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Up Topic Hauptforen / CSS-Forum / Optimierte Parameter für Lc0
- - By Lothar Jung Date 2022-01-15 11:21 Upvotes 1
[
  {
    "command": "./generic.sh lc0 GPU",
    "name": "LCZero",
    "protocol": "uci",
    "options": [
      {
        "name": "MoveOverheadMs",
        "value": "1000"
      },
      {
        "name": "WeightsFile",
        "value": "542906fcd276e6a0aa23c3cfeee48159b9e4becc789482b9ba3c89e1ef36138e"
      },
      {
        "name": "Threads",
        "value": "2"
      },
      {
        "name": "Backend",
        "value": "demux"
      },
      {
        "name": "BackendOptions",
        "value": "backend=cuda-fp16,multi_stream=true,threads=2,(gpu=0),(gpu=1)"
      },
      {
        "name": "NNCacheSize",
        "value": "20000000"
      },
      {
        "name": "MinibatchSize",
        "value": "768"
      },
      {
        "name": "MaxPrefetch",
        "value": "37"
      },
      {
        "name": "CPuct",
        "value": "1.473"
      },
      {
        "name": "CPuctFactor",
        "value": "3.973"
      },
      {
        "name": "CPuctBase",
        "value": "45669.0"
      },
      {
        "name": "FpuValue",
        "value": "0.279"
      },
      {
        "name": "PolicyTemperature",
        "value": "1.3"
      },
      {
        "name": "SmartPruningFactor",
        "value": "3.6141"
      },
      {
        "name": "SmartPruningMinimumBatches",
        "value": "300"
      },
      {
        "name": "TimeManager",
        "value": "alphazero(alphazero-time-pct=23.0629)"
      },
      {
        "name": "VerboseMoveStats",
        "value": "true"
      },
      {
        "name": "SyzygyPath",
        "value": "/data/tablebases"
      },
      {
        "name": "Ponder",
        "value": "false"
      },
      {
        "name": "UCI_ShowWDL",
        "value": "true"
      },
      {
        "name": "UCI_ShowMovesLeft",
        "value": "true"
      },
      {
        "name": "StrictTiming",
        "value": "true"
      }
    ],
    "stderrFile": "/data/engines/lc0-ERROR.log",
    "variants": [
      "standard",
      "fischerandom"
    ],
    "workingDirectory": "engