Little Thought 1.04 64-bit 2-CPU

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beachknight
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Re: Little Thought 1.04 64-bit 2-CPU

Post by beachknight »

SzG wrote:I have started a gauntlet with this engine but had to call it off as there were uncomfortably too many crashes.

My system is Q6600, Vista Home Basic 64-bit.

Anyone successfully running this engine?
Hello Gabor,

No crashes. But LT104 x64 4cpu lost almost all games on time.

My system :) : Q6600 @ 2.40GHz4x 2400 MHz with 2.048 MB Memory
Operating system: Microsoft Windows XP 64 Bit Professional Service Pack 2 (Build 3790)

Best,
hi, merhaba, hallo HT
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beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Little Thought 1.04 64-bit 2-CPU

Post by beachknight »

An example:

Code: Select all

[Event "CET2401d"]
[Site "CET24_Antalya_TUR"]
[Date "2009.12.12"]
[Round "1"]
[White "LittleThought 1.04"]
[Black "Arasan 11.6"]
[Result "0-1"]
[BlackElo "2700"]
[ECO "C04"]
[Opening "French"]
[Time "09:27:56"]
[Variation "Tarrasch, Guimard, Main Line, 6.Nb3 a5"]
[WhiteElo "2500"]
[TimeControl "300+1"]
[Termination "time forfeit"]
[PlyCount "124"]
[WhiteType "program"]
[BlackType "program"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bf4 O-O 8.
Bd3 f6 9. exf6 Nxf6 10. O-O a5 11. c3 a4 12. Nbd2 a3 13. b3 {(13.b3 Nh5
14.Be5) +0.49/15 8} Bd6 {(13. ... Bd6 14.Bxd6 cxd6 15.Re1 Bd7 16.b4 Qc7
17.Ng5 e5 18.b5 Ne7 19.c4 h6 20.dxe5 dxe5) -0.52/14 8} 14. Be5 {(14.Be5 g6
15.Re1 Ne8 16.Kh1 Bxe5 17.dxe5 Bd7 18.Re3 Rf4 19.b4) +0.47/14 7} Qe8 {(14.
... Qe8 15.Re1 Bd7 16.Bxd6 cxd6 17.b4) -1.00/14 8} 15. Re1 {(15.Re1 Qh5
16.Bxd6 cxd6 17.h3 Bd7 18.Qe2 Kh8 19.Qe3 h6 20.Kh1 Ng4 21.Qe2) +0.63/14 6}
Bd7 {(15. ... Bd7 16.b4 Qh5 17.b5 Ne7 18.b6 Rfc8 19.Qb3 Ng4 20.h3 Nxe5
21.Nxe5 Bxe5 22.Rxe5) -1.06/14 8} 16. b4 {(16.b4 Qh5 17.Bxd6 cxd6 18.Qb1
