Don wrote:I'm trying to improve my hash table table implementation after noticing that some programs respond instantly when you re-search the same position to the same depth. For instance from Rybka, "go depth 15" takes 20 seconds the first time, but if then do a "go depth 15" the second time it takes 0.12 seconds. (These are UCI interface commands.)
My own program also responds much quicker the second time, due to information in the hash tables, but not nearly so much as Rybka.
Don,
In Diep i also have true bounds, do you?
You mean like this i assume:
depth
New depth(currently 61) :
15
anal
Analysis mode is on
putting engine to search errorlevel=0!
00:00 20 1 0 (4) 1 (0,0) 0.480 Ng1-f3
00:00 60 3 0 (4) 1 (0,0) 0.807 e2-e4
00:00 820 41 0 (4) 2 (0,1) 0.001 e2-e4 e7-e5
00:00 5580 279 0 (4) 3 (1,5) 0.385 e2-e4 d7-d5 Nb1-c3 d5xe4 Nc3xe4
++ g1-f3 procnr=0 terug=386 org=[385;386] newwindow=[385;520000]
00:00 11560 578 0 (4) 3 (2,8) 0.409 Ng1-f3 d7-d5 e2-e3
++ d2-d4 procnr=0 terug=410 org=[409;410] newwindow=[409;520000]
00:00 15040 752 0 (4) 3 (2,11) 0.431 d2-d4 e7-e6 Nb1-c3
00:00 21840 1092 0 (4) 4 (2,18) 0.001 d2-d4 e7-e6 Nb1-c3 Nb8-c6
++ e2-e3 procnr=1 terug=2 org=[1;2] newwindow=[1;520000]
00:00 82614 5783 0 (4) 5 (20,91) 0.425 d2-d4 d7-d5 Ng1-f3 Bc8-f5 Bc1-f4
00:00 138710 13871 0 (4) 6 (32,164) -0.003 d2-d4 Ng8-f6 Nb1-c3 d7-d6 Bc1-f4 Bc8-
f5
++ g1-f3 procnr=3 terug=-2 org=[-3;-2] newwindow=[-3;520000]
00:00 161818 17800 0 (4) 6 (40,223) 0.001 Ng1-f3 Ng8-f6 Nb1-c3 Nb8-c6 d2-d3 e7-e
6
00:00 225090 49520 0 (4) 7 (101,641) 0.504 Ng1-f3 d7-d6 e2-e4 Ng8-f6 Nb1-c3 Bc8-
g4 Bf1-c4
00:00 244612 78276 0 (4) 8 (144,947) -0.002 Ng1-f3 d7-d6 Nb1-c3 Nb8-c6 d2-d3 Ng8
-f6 Bc1-f4 e7-e5
++ d2-d4 procnr=2 terug=-1 org=[-2;-1] newwindow=[-2;520000]
++ e2-e4 procnr=2 terug=-1 org=[-2;-1] newwindow=[-2;520000]
++ b1-c3 procnr=2 terug=-1 org=[-2;-1] newwindow=[-2;520000]
++ d2-d3 procnr=0 terug=-1 org=[-2;-1] newwindow=[-2;520000]
++ e2-e3 procnr=3 terug=-1 org=[-2;-1] newwindow=[-2;520000]
00:00 386156 312787 0 (4) 9 (275,2216) 0.365 Ng1-f3 d7-d5 Nb1-c3 Bc8-f5 d2-d4 Nb
8-a6 Bc1-f4 Na6-b4 Ra1-c1
++ d2-d4 procnr=1 terug=366 org=[365;366] newwindow=[365;520000]
00:00 411024 406914 0 (4) 9 (297,2432) 0.464 d2-d4 Ng8-f6 Ng1-f3 e7-e6 Nb1-c3 Bf
8-b4 Bc1-g5 Bb4xc3 b2xc3 d7-d5
00:01 440695 572904 0 (4) 10 (341,2960) 0.018 d2-d4 d7-d5 Nb1-c3 Bc8-f5 Bc1-g5 N
g8-f6 e2-e3 Nb8-c6 Bf1-b5 e7-e6
++ g1-f3 procnr=1 terug=19 org=[18;19] newwindow=[18;520000]
00:01 453335 652803 0 (4) 10 (373,3428) 0.146 Ng1-f3 d7-d5 Nb1-c3 Bc8-f5 d2-d3 N
g8-f6 Nf3-d4 Bf5-g4 h2-h3 e7-e5 h3xg4 e5xd4
00:02 478591 1143834 0 (4) 11 (545,5815) 0.370 Ng1-f3 Ng8-f6 Nb1-c3 e7-e6 d2-d4
Bf8-b4 Qd1-d3 Bb4xc3 b2xc3 Nb8-c6 Bc1-g5 d7-d5
00:04 513530 2126017 0 (4) 12 (720,8278) 0.154 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4
Bc8-g4 e2-e3 e7-e6 Bf1-b5 Bf8-b4 c2-c3 Bb4-d6 Bb5xc6 b7xc6 Bf4xd6 c7xd6
++ d2-d4 procnr=0 terug=155 org=[154;155] newwindow=[154;520000]
00:05 540202 3143976 0 (4) 12 (873,10284) 0.182 d2-d4 Ng8-f6 Nb1-c3 d7-d5 Ng1-f3
Bc8-f5 Nf3-h4 Bf5-g4 f2-f3 Bg4-h5 g2-g4 Bh5-g6 Nh4xg6 h7xg6
00:11 563638 6746753 0 (4) 13 (1200,15505) 0.226 d2-d4 d7-d5 Ng1-f3 Nb8-c6 Bc1-f
