How many kn/sec makes Houdini 6 on a Ryzen7 CPU?

[schack]

Ryzen 1700 @ 3.2Ghz, 4096mb hash, 8 threads

#1
info multipv 1 depth 25 seldepth 46 score cp 23 time 60004 nodes 737816049 nps 12296000 tbhits 0 hashfull 796 pv d2d4

#2
info multipv 1 depth 25 seldepth 49 score cp 20 time 60004 nodes 753066144 nps 12550000 tbhits 0 hashfull 806 pv e2e4 e7e6

Ryzen 1700 @ 3.7Ghz (via ZenStates) 4096mb hash, 8 threads

#1
info multipv 1 depth 27 seldepth 48 score cp 15 time 60002 nodes 847325405 nps 14121000 tbhits 0 hashfull 851 pv e2e4 e7e6

#2
info multipv 1 depth 28 seldepth 51 score cp 25 time 60003 nodes 849154941 nps 14151000 tbhits 0 hashfull 862 pv d2d4

[schack]

Robert, are there any drawbacks to enabling Large Pages for chess or for general use?

[Waschbaer]

Ryzen 7 1800X 3950 MHz, 64GByte RAM (all 4 slots used --> slower), large pages used, 16 Threads

4 GByte hash

info multipv 1 depth 25 seldepth 49 score cp 31 time 60009 nodes 1419257443 nps 23650000 tbhits 0 hashfull 969 pv d2d4
bestmove d2d4 ponder e7e6


8 GByte hash

info multipv 1 depth 25 seldepth 47 score cp 18 time 60006 nodes 1413627844 nps 23558000 tbhits 0 hashfull 745 pv d2d4 d7d5
bestmove d2d4 ponder d7d5


16 GByte hash (16384 MByte Large Page)

info multipv 1 depth 25 seldepth 46 score cp 25 time 60014 nodes 1422724845 nps 23706000 tbhits 0 hashfull 474 pv d2d4
bestmove d2d4 ponder e7e6

[Waschbaer]

Ryzen 7 1800X 3950 MHz, 64GByte RAM (all 4 slots used --> slower), large pages used, 16 Threads

Houdini 6.01

4 GByte RAM

info multipv 1 depth 26 seldepth 48 score cp 28 time 60007 nodes 1415249029 nps 23584000 tbhits 0 hashfull 968 pv d2d4
bestmove d2d4 ponder d7d5


32 GByte RAM (32768 MByte Large Pages)

info multipv 1 depth 26 seldepth 50 score cp 24 time 60003 nodes 1434181677 nps 23901000 tbhits 0 hashfull 275 pv e2e4 e7e6
bestmove e2e4 ponder e7e6

[beram]

I got this with 4Gb Hash on my AMD Ryzen 7 1800X 16threads(8core) 18.852 kns

1.d2-d4
= (0.28 ++) Diepte: 25/47 00:00:59 1124MN
1.d2-d4 d7-d5
= (0.21 --) Diepte: 25/47 00:01:04 1200MN

[Houdini]

Here a result in an interesting KID position (taken from the Rybka forum).
[D]1r3rk1/1n1bqpb1/p2p1np1/1ppPp2p/2P1P3/1P1BBP1P/P2Q2P1/3NRRNK w - - 0 20

AMD Ryzen 1700 @ 3.7 GHz, 16 threads, 8192 MB of Large Page hash, 6-men Syzygy
22 MN/s on a board full of pieces. After 7.5 hours about 600 billion nodes.
Very impressive for a €300 CPU in a €800 system.