Rac8 19.b5 Ne7 20.Qb4 Ng4 21.Qxa3) +0.62/13 6} b6 {(16. ... b6 17.Nb1 Qh5
18.b5 Ne7 19.Qb3 Ra7) -1.16/13 8} 17. Bxd6 {(17.Bxd6 cxd6 18.h3 Qh5 19.b5
Ne7 20.Qb1 Kh8 21.Qb4 Nf5 22.Bxf5) +0.83/13 6} cxd6 {(17. ... cxd6 18.Ng5)
-0.87/13 8} 18. Nf1 {(18.Nf1 Nd8 19.Ng3 Nf7 20.Qe2 Qc8 21.Qd2 Ra7 22.h3 Rc7
23.Rac1) +0.83/14 8} Ne7 {(18. ... Ne7 19.Ng5) -0.26/13 7} 19. Qc2 {(19.Qc2
Qh5 20.Qd2 Nf5 21.Ng5 Ne4 22.Bxe4 dxe4 23.Nxe4 Rac8 24.h3 Bb5 25.Ng5 Bxf1
26.Rxf1 Rf6) +0.72/14 6} h6 {(19. ... h6 20.Ng3 b5 21.Qc1 Qb8 22.Qc2 Rc8)
-0.20/13 7} 20. N1d2 {(20.N1d2 Kh8 21.h3 Qh5 22.b5 g6 23.Nb3 Rac8 24.Rab1
Rf7) +0.75/13 6} b5 {(20. ... b5 21.Kh1 Ng4 22.Nf1 Nf6 23.Ng3) -0.59/13 7}
21. Re3 {(21.Re3 Nh5 22.Nf1 Nf4 23.Ng3 Neg6 24.Rae1 Qf7 25.Bxg6) +0.86/14
7} Qf7 {(21. ... Qf7 22.Qc1 Ng4 23.Re1 e5 24.h3 Nxf2 25.Kxf2 e4 26.Nxe4
dxe4 27.Bxe4) -0.54/12 7} 22. Nf1 {(22.Nf1 Kh8 23.h3 Nh5 24.Rae1 g6 25.N1d2
Nf4 26.Kh1 Nf5) +0.72/13 6} Nh5 {(22. ... Nh5 23.Rb1) +0.07/13 7} 23. Qb1
{(23.Qb1 g5 24.h3 Nf4 25.Kh1 Nf5 26.Bxf5 Qxf5 27.Qxf5 Rxf5 28.Ng3 Rff8
29.Rae1 Bc6 30.Kh2) +0.67/14 5} Rfc8 {(23. ... Rfc8 24.N3d2) +0.15/14 7}
24. Kh1 {(24.Kh1 g5 25.h3 Ra7 26.Qc1 Nf4 27.Bc2 Neg6 28.Ng3 Bc6) +0.68/14
5} Rc7 {(24. ... Rc7 25.Qb3) +0.20/12 7} 25. h3 {(25.h3 g6 26.N1h2 Nf6
27.Nh4 g5 28.N4f3 Kh8) +0.62/13 5} Nf4 {(25. ... Nf4 26.Ng3 Kf8 27.Qb3 g6
28.Kg1 Kg7 29.Rc1) +0.16/12 6} 26. Ng3 {(26.Ng3 Rac8 27.Qc1 Nxd3 28.Rxd3
Ng6 29.Qxa3 e5 30.Re1 Bf5 31.Nxf5 Qxf5 32.Rde3) +0.69/14 5} g5 {(26. ... g5
27.Qb3 Kg7 28.Kg1 Neg6 29.Rd1 Nxd3 30.Rdxd3 Nf4 31.Rd1 Qg6 32.Nd2 Nd3
33.Rf3) +0.16/13 6} 27. Qc2 {(27.Qc2 Neg6 28.Ne2 Kg7 29.Nxf4 Nxf4 30.Rb1
Kh8 31.Rbe1 Bc6 32.Rb1) +0.83/14 5} Kg7 {(27. ... Kg7 28.Qb3 Kf8) +0.15/13
6} 28. Rae1 {(28.Rae1 Kf8 29.Qd2 Rac8 30.Bb1 Ke8 31.Qc1 Ra8 32.Bc2 Kd8
33.Bd3 Nxd3 34.Rxd3 Nf5 35.Nxf5) +0.74/14 5} Rac8 {(28. ... Rac8 29.Rc1
Neg6) +0.23/13 6} 29. Qd2 {(29.Qd2 Rxc3 30.Bg6 Rxe3 31.Bxf7 Rd3 32.Bxe6
Bxe6 33.Qxd3 Nxd3 34.Rxe6 Rc1+ 35.Kh2 Kf8 36.Ne2) +0.50/13 5} Nxd3 {(29.
