11258 48x5 Giving decent performance on low end Nvidia GPU

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11258 48x5 Giving decent performance on low end Nvidia GPU

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11258-48x5-se.pb.gz is giving decent performance on low end Nvidia laptop graphics card.

Image
Image

Here is a sample of LC0 playing an LTC game versus Shredder Clasic 5 on my laptop.

[pgn]
[Event "40 Moves in 120 min; 20 Moves in 60 min"]
[Site "Engine Match"]
[Date "2019.05.11"]
[Round "2"]
[White "Shredder Classic 5 x64 [SYZYGY"]
[Black "Lc0 v0.22.0 11258_48x5 \[CUDA\]"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "205"]
[EventDate "2019.??.??"]

1. Nf3 {book 0s} c5 {book 0s} 2. e4 {book 0s} Nc6 {book 0s} 3. Bb5 {book 0s} g6
{book 0s} 4. O-O {book 0s} Bg7 {book 0s} 5. d3 {book 0s} Nf6 {book 0s} 6. Re1 {
book 0s} O-O {book 0s} 7. e5 {0.07/28 379} Nd5 {0.05/11 104} 8. Bxc6 {0.12/28
202} bxc6 {0.06/12 62} 9. Nbd2 {0.09/29 164} d6 {0.07/12 91 (Nc7)} 10. h3 {
0.05/29 211 (Nc4)} h6 {0.06/10 415 (Nf4). B31: Sicilian: 2...Nc6 3 Bb5 g6} 11.
Nc4 {0.06/26 279} Be6 {0.05/15 36} 12. b3 {0.15/27 246 (Bd2)} Qd7 {0.00/13 233
(Nb6)} 13. Bb2 {0.24/28 154 [#] (Na5)} Nf4 $146 {-0.05/17 214 (f6)} ({
Predecessor:} 13... f6 14. exd6 exd6 {0-1 (68) Zvjaginsev,V (2659)-Mamedov,R
(2641) Rhodes 2013}) 14. exd6 {0.07/30 479 (Bc1)} exd6 {-0.11/18 128} 15. Bxg7
{0.06/31 132} Kxg7 {-0.10/20 22} 16. Qd2 {0.04/30 221} g5 {-0.15/19 155} 17.
Ne3 {0.04/30 239 (Re4)} Kh7 {0.00/15 676 (Qd8)} 18. d4 {0.44/30 382 (h4)} Bxh3
{-0.10/17 162 (Bd5)} 19. gxh3 {0.00/30 234} Qxh3 {-0.03/17 4} 20. Nh2 $1 {
0.39/33 370} cxd4 $1 {0.00/16 0} 21. Qxd4 {0.32/32 168} Rae8 {0.02/16 440} 22.
Qd2 $1 {0.35/35 20} Re4 {0.01/19 330 (d5)} 23. Kh1 {0.32/29 362 (f3)} Rfe8 $1 {
-0.13/13 226} 24. Rg1 {0.19/31 180} (24. Kg1 $2 Rd4 $1 $19) 24... d5 {-0.15/17
1 (Qe6)} 25. Rg3 {0.53/28 268 (c3)} Qh5 {-0.01/14 316 (Qe6)} 26. Rf3 {0.35/30
512 (Ng2)} Qg6 {-0.10/13 312} 27. c3 {0.39/27 124 (Rg1)} a5 {-0.12/11 318} 28.
a3 {0.35/27 99 (Rd1)} f5 {-0.15/12 232 (h5)} 29. b4 {0.23/25 181 (a4)} a4 {
-0.15/12 165} 30. Nc2 {0.35/29 122 (Rd1)} Re2 {-0.20/19 216} 31. Qd1 {0.00/32
150} Qe6 {-0.16/30 51 (R2e4)} 32. Kg1 {0.16/34 322} Qe4 $132 {-0.11/33 1 Black
puts up resistance} 33. Nd4 {0.15/35 91} Rb2 {-0.11/26 0 (Re1+)} 34. Qc1 $1 {
0.24/33 235} (34. Qxa4 $2 g4 $19) 34... Ne2+ {-0.05/25 0 (Rb3)} 35. Nxe2 {
0.10/33 119} Rxe2 {-0.01/25 2 (Qxe2)} 36. Rh3 {0.14/32 72 (Qb1)} f4 {0.79/18
505 (Re1+)} (36... Kg6 $11 {0.12/17 keeps the balance.}) 37. Ng4 $16 {1.33/30
91} Kg7 {0.22/28 2} 38. Qd1 {0.75/30 136} ({Inferior is} 38. Nxh6 Rh8 $17)
38... f3 $1 {0.21/31 95} 39. Qd4+ {0.82/36 16} Qxd4 {0.22/24 65} 40. cxd4 {
0.85/38 62} R8e4 $1 {0.23/18 0} 41. Ne5 {0.87/40 375 (Rg3)} ({Much weaker is}
41. Nxh6 g4 $11) 41... g4 {0.42/28 283} 42. Rh5 {1.09/37 287} g3 {0.52/27 1110}
43. Nxf3 {0.82/42 0} ({Not} 43. fxg3 $2 f2+ 44. Kg2 Re1 $19) 43... Kg6 {
0.44/31 109 (Rf4)} 44. Rh1 {1.08/36 624 (Rh3)} gxf2+ {0.56/17 495} 45. Kg2 {
1.17/36 131} Kf5 {0.60/20 786 (Kg7)} 46. Rh5+ {0.19/19 747 (Ne5)} (46. Ne5 $14
