Reversi solver on Rust
GPLv3
AVX2 and BMI2 enabled x86_64 CPU (Intel: Haswell or later, AMD: Excavator or later)
issen-rs is now portable! We have confirmed that it works on x86_64 (AMD64) and AArch64.
prepare evaluation table
$ wget https://poyo.me/reversi/table220710.tar.gz
$ tar xf table220710.tar.gzcompile and run
$ cargo run --release -- ffobench- Date: 2024/03/29
- Hardware: AMD Ryzen 9 7950X3D, DDR5-4800 64GB
- Environment: Linux 6.5.0-26-generic, Ubuntu 22.04.4, rustc 1.78.0-nightly
FFO 40-59
| No. | empties | result | answer | move | nodes | time | NPS |
|---|---|---|---|---|---|---|---|
| 40 | 20 | +38 | +38 | A2 | 76.2M | 0.062s | 1209M/s |
| 41 | 22 | +0 | +0 | H4 | 87.2M | 0.080s | 1076M/s |
| 42 | 22 | +6 | +6 | G2 | 270M | 0.178s | 1511M/s |
| 43 | 23 | -12 | -12 | C7 | 164M | 0.146s | 1122M/s |
| 44 | 23 | -14 | -14 | D2 | 84.3M | 0.081s | 1029M/s |
| 45 | 24 | +6 | +6 | B2 | 1.51G | 0.978s | 1547M/s |
| 46 | 24 | -8 | -8 | B3 | 443M | 0.329s | 1343M/s |
| 47 | 25 | +4 | +4 | G2 | 133M | 0.122s | 1084M/s |
| 48 | 25 | +28 | +28 | F6 | 874M | 0.676s | 1291M/s |
| 49 | 26 | +16 | +16 | E1 | 3.14G | 2.047s | 1536M/s |
| 50 | 26 | +10 | +10 | D8 | 3.24G | 2.543s | 1276M/s |
| 51 | 27 | +6 | +6 | E2 | 1.41G | 1.188s | 1191M/s |
| 52 | 27 | +0 | +0 | A3 | 1.42G | 1.175s | 1208M/s |
| 53 | 28 | -2 | -2 | D8 | 4.91G | 4.038s | 1216M/s |
| 54 | 28 | -2 | -2 | C7 | 13.6G | 9.923s | 1375M/s |
| 55 | 29 | +0 | +0 | G6 | 27.3G | 25.529s | 1070M/s |
| 56 | 29 | +2 | +2 | H5 | 4.26G | 4.629s | 921M/s |
| 57 | 30 | -10 | -10 | A6 | 19.6G | 18.350s | 1071M/s |
| 58 | 30 | +4 | +4 | G1 | 4.48G | 4.760s | 942M/s |
| 59 | 34 | +64 | +64 | G8 | 1.26k | 0.029s | 0M/s |
[Total] elapsed: 76872921us, node count: 87193095283, NPS: 1134249800nodes/sec
FFO 60-79
| No. | empties | result | answer | move | nodes | time | NPS |
|---|---|---|---|---|---|---|---|
| 60 | 24 | +20 | +20 | C2 | 213M | 0.175s | 1213M/s |
| 61 | 25 | -14 | -14 | G1 | 344M | 0.325s | 1058M/s |
| 62 | 27 | +28 | +28 | E8 | 7.61G | 6.587s | 1155M/s |
| 63 | 27 | -2 | -2 | F2 | 2.89G | 2.383s | 1215M/s |
| 64 | 27 | +20 | +20 | B4 | 10.4G | 8.675s | 1204M/s |
| 65 | 28 | +10 | +10 | G1 | 26.6G | 18.953s | 1405M/s |
| 66 | 28 | +30 | +30 | H3 | 19.7G | 15.215s | 1299M/s |
| 67 | 28 | +22 | +22 | H3 | 25.8G | 18.823s | 1375M/s |
| 68 | 30 | +28 | +28 | E8 | 116G | 90.898s | 1287M/s |
| 69 | 30 | +0 | +0 | H3 | 14.5G | 13.385s | 1086M/s |
| 70 | 30 | -24 | -24 | E3 | 13.0G | 11.413s | 1146M/s |
| 71 | 31 | +20 | +20 | D2 | 21.3G | 21.350s | 999M/s |
| 72 | 31 | +24 | +24 | E1 | 178G | 197.643s | 902M/s |
| 73 | 31 | -4 | -4 | G4 | 25.8G | 31.323s | 824M/s |
| 74 | 31 | -30 | -30 | F1 | 599G | 580.678s | 1031M/s |
| 75 | 32 | +14 | +14 | D2 | 234G | 180.377s | 1300M/s |
| 76 | 32 | +32 | +32 | A3 | 1.56T | 1441.196s | 1087M/s |
| 77 | 34 | +34 | +34 | B7 | 1.23T | 1122.816s | 1100M/s |
| 78 | 34 | +8 | +8 | F1 | 571G | 831.075s | 687M/s |
| 79 | 36 | +64 | +64 | D7 | 14.6G | 12.269s | 1191M/s |
[Total] elapsed: 4605575684us, node count: 4685891940872, NPS: 1017438918nodes/sec