... Nxd3 30.Rxd3 Ng6 31.Qc1 Nf4 32.Rde3 Ra7 33.Qc2 Qg6 34.Qxg6+ Kxg6 35.Rd1
Rac7) -0.30/12 6} 30. Rxd3 {(30.Rxd3 Kg8 31.Rd1 Rc4 32.Qc1 Ra8 33.Re1 Nc6)
+0.87/14 5} Qg6 {(30. ... Qg6 31.Rd1 Ra8 32.Qc1 Nc6 33.Qd2 Rf8 34.h4 g4
35.Nh2 Kg8 36.Qe2 h5 37.Ra1) +0.04/13 6} 31. Rde3 {(31.Rde3 Ra8 32.Rd1 Kg8)
+0.90/14 5} Rc6 {(31. ... Rc6 32.Qc1) -0.46/13 6} 32. Qc1 {(32.Qc1 Ra6
33.Qd1 Rf8 34.Qe2 Nf5 35.Nxf5+ Qxf5 36.Rc1 Qf4 37.Rd1 g4 38.hxg4) +0.92/14
5} Ra6 {(32. ... Ra6 33.Rf1 Rc7 34.Nd2) 0.00/13 5} 33. Qd1 {(33.Qd1 Rf8
34.Rd3 Kh8 35.Qe2 Nf5 36.Nxf5 Qxf5 37.Re3 Rc8 38.Qd3 Qxd3) +0.89/14 5} Ng8
{(33. ... Ng8 34.Qc1 Nf6 35.Kg1) -0.44/13 5} 34. Nh2 {(34.Nh2 Rac6 35.Qb3
Ra8 36.Kg1 Nf6) +0.97/15 4} Kh7 {(34. ... Kh7 35.Nhf1) -0.42/14 5} 35. Qe2
{(35.Qe2 Kh8 36.Nf3 Rf8 37.Rc1 Nf6 38.Nd2 Raa8 39.Nb3 g4 40.hxg4 Nxg4
41.Rf3) +0.95/15 4} Rc7 {(35. ... Rc7 36.Qd1) +0.09/13 5} 36. Qd2 {(36.Qd2
Kh8 37.Qd1 Ra8) +0.95/14 4} Ra8 {(36. ... Ra8 37.Qc1) +0.08/13 5} 37. Kg1
{(37.Kg1 Nf6 38.Ng4 Nxg4 39.hxg4 Rf8 40.f3 Kh8 41.Kh1 Rc4 42.Qe2 Qf6)
+0.96/14 4} Rc4 {(37. ... Rc4 38.Nf3 Nf6 39.Qc1 Kg7 40.Nd2 Rcc8 41.Nb1 Rc7
42.Rf3 Rca7 43.Nd2 Rc7) +0.08/12 5} 38. Qd1 {(38.Qd1 Nf6 39.Ng4 Nxg4
40.Qxg4 Rf8 41.Qd1 Kh8 42.Rf3) +0.83/14 4} Rc7 {(38. ... Rc7 39.Nf3 Nf6
40.Qc1 Kg7) +0.05/13 5} 39. Kh1 {(39.Kh1 Kh8 40.Qb3 Nf6 41.Ng4 Nxg4 42.hxg4
Qf6 43.Qc2 Qf4 44.Qg6 Qxf2 45.Qxh6+ Kg8 46.R1e2) +0.89/14 4} Rc6 {(39. ...
Rc6 40.Qb3 Nf6 41.Rd1 Rc7 42.Kg1 Kg7 43.Nf3 Rc6 44.Rc1 Rc7 45.Ree1)
-0.42/13 5} 40. Qe2 {(40.Qe2 Rc7 41.Nf3 Nf6 42.Rc1 Rf8 43.Nd2 Kh8 44.Nb3 g4
45.h4 Nh5 46.Nxh5) +0.86/15 4} Rc7 {(40. ... Rc7 41.Qd1) -0.44/14 5} 41.
Rc1 {(41.Rc1 Kh8 42.Qd1 Nf6 43.Ng4 Ne4 44.Nxe4 dxe4 45.Re1 h5 46.Ne3 Rf8
47.Qe2 d5 48.Rc2) +0.84/15 4} Rf8 {(41. ... Rf8 42.Rf3 Rfc8 43.Qd1 Nf6
44.Qb3 Ra7 45.Re3 Raa8) -0.42/14 4} 42. Kg1 {(42.Kg1 Kh8 43.Rf3 Nf6 44.Ng4
Rcc8 45.Nxf6 Rxf6 46.Rxf6 Qxf6 47.Qc2 Qf7 48.Re1 Bc6) +0.78/14 4} Rcc8
