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Subject: Rybka on a slow P233MHz = Node Wierdness...

Author: enrico carrisco

Date: 19:05:23 01/29/06


Rybka on a slow P233MHz laptop was just SLOW enough to show Rybka's "unique
approach" to counting nodes.

At ply 5 it was doing almost 71kn/s (but didn't show it), ply 6 it drops the
total nodes searched from 390kn to *10kn*, then it shows kn/s (which was 960
nodes/second? 70 times slower?)

The output at the bottom is the raw UCI output.. You can see that it appears to
not count NPS until it gets, well, "adjusted", then reports a low end kn/s.

Of course, it's possible I had too much Guinness tonight and my eyes are
deceiving me.

Regards,

-elc.


---
00:00:00.3	0.31	3	24056	exf6
00:00:00.6	0.18	4	47432	exf6
00:00:02.8	0.26	5	200296	exf6 Bxf2+ Kxf2 Qxf6
00:00:06.1	0.33	6	6837	exf6 Bxf2+ Kxf2 Qxf6 Nb3
00:00:12.4	0.33	7	15424	exf6 Bxf2+ Kxf2 Qxf6 Nb3 Ne5
00:00:28.0	0.40	8	35355	exf6 Bxf2+ Kxf2 Qxf6 Nb3 Ne5 Nc5
00:01:03.7	0.47	9	80989	exf6 Bxf2+ Kxf2 Qxf6 Nb3 Ne5 Nc5 Rae8
00:02:12.3	0.45	10	174555	exf6 Bxf2+ Kxf2 Qxf6 Nb3 Ne5 Nc5 Rae8 Kg1

00:00:03.9	-0.34	3	95224	Bf5
00:00:04.2	-0.33	4	118472	Bf5
00:00:05.1	-0.33	5	178384	Bf5 Nb3
00:00:08.7	-0.40	6	8895	Bf5 Bxf5 Bxf2+ Qxf2 Qxf5
00:00:19.2	-0.44	7	22847	Bf5 Bxf5 Bxf2+ Qxf2 Qxf5 Qc5
00:00:36.4	-0.49	8	50814	Bf5 Bxf5 Bxf2+ Qxf2 Qxf5 Qc5 Qe6
00:01:12.5	-0.71	9	114651	Bf5 Bxf5 Bxf2+ Qxf2 Qxf5 Qc5 Qd7 a4
00:01:58.2	-0.66	9	182030	b4 Ba4 Bg4 Bxc6 Bxf2+ Qxf2 Qxc6 cxb4

00:00:01.1	0.37	3	78768	a4
00:00:01.8	0.54	3	132152	Qd3
00:00:03.4	0.55	4	245176	Qd3
00:00:05.5	0.55	5	390048	Qd3 Qf5
00:00:10.5	0.61	6	10084	Qd3 Qf5 Qxf5
00:00:14.0	0.61	7	15315	Qd3 Qf5 Qxf5 Bxf5 Bb3
00:00:42.3	0.66	8	49569	Qd3 Qf5 Qxf5 Bxf5 Bb3 Rad8
00:01:35.7	0.69	9	128294	Qd3 Qf5 Qxf5 Bxf5 Bb3 Rad8 Nh4
00:02:41.9	0.72	10	225286	Qd3 Qf5 Qxf5 Bxf5 Bb3 Be6 a4 Rae8

position r4rk1/2p3pp/p1n2q2/1pbp4/6b1/2P2N2/PPBN1RPP/R1B2QK1 w - - 2 1
go depth 8
info depth 3
info depth 3 score cp 7 time 660 nodes 47096 nps 0 tbhits 0 pv b1c3
info depth 3 time 665 nodes 47536 nps 0 tbhits 0
info depth 4
info depth 4 score cp 3 time 1216 nodes 86824 nps 0 tbhits 0 pv b1c3
info depth 4 time 1374 nodes 98376 nps 0 tbhits 0
info depth 5
info depth 5 score cp 8 time 1559 nodes 111808 nps 0 tbhits 0 pv b1c3 b8c6
info depth 5 time 1669 nodes 119848 nps 0 tbhits 0
info depth 6
info depth 6 score cp 3 time 1934 nodes 139232 nps 0 tbhits 0 pv b1c3 b8c6 g1f3
info depth 6 time 2489 nodes 180056 nps 0 tbhits 0
info depth 7
info depth 7 score cp 5 time 3719 nodes 6159 nps 1695 tbhits 0 pv b1c3 b8c6 g1f3
 g8f6
info depth 7 time 6625 nodes 9833 nps 1519 tbhits 0
info depth 8
info depth 8 score cp 6 time 9459 nodes 17667 nps 1912 tbhits 0 pv b1c3 b8c6 g1f
3 g8f6 d2d4
info depth 8 time 13654 nodes 23246 nps 1743 tbhits 0
info time 13658 nodes 23242 nps 1742 tbhits 0
bestmove b1c3 ponder b8c6


isready
readyok
position r4rk1/2p3pp/p1n2q2/1pbp4/6b1/2P2N2/PPBN1RPP/R1B2QK1 w - - 2 1
go depth 9
info depth 3
info depth 3 score cp 7 time 2890 nodes 205424 nps 0 tbhits 0 pv b1c3
info depth 3 time 2900 nodes 206224 nps 0 tbhits 0
info depth 4
info depth 4 score cp 3 time 4224 nodes 300392 nps 0 tbhits 0 pv b1c3
info depth 4 time 5716 nodes 406656 nps 0 tbhits 0
info depth 5
info depth 5 score cp 8 time 7690 nodes 547104 nps 0 tbhits 0 pv b1c3 b8c6
info depth 5 time 8755 nodes 622952 nps 0 tbhits 0
info depth 6
info depth 6 score cp 3 time 11895 nodes 846464 nps 0 tbhits 0 pv b1c3 b8c6 g1f3

info depth 6 time 20727 nodes 1474960 nps 0 tbhits 0
info depth 7
info depth 7 score cp 5 time 34393 nodes 6153 nps 183 tbhits 0 pv b1c3 b8c6 g1f3
 g8f6
info depth 7 time 45825 nodes 9833 nps 219 tbhits 0
info depth 8



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