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Subject: Re: Eugene, etc. Hardware question.

Author: Robert Hyatt

Date: 12:54:32 04/02/03

Go up one level in this thread


On April 02, 2003 at 14:41:55, Russell Reagan wrote:

>I ran your tests on a dual PIII 733. Results and runs below...
>
>Two processes: 311 Knps, 310 Knps (run simultaneously)
>Single thread: 318 Knps
>Two threads  : 579 Knps (speedup of 1.8)

That looks pretty reasonable.  As opposed to what I am seeing...


>
>===============
> Single thread
>===============
>
>EPD Kit revision date: 1996.04.21
>unable to open book file [./book.bin].
>book is disabled
>unable to open book file [./books.bin].
>
>Crafty v19.3 (1 cpus)
>
>White(1): mt 1
>max threads set to 1
>White(1): ponder off
>pondering disabled.
>White(1): setboard r1bqkb1r/1pp2ppp/p1np1n2/4p3/B2PP3/5N2/PPP2PPP/RNBQ1RK1 b kq
>d3 0 6
>Black(1): sd 10
>search depth set to 10.
>Black(1): go
>              clearing hash tables
>              time surplus   0.00  time limit 22.50 (3:30)
>              depth   time  score   variation (1)
>                7->   0.55   0.44   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Bg5 Nxf3+ 5. gxf3 Be6
>                8     1.02   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1
>                8->   1.53   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1
>                9     3.36   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5
>                9->   5.69   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5
>               10     8.39   0.40   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 dxe5 6. Bxc6+ Bxc6 7. Nbd2
>              time=22.66  cpu=99%  mat=0  n=7227257  fh=89%  nps=318k
>              ext-> chk=88224 cap=53071 pp=1692 1rep=3939 mate=367
>              predicted=0  nodes=7227257  evals=2905648
>              endgame tablebase-> probes done=0  successful=0
>              SMP->  split=0  stop=0  data=0/32  cpu=22.56  elap=22.66
>
>Black(1): b5
>              time used:  22.66
>learning position, wtm=0  value=-40
>
>=============
> Two threads
>=============
>
>EPD Kit revision date: 1996.04.21
>unable to open book file [./book.bin].
>book is disabled
>unable to open book file [./books.bin].
>
>Crafty v19.3 (1 cpus)
>
>White(1): mt 2
>max threads set to 2
>White(1): ponder off
>pondering disabled.
>White(1): setboard r1bqkb1r/1pp2ppp/p1np1n2/4p3/B2PP3/5N2/PPP2PPP/RNBQ1RK1 b kq
>d3 0 6
>Black(1): sd 10
>search depth set to 10.
>Black(1): go
>              clearing hash tables
>              time surplus   0.00  time limit 22.50 (3:30)
>              depth   time  score   variation (1)
>starting thread 1
>                7     0.22   0.44   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Bg5 Nxf3+ 5. gxf3 Be6
>                7->   0.33   0.44   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Bg5 Nxf3+ 5. gxf3 Be6
>                8     0.63   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1
>                8->   0.91   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1 (s=2)
>                9     2.19   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5
>                9->   3.47   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5 (s=2)
>               10     4.78   0.40   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 dxe5 6. Bxc6+ Bxc6 7. Nbd2
>               10->  13.39   0.40   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 dxe5 6. Bxc6+ Bxc6 7. Nbd2
>                                    (s=3)
>              time=13.39  cpu=197%  mat=0  n=7759929  fh=89%  nps=579k
>              ext-> chk=89742 cap=55704 pp=1741 1rep=3982 mate=396
>              predicted=0  nodes=7759929  evals=3162194
>              endgame tablebase-> probes done=0  successful=0
>              SMP->  split=118  stop=18  data=5/32  cpu=26.43  elap=13.39
>
>Black(1): b5
>              time used:  13.39
>learning position, wtm=0  value=-40
>
>===============
> Two processes
>===============
>
>-------------
> Process one
>-------------
>
>EPD Kit revision date: 1996.04.21
>unable to open book file [./book.bin].
>book is disabled
>unable to open book file [./books.bin].
>
>Crafty v19.3 (1 cpus)
>
>White(1): mt 1
>max threads set to 1
>White(1): ponder off
>pondering disabled.
>White(1): setboard r1bqkb1r/1pp2ppp/p1np1n2/4p3/B2PP3/5N2/PPP2PPP/RNBQ1RK1 b kq
>d3 0 6
>Black(1): sd 10
>search depth set to 10.
>Black(1): go
>              clearing hash tables
>              time surplus   0.00  time limit 22.50 (3:30)
>              depth   time  score   variation (1)
>                7->   0.56   0.44   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Bg5 Nxf3+ 5. gxf3 Be6
>                8     1.04   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1
>                8->   1.57   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1
>                9     3.42   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5
>                9->   5.78   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5
>               10     8.54   0.40   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 dxe5 6. Bxc6+ Bxc6 7. Nbd2
>              time=22.98  cpu=99%  mat=0  n=7163091  fh=89%  nps=311k
>              ext-> chk=87773 cap=52652 pp=1624 1rep=3899 mate=367
>              predicted=0  nodes=7163091  evals=2873633
>              endgame tablebase-> probes done=0  successful=0
>              SMP->  split=0  stop=0  data=0/32  cpu=22.80  elap=22.98
>
>Black(1): b5
>              time used:  22.98
>learning position, wtm=0  value=-40
>
>-------------
> Process two
>-------------
>
>EPD Kit revision date: 1996.04.21
>unable to open book file [./book.bin].
>book is disabled
>unable to open book file [./books.bin].
>
>Crafty v19.3 (1 cpus)
>
>White(1): mt 1
>max threads set to 1
>White(1): ponder off
>pondering disabled.
>White(1): setboard r1bqkb1r/1pp2ppp/p1np1n2/4p3/B2PP3/5N2/PPP2PPP/RNBQ1RK1 b kq
>d3 0 6
>Black(1): sd 10
>search depth set to 10.
>Black(1): go
>              clearing hash tables
>              time surplus   0.00  time limit 22.50 (3:30)
>              depth   time  score   variation (1)
>                7->   0.56   0.44   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Bg5 Nxf3+ 5. gxf3 Be6
>                8     1.04   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1
>                8->   1.61   0.46   1. ... b5 2. Bb3 Bg4 3. dxe5 Nxe5 4.
>                                    Nc3 Nxf3+ 5. gxf3 Bh3 6. Re1
>                9     3.47   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5
>                9->   5.86   0.44   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 Nxd5 6. exd5 Nxe5
>               10     8.64   0.40   1. ... b5 2. Bb3 Be7 3. a4 b4 4. Bd5
>                                    Bb7 5. dxe5 dxe5 6. Bxc6+ Bxc6 7. Nbd2
>              time=23.07  cpu=98%  mat=0  n=7163091  fh=89%  nps=310k
>              ext-> chk=87773 cap=52652 pp=1624 1rep=3899 mate=367
>              predicted=0  nodes=7163091  evals=2873633
>              endgame tablebase-> probes done=0  successful=0
>              SMP->  split=0  stop=0  data=0/32  cpu=22.69  elap=23.07
>
>Black(1): b5
>              time used:  23.07
>learning position, wtm=0  value=-40



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