4 h5xg4 3. h4-h5 Qc7-b6 4. b2-b3 Qb6-f6 5. Kc1-b1 Rf8-h8 6. >h5-h6 Kg7-g8 7. f3xg4 Bc8xg4 8. h6-h7 Kg8-f8 9. Qd2-h6 Kf8-e8 10. Bf1-d3 e7-e6 > = (-0.49) Depth: 17/45 00:03:37.11 5532448kN (25481 KN/s, 3558608 >splits, 294631 aborts) > >r1b2rk1/pp3ppp/1nn1p3/q2pP3/2pP1P2/P1P2NPB/2PB3P/R2QK2R w KQ - 0 8 FEN: [d]r1b2rk1/pp3ppp/1nn1p3/q2pP3/2pP1P2/P1P2NPB/2PB3P/R2QK2R w KQ - 0 1 Rybka 1.01 Preview 2: 3 00:00 317 324.608 +0.07 1.0-0 4 00:00 873 893.952 +0.08 1.0-0 5 00:00 4.741 303.424 +0.07 1.0-0 Bd7 6 00:00 6.431 205.792 +0.12 1.0-0 Bd7 2.Qe2 7 00:00 12.576 163.010 +0.09 1.0-0 Bd7 2.Qe2 Na4 8 00:00 32.900 179.200 +0.13 1.0-0 Bd7 2.Qe2 h6 3.Bg4 9 00:00 58.108 172.972 +0.09 1.0-0 Bd7 2.Qe2 h6 3.Bg4 Na4 10 00:01 155.531 161.689 +0.16 1.0-0 Bd7 2.Qe2 h6 3.Bg4 Rad8 4.Kg2 11 00:01 221.135 164.565 +0.12 1.0-0 Bd7 2.Qe2 h6 3.Bg4 Rad8 4.Kg2 Na4 12 00:07 1.157.882 174.826 +0.16 1.0-0 Na4 2.Qe2 Bd7 3.Qe3 h6 4.Bg4 Rad8 5.Kg2 13 00:18 3.203.950 177.036 +0.18 1.0-0 Na4 2.Bg4 Bd7 3.Nh4 a6 4.Rb1 b5 5.Qe1 g6 14 00:51 8.929.983 178.314 +0.19 1.0-0 Na4 2.Qe1 Qc7 3.Qe3 b6 4.Nh4 g6 5.Bg2 Qe7 6.Rfb1 > >1. Ke1-g1 Nc6-e7 2. Nf3-h4 Qa5-a4 3. Qd1-b1 Bc8-d7 4. Qb1-b2 Qa4-c6 5. Ra1-b1 >Qc6-c7 6. Nh4-g2 Ra8-c8 7. Kg1-h1 Ne7-f5 8. Ng2-e3 Nf5xe3 9. Bd2xe3 Rf8-d8 10. >Rb1-a1 > = (0.15) Depth: 20/46 00:04:33.59 7300957kN (26686 KN/s, 6497504 >splits, 503423 aborts) > >Single CPU Zappa on the I2 there gets about 300 knps, so that is an nps speedup >of 80-85. I'll probably get a bit less in Paderborn, as this is essentially the >World Champs version of Zappa, and I've been busy de-optimizing it since :) > >This is really only 1-2 ply deeper than my quad, but wait until Turino when I've >had some time to optimize things a bit . . . > >anthony
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