{(42. ... Rcc8 43.Qd1 Nf6 44.Qb3 Ra8 45.Nf3 Ne4 46.Nxe4 dxe4 47.Nd2 Qf7
48.Nxe4 Qf4) -0.42/13 4} 43. Re1 {(43.Re1 Kg7 44.Kh1 Kh8 45.Qd2 Nf6 46.R3e2
Rc4 47.Nf3 Rfc8) +0.85/14 4} Nf6 {(43. ... Nf6 44.Qd1 Rc6 45.Qb3 Ra6)
+0.06/14 4} 44. Ng4 {(44.Ng4 Ng8 45.Qd3 Qxd3 46.Rxd3 Nf6 47.f3 Rf7 48.Kh1
Rff8 49.Kh2 Kg7 50.Rde3) +0.66/14 4} Ng8 {(44. ... Ng8 45.Qd1 Ra8 46.Rf3 h5
47.Rxf8 Rxf8 48.Ne3 Nf6 49.f3 Rc8 50.Qd2 Bc6 51.Kh2) +0.04/13 4} 45. Qd2
{(45.Qd2 h5 46.Nh2 h4 47.Ne2 Nf6 48.Nf3 Ra8 49.Kh1 Ne4 50.Rxe4 dxe4
51.Nxg5+ Kh8 52.Qe3) +0.62/15 4} h5 {(45. ... h5 46.Nh2) -0.42/13 4} 46.
Nh2 {(46.Nh2 g4 47.hxg4 hxg4 48.Qd1 Nh6 49.Qc1 Nf5 50.Rd3 Nh6 51.Rdd1 Qf6
52.Qe3) +0.57/15 4} Nh6 {(46. ... Nh6 47.Nf3 Nf7 48.Kh1 Kg7 49.Qc1 Ra8
50.Qd2 Rfc8 51.Qd3 Qxd3) 0.00/12 4} 47. Nf3 {(47.Nf3 Kh8 48.Qd3 Nf5 49.h4
gxh4 50.Nxf5 Qxf5 51.Qxf5 Rxf5 52.Nxh4 Rg5 53.Nf3 Rg4 54.Kh1 Rcg8) +0.87/14
4} Nf7 {(47. ... Nf7 48.Qc1 Ra8 49.Nd2 h4 50.Ngf1 Ra7 51.Nf3 Qf5 52.N1d2
Rc8 53.Kh1 Kg6) 0.00/12 4} 48. Qd3 {(48.Qd3 Qxd3 49.Rxd3 Kh6 50.Nd2 h4
51.Ngf1 Nd8 52.Nf3 Nc6 53.Ne3 Rf4 54.Kh1) +0.71/14 3} Qxd3 {(48. ... Qxd3
49.Rxd3 Kh6 50.Kh1 Rc7 51.Rb1 Ra8) -0.35/15 4} 49. Rxd3 {(49.Rxd3 Kh6
50.Ree3 g4 51.hxg4 hxg4 52.Ne1 Ng5 53.Nc2 Ra8 54.Re1 Bc6 55.Ne3 Rf4)
+0.55/16 3} Kh6 {(49. ... Kh6 50.Rb1) -0.34/14 4} 50. Kf1 {(50.Kf1 Kg6
51.Ree3 g4 52.hxg4 hxg4 53.Ne1 Ra8 54.Nc2 Ng5 55.Ke1 Bc6) +0.59/15 3} Rc7
{(50. ... Rc7 51.Kg1 Rfc8 52.Ne2 h4 53.Kh1 Kh7 54.Nfg1 Bc6 55.Nf3 e5
56.Rdd1 Kg6) +0.14/14 4} 51. Ne2 {(51.Ne2 Kg7 52.h4 g4 53.Nd2 Nh6 54.Kg1
Kg8 55.Nb3 Kh8 56.Ng3 Nf5 57.Nxf5) +0.57/15 3} Nh8 {(51. ... Nh8 52.Rb1)
-0.20/15 4} 52. Red1 {(52.Red1 Ng6 53.Ke1 Rf7 54.Re3 g4 55.hxg4 hxg4 56.Nh2
Kg5 57.Ng3 Rc8 58.f3) +0.53/15 4} Ng6 {(52. ... Ng6 53.Re3 Ne7) +0.24/14 3}
53. Re3 {(53.Re3 Rcc8 54.Ng3 g4 55.hxg4 hxg4 56.Nh2 Kg5 57.f3 gxf3 58.Nxf3+
Kh6 59.Kg1 Kh7 60.Rf1) +0.40/15 3} Rf7 {(53. ... Rf7 54.Ng3 h4 55.Ne2 Nf4