{0.63/13}) 46... Kg4 $11 {0.06/19 128} 47. Rh4+ {0.48/36 251} Kf5 {0.10/22 0
[#] ...Rxh4 is the strong threat.} 48. Rah1 {0.35/37 441 (Rh5+)} Ra2 {0.09/17
235} 49. Rh5+ {0.39/37 0} Kf4 {0.19/23 146} 50. Rf1 {0.30/36 9} Rxa3 {0.26/22
119} 51. Rxf2 {0.29/35 80} Ke3 {0.27/29 25} 52. Kg3 {0.25/34 204 (Rc2).
Threatening Rc2.} Rc3 {0.06/16 308} 53. Rxh6 {0.13/35 85 (Ra2). Black should
prevent Ra2.} a3 {0.04/15 193} 54. Rd2 {0.13/35 0 [#] (Ra2). Rhh2 would kill
now.} Rf4 {0.04/15 220 (Re8)} 55. Re6+ {0.05/32 88} Re4 {0.06/14 0} 56. Rf6 {
0.05/33 62} Re8 {0.05/19 169} 57. Ra2 {0.05/34 0 (Rg6)} Rg8+ {-0.01/13 209} 58.
Kh4 {0.04/34 0} Ke4 {-0.01/13 293} 59. Ra1 {0.00/32 0 (Ne5)} Rh8+ {-0.01/14
197 (Kd3)} 60. Kg5 {0.00/32 196 (Kg4)} Rg8+ {-0.01/13 72} 61. Kh6 {0.00/35 108
(Kh4)} Ke3 {-0.09/15 405 (a2)} 62. Rd1 {0.00/32 239 (Kh5). White wants to play
Ng1.} Ke2 {-0.08/17 480} 63. Rd2+ {0.00/40 0 (Ra1)} Ke3 {-0.07/17 186} 64. Ra2
{0.00/39 173 (Rd1)} Rg3 {-0.22/16 247 (Ke4)} 65. Nh4 {0.00/34 208} Rg8 {
-0.10/17 466 (Rh3)} 66. Nf5+ {0.04/31 269} Ke4 {-0.06/20 0} 67. Kh7 {0.00/31
328 (Re2+)} Rg1 {-0.09/14 226 (Ra8)} 68. Rh2 {0.04/31 398 (Re2+)} Rb1 {-0.12/
15 225} 69. Rd2 {0.01/30 2 (Kg6)} Rb2 {-0.34/16 201 (Rxb4)} 70. Rd1 {0.01/31
177} a2 {-0.30/17 2} 71. Nd6+ {0.00/31 161} Ke3 {-0.29/26 0 Black has
compensation.} 72. Re6+ {0.00/33 204} Kf2 {-0.26/18 1} 73. Ra1 {0.00/34 194}
Rcc2 {-0.24/15 1 Strongly threatening ...Rb1.} 74. Ree1 $1 {0.00/35 182} Re2 {
-0.19/17 208} 75. Red1 {0.00/37 19} Re7+ {-0.17/17 142} 76. Kh8 {0.00/39 54
(Kg8)} Ra7 {-0.57/16 240} 77. Rh1 {0.00/40 75 (Nf7)} Ke3 {-1.01/14 174} 78.
Rad1 {0.00/41 92} Rxb4 {-1.01/17 1} 79. Rhe1+ {0.00/47 284} Kf2 {-0.96/18 96
(Kf3)} 80. Rf1+ {0.00/46 214} Kg2 {-0.95/18 22 (Ke2)} 81. Rg1+ {0.00/52 221}
Kh2 {-0.89/18 676 (Kf3)} 82. Rh1+ {0.00/52 306} Kg3 {-0.84/19 87} 83. Rhg1+ {
0.00/53 193} Kh3 {-0.80/18 481 (Kh2)} 84. Rh1+ {0.00/53 216} Kg4 {-0.74/18 370
(Kg2)} 85. Rhg1+ {0.00/51 182} Kh5 {-0.73/19 175 (Kf3). And now ...Rb8+ would
win.} 86. Rh1+ {0.00/48 176} Kg5 {-0.69/20 132 (Kg4)} 87. Rhg1+ $1 {0.00/48 353
} Kh5 {-0.59/20 94} 88. Rh1+ {0.00/51 194} Kg5 {-0.46/20 485} 89. Rhg1+ $1 {
0.00/52 169} Kf4 {-0.42/20 0} 90. Rgf1+ {0.00/49 404} Kg4 {-0.30/18 301} 91.
Rg1+ {0.00/49 46} Kf3 {-0.25/16 144 Threatens to win with ...Rb8+.} 92. Rgf1+ {
0.00/53 140} Ke2 {-0.20/14 3} 93. Rfe1+ {0.00/56 213 The position is equal.}
Kf2 {-0.13/13 229 (Kf3). White must now prevent ...Rb8+.} 94. Rf1+ {0.00/57 212
} Ke2 {-0.09/11 113} 95. Rfe1+ {0.00/57 165} Kf3 {-0.08/10 0} 96. Rf1+ {
0.00/61 300} Ke3 {-0.05/9 215} 97. Rfe1+ {0.00/49 94} Kf4 {-0.05/8 0 aiming
for ...Rb8+.} 98. Rf1+ {0.00/53 114} Kg3 {-0.04/7 0} 99. Rg1+ {0.00/49 101} Kh2
{-0.03/6 292 Hoping for ...Rb8+.} 100. Rh1+ {0.00/53 60} Kg2 {-0.02/5 0} 101.
Rhg1+ $1 {0.00/54 180} Kh3 {-0.01/3 297} 102. Rh1+ {0.00/54 200} Kg4 {0.00/3
447 ( -> ...Rb8+)} 103. Rhg1+ {0.00/55 179 Accuracy: White = 74%, Black = 78%.}
1/2-1/2
[/pgn]
"Good decisions come from experience, and experience comes from bad decisions."
__________________________________________________________________
Ted Summers