4 Bc8-f5 c2-c3 Ng8-f6 Qd1-b3 e7-e5 d4xe5 Nf6-e4 Nb1-d2
00:24 570693 14255918 0 (4) 14 (1782,24513) 0.139 d2-d4 d7-d5 Bc1-f4 Ng8-f6 e2-e
3 Bc8-g4 Bf1-e2 Bg4xe2 Qd1xe2 Nb8-d7 Nb1-c3 Rh8-g8
++ g1-f3 procnr=2 terug=140 org=[139;140] newwindow=[139;520000]
00:29 584888 17482327 0 (4) 14 (1849,26054) 0.184 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-
f4 Ng8-f6 Nb1-c3 Nf6-h5 Bf4-d2 Bc8-f5 e2-e3 Nh5-f6 Bf1-d3 Nf6-e4 Nc3xe4 d5xe4
00:47 590558 27850748 0 (4) 15 (2125,29909) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-
f4 Ng8-f6 Nb1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
AbortAll
time taken to abort = 0 centiseconds
anal
Analysis mode is on
putting engine to search errorlevel=0!
00:00 33 1 0 (4) 1 (0,0) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 Nb1-c
3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 100 3 0 (4) 1 (0,0) 0.385 e2-e4 d7-d5 e4xd5 Ng8-f6 Bf1-b5 Bc8-d7 Nb1-c3
Nf6xd5 Bb5xd7 Qd8xd7 Qd1-h5 Nd5xc3 a2-a3 Nc3-e4 f2-f4
00:00 700 21 0 (4) 2 (0,1) 0.385 e2-e4 d7-d5 e4xd5 Ng8-f6 Bf1-b5 Bc8-d7 Nb1-c
3 Nf6xd5 Bb5xd7 Qd8xd7 Qd1-h5 Nd5xc3 a2-a3 Nc3-e4 f2-f4
00:00 1366 41 0 (4) 3 (0,2) 0.385 e2-e4 d7-d5 e4xd5 Ng8-f6 Bf1-b5 Bc8-d7 Nb1-c
3 Nf6xd5 Bb5xd7 Qd8xd7 Qd1-h5 Nd5xc3 a2-a3 Nc3-e4 f2-f4
00:00 4100 123 0 (4) 4 (0,6) 0.001 e2-e4 d7-d5 e4xd5 Ng8-f6 Bf1-b5 Bc8-d7 Nb1-
c3 Nf6xd5 Bb5xd7 Qd8xd7 Qd1-h5 Nd5xc3 a2-a3 Nc3-e4 f2-f4
++ g1-f3 procnr=2 terug=193 org=[1;2] newwindow=[1;520000]
00:00 4166 125 0 (4) 4 (0,6) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 Nb1
-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 4800 144 0 (4) 5 (0,7) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 Nb1
-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 5466 164 0 (4) 6 (0,8) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 Nb1
-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 6133 184 0 (4) 7 (0,9) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 Nb1
-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 6800 204 0 (4) 8 (0,10) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 Nb
1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 7466 224 0 (4) 9 (0,11) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 Nb
1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 8133 244 0 (4) 10 (0,12) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 N
b1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 8800 264 0 (4) 11 (0,13) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 N
b1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 9466 284 0 (4) 12 (0,14) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 N
b1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 10133 304 0 (4) 13 (0,15) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 N
b1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 10800 324 0 (4) 14 (0,16) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 N
b1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
00:00 11466 344 0 (4) 15 (0,17) 0.193 Ng1-f3 Nb8-c6 d2-d4 d7-d5 Bc1-f4 Ng8-f6 N
b1-c3 e7-e6 Nc3-b5 Bf8-d6 Nb5xd6 c7xd6 e2-e3 Nf6-e4 Bf1-d3 Bc8-d7
AbortAll
time taken to abort = 0 centiseconds