56.Rb1 Nxe2 57.Kxe2 Kg6 58.Kf1 Rf8 59.Rb3 Ra8 60.Rb1) -0.22/14 3} 54. Ke1
{(54.Ke1 Rc8 55.Kd2 e5 56.dxe5 dxe5 57.Nxe5 Nxe5 58.Rxe5 Rxf2 59.g4 hxg4
60.Rxd5 Re8 61.Re1 Bf5 62.Rd6+ Re6) +0.44/15 3} Nf4 {(54. ... Nf4 55.Kf1
Nxe2 56.Kxe2 Rc8 57.Kf1 Rf4 58.Ne1 Kg6 59.Nc2 Ra8 60.Kg1 Rff8 61.Ree1 Rfc8)
+0.32/14 3} 55. Nxf4 {(55.Nxf4 gxf4 56.Red3 Be8 57.g3 Rg7 58.gxf4 Bg6
59.Re3 Bf5 60.Ng5 Rg6 61.Rg3 Kg7 62.h4 Kf8) +0.40/16 3} gxf4 {(55. ... gxf4
56.Red3 Be8 57.Kf1 Rfe7 58.Rc1 Rc6 59.Ng1 Bg6 60.Rdd1 Bf5) -0.02/16 3} 56.
Red3 {(56.Red3 Be8 57.g3 Rf8 58.Nh4 Bg6 59.Nxg6 Kxg6 60.Rf3 Kg7 61.Kf1 Rfc8
62.Re1 Rxc3 63.Rxf4) +0.32/18 3} Be8 {(56. ... Be8 57.Kf1 Rfe7 58.Rc1 Bg6
59.Rdd1 Rc6 60.Ng1) -0.02/16 3} 57. g3 {(57.g3 fxg3 58.fxg3 Rf8 59.Nh4 Bg6
60.Nxg6 Kxg6 61.Re3 Rf6 62.Kd2 Kh6 63.Re2 Kg5 64.Rg1 Kg6) +0.32/17 3} Rf6
{(57. ... Rf6 58.Nh4 fxg3) +0.49/15 3} 58. g4 {(58.g4 Rf8 59.g5+ Kh7 60.Rc1
Bg6 61.Rdd1 Rfc8 62.Ng1 Rxc3 63.Rxc3 Rxc3 64.Ne2 Rxh3 65.Nxf4 Rh1+ 66.Ke2
Rxd1) +0.20/16 3} Rf8 {(58. ... Rf8 59.g5+ Kh7 60.Rc1 Bg6 61.Rdd1 Be4
62.Nd2 Kg6 63.h4 Bf5 64.Ke2 Rfc8 65.Rg1 Rxc3 66.Rxc3 Rxc3) +0.06/16 3} 59.
g5+ {(59.g5+ Kh7 60.Rc1 Bg6 61.Rdd1 Rfc8 62.Kd2 Kg7 63.h4 Bf5 64.Rh1 Be4
65.Rh3 Bf5 66.Rhh1) 0.00/17 4} Kh7 {(59. ... Kh7 60.Rc1) +0.29/17 3} 60.
Rc1 {(60.Rc1 Bg6 61.Rdd1 Be4 62.Nd2 Bg6 63.Nf3) 0.00/19 3} Bg6 {(60. ...
Bg6 61.Rdd1 Be4 62.Ke2 Rfc8 63.Ne1 Kg6 64.h4 Rxc3 65.Rxc3 Rxc3 66.f3 Bf5
67.Kf2 Rc8 68.Ng2 Rc2+ 69.Kg1 e5 70.dxe5 dxe5) +0.80/17 3} 61. Rdd1
{(61.Rdd1 Be4 62.Nd2 Bf5 63.Nf3 Bxh3 64.Nh4 Rg8 65.g6+ Kh6 66.Rb1 Rxc3
67.Kd2 Rc7 68.Ng2 Bxg2 69.Rbc1 Rxg6) -0.28/19 3} Be4 {(61. ... Be4 62.Ke2
Rfc8 63.Ne1 Rxc3 64.Rxc3 Rxc3 65.f3 Bf5 66.h4 Rc4 67.Ng2 Rxb4 68.Nxf4 Rb2+
69.Rd2 Bb1 70.g6+ Bxg6 71.Nxe6) +0.34/17 3} 62. Nd2 {(62.Nd2 Bf5 63.h4 Rfc8
64.Ke2 Rxc3 65.Rxc3 Rxc3 66.Nf3 Rxf3 67.Kxf3 Bg4+ 68.Kg2 Bxd1 69.Kf1 Kg7
70.Ke1 e5) -0.61/18 3} Bf5 {(62. ... Bf5 63.h4 Rfc8 64.f3) +0.92/17 3} 63.
... {0-1 White forfeits on time} 0-1
Both x64 4cpu.

Best,
hi, merhaba, hallo HT
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beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Little Thought 1.04 64-bit 2-CPU

Post by beachknight »

SzG wrote:
beachknight wrote:
SzG wrote:I have started a gauntlet with this engine but had to call it off as there were uncomfortably too many crashes.

My system is Q6600, Vista Home Basic 64-bit.

Anyone successfully running this engine?
Hello Gabor,

No crashes. But LT104 x64 4cpu lost almost all games on time.

My system :) : Q6600 @ 2.40GHz4x 2400 MHz with 2.048 MB Memory
Operating system: Microsoft Windows XP 64 Bit Professional Service Pack 2 (Build 3790)

Best,
Thanks for the reply, Harun. So you also have time forfeits (all my crashes were preceeded by time forfeits). I may try to see if it also exceeds time when using only 1 thread.

Regards,
Just found a novelty in LT104x64:
TimeBuffer - Forces LT to think it has this many secs less than he really does for the time control. Used to avoid issue
with Polyglot on new cygwin.dll where a value of 15 works well (default 0, valid 0-60).
Well, I'll try next time with 15.

Best,
hi, merhaba, hallo HT
User avatar
beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Little Thought 1.04 64-bit 2-CPU

Post by beachknight »

SzG wrote:
beachknight wrote: Just found a novelty in LT104x64:
TimeBuffer - Forces LT to think it has this many secs less than he really does for the time control. Used to avoid issue
with Polyglot on new cygwin.dll where a value of 15 works well (default 0, valid 0-60).
Well, I'll try next time with 15.
I was aware of this parameter but I found it unnecessary to alter it as I don't use polyglot. I find it strange anyway as it introduces a time handicap for LT.
I used LT under the Shredder 12 GUI when these time forfeits occurred.
I have been using Arena. I'll test with Shredder GUI later.

Well, If LT104x644cpu works smoothly with TimeBuffer =15,
I'll try lower values like 10 and then 5...

Best,
hi, merhaba, hallo HT
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nthom
Posts: 112
Joined: Thu Mar 09, 2006 6:15 am
Location: Australia

Re: Little Thought 1.04 64-bit 2-CPU

Post by nthom »

Hi guys, sorry don't check this forum often. I am aware that the multithreaded LT search is terrible - just use a single CPU and it performs much better and has never crashed on me :) Its on my todo list for 1.05 to fix!
User avatar
beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Little Thought 1.04 64-bit 2-CPU

Post by beachknight »

nthom wrote:Hi guys, sorry don't check this forum often. I am aware that the multithreaded LT search is terrible - just use a single CPU and it performs much better and has never crashed on me :) Its on my todo list for 1.05 to fix!
Thanks for the info, Nathan. You have saved my computers time :)

Best,
hi, merhaba, hallo HT