Code: Select all

 21/46     00:09,478       217 104k   22 906k   +0,77   20.Bg5 Qe8 21.f4 Nh7 22.f5 Nxg5 23.Qxg5 f6 24.Qxg6 Qxg6 25.fxg6 bxc4 26.Bxc4 f5 27.Bxa6 fxe4 28.Nc3 Rxf1 29.Rxf1 Be8 30.Nxe4 Bxg6 31.Bd3 Ra8 32.Rf2 h4 33.Nf3 Bxe4 34.Bxe4 Bf6 35.Bd3 c4 36.bxc4
 22/46     00:10,195       233 605k   22 913k   +0,74   20.Bg5 Qe8 21.f4 Nh7 22.f5 Nxg5 23.Qxg5 f6 24.Qxg6 Qxg6 25.fxg6 bxc4 26.Bxc4 f5 27.Bxa6 fxe4 28.Rxf8+ Bxf8 29.Nc3 Kg7 30.Nxe4 Be7 31.Nf3 Bf5 32.Kh2 Na5 33.g3 c4 34.bxc4 Rb4 35.Nh4
 23/46     00:12,422       284 534k   22 905k   +0,71   20.Bg5 Qe8 21.f4 Nh7 22.f5 Nxg5 23.Qxg5 Kh7 24.Qh4 f6 25.Ne3 g5 26.Qf2 Kg8 27.Ne2 b4 28.Qf3 Qf7 29.Ng3 Be8 30.Qf2 h4 31.Ne2 a5 32.Ng4 a4 33.Nc1
 23/49     01:12,034     1 642 301k   22 798k   +1,20   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Nf2 f6 24.Ng4 g5 25.a3 a5 26.Ra1 Nf4 27.axb4 cxb4 28.Bb6 Be8 29.Bxa5 Nxd3 30.Qxd3 Nc5 31.Qe3 Bh5 32.Ng1 Kh8 33.Nf3
 24/49     01:17,159     1 755 959k   22 757k   +1,15   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Nf2 Bg5 27.Qb2 a5 28.Ng4 a4 29.bxa4 Na5 30.Rf3 Bxa4 31.fxg6+ fxg6 32.Rxf8 Qxf8 33.Kg1
 25/49     01:20,690     1 834 355k   22 733k   +1,11   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Nf2 Bg5 27.Qb2 Kg8 28.Ng4 Re8 29.Bc2 a5 30.a3 gxf5 31.exf5 Nf6 32.Nxf6+ Bxf6 33.Be4 a4 34.Rf3 Na5 35.axb4
 26/56     03:11,055     4 272 625k   22 363k   +1,22   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 Rg8 28.Nf2 Re8 29.Rf1 Kh8 30.a3 a5 31.Ra1 Nf6 32.g4 gxf5 33.gxf5 Qd8 34.Rg1 Bh6 35.Ng4 Nxg4 36.Rxg4 bxa3 37.Qa2
 27/56     03:36,838     4 845 572k   22 346k   +1,27   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 Rg8 28.Nf2 a5 29.Rg1 Rh8 30.g4 hxg3 31.Nxg3 Nf4 32.Ne2 Kg7 33.Nxf4 Bxf4 34.Qb2 Qf6 35.Rg4 a4 36.Kg2 Rh5 37.bxa4
 28/56     03:42,503     4 972 789k   22 349k   +1,28   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 Rg8 28.Nf2 a5 29.Rg1 Rh8 30.g4 hxg3 31.Nxg3 Nf4 32.Ne2 Kg7 33.Nxf4 Bxf4 34.Qb2 Qf6 35.Rg4 a4 36.Kg2 Ra8 37.bxa4
 29/63     07:55,231    10 530 543k   22 158k   +1,36   20.f4 h4 21.f5 Nh5 22.Ne2 Ra8 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 Qf6 28.Nf2 b4 29.Rf1 Qg7 30.Ng4 Kh8 31.Qd1 Rg8 32.fxg6 f6 33.Qe1 Qxg6 34.Qf2 Nd8 35.Kg1 Nf7 36.Kh2 Nh6 37.Ne3
 30/63     14:07,972    18 696 178k   22 048k   +1,45   20.f4 h4 21.f5 Nh5 22.Ne2 Ra8 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 b4 28.Ref1 Qf6 29.Nf2 Rg8 30.Ng4 Qd8 31.g3 f6 32.Rg1 Qe8 33.gxh4 Bxh4 34.Qc1 Bg5 35.fxg6+ Rxg6 36.Qe1 Kh8 37.Kh2
 31/65     22:17,712    29 416 202k   21 989k   +1,43   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Rf3 gxf5 24.exf5 e4 25.Bxe4 Qxe4 26.Nf2 Qe5 27.Nd3 Qe7 28.Bh6 Bc3 29.Nxc3 bxc3 30.Qxc3 Qf6 31.Qxf6 Nxf6 32.Bxf8 Kxf8 33.Nf4 Re8 34.Rxe8+ Kxe8 35.Ne2 Nh5 36.f6 Kd8 37.Kg1 Kc7 38.Kf2 Nd8 39.Nc3 Kb8 40.Ne4 Nb7 41.Ke3
 32/67     29:03,572    38 310 547k   21 972k   +1,36   20.f4 h4 21.f5 Nh5 22.Ne2 Ra8 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 Re8 28.Ne3 Kg7 29.Rg1 Rh8 30.Rgf1 b4 31.Qc1 gxf5 32.Rxf5 f6 33.R5f3 Kh7 34.Qe1 Qe8 35.Qf2 Rg8 36.Ng4 Rg6 37.Kh2 Bxg4 38.hxg4 Nf4
 33/67     30:16,741    39 924 093k   21 975k   +1,36   20.f4 h4 21.f5 Nh5 22.Ne2 Ra8 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 Re8 28.Ne3 Kg7 29.Ref1 b4 30.Ng4 Kg8 31.g3 gxf5 32.gxh4 fxg4 33.Rxf7 Qxf7 34.Rxf7 Kxf7 35.hxg5 gxh3 36.Ng1 Kg6 37.Qf2 Nd8 38.Nf3 Nf4 39.Bb1 Bg4 40.Kh2
 34/69     34:46,547    45 898 260k   21 997k   +1,41   20.f4 h4 21.f5 Nh5 22.Ne2 Ra8 23.Bg5 Bf6 24.Bh6 Kh7 25.Bxf8 Rxf8 26.Rf3 Bg5 27.Qc2 Kg7 28.Ref1 Rd8 29.Ne3 b4 30.Qb1 Bxe3 31.Rxe3 Qg5 32.Ref3 gxf5 33.exf5 Nf6 34.g4 a5 35.Be4 a4 36.Qc2 Kg8 37.Bd3 a3 38.Be4
 35/74   3:40:08,769   291 314 391k   22 054k   +1,64   20.f4 h4 21.f5 Nh5 22.Ne2 Ra8 23.Rf2 Kh7 24.Rf3 Rg8 25.Nf2 Bf6 26.Ng4 g5 27.a3 Kh8 28.Rb1 Nf4 29.Qc3 Nh5 30.Qe1 Rab8 31.Qd2 Nf4 32.Qc3 Nh5 33.Kh2 Qd8 34.Qe1 Bg7 35.cxb5 axb5 36.Nc3 b4 37.axb4 cxb4 38.Na4 Nf4 39.Bf1 Na5 40.Bd2 Nxb3 41.Rfxb3

 36/84   5:53:23,237   469 371 746k   22 136k   +1,83   20.f4 h4 21.f5 Nh5 22.Ne2 Nd8 23.Rg1 bxc4 24.bxc4 Re8 25.Ref1 Rf8 26.Nf2 Rb7 27.Qc1 Kh8 28.Ng4 f6 29.fxg6 Bxg4 30.hxg4 Ng3+ 31.Nxg3 hxg3 32.g5 Qe8 33.Rf3 Qxg6 34.Rxg3 fxg5 35.Bxg5 Kg8 36.Bh4 Qh5 37.Rh3 Qg4 38.Qe3 Nf7 39.Be2 Qf4 40.Rf1 Qxe3 41.Rxe3 Nh8 42.Rxf8+ Kxf8 43.Bh5 Kg8 44.Ra3 Rb4

 37/84   7:28:18,326   595 775 820k   22 149k   +1,64   20.f4 h4 21.f5 Nh5 22.Ne2 b4 23.Rf3 gxf5 24.exf5 e4 25.Bxe4 Qxe4 26.Nf2 Qe5 27.Nd3 Qe7 28.Bg5 f6 29.Bxh4 Qf7 30.g4 Rbe8 31.gxh5 Qxh5 32.Qf4 Bh6 33.Ng3 Rxe1+ 34.Nxe1 Bxf4 35.Nxh5 Bg5 36.Bxg5 fxg5 37.Ng3 Kg7 38.Nd3 Nd8 39.Nf2 Nf7 40.Ng4 Rh8 41.Kg2 Bc8 42.Re3 Kf8 43.Re1 Rh4 44.Rf1 Ke7 45.Rf3 Kd8 46.Ne4 Ke7 47.Kg3 Rh8 48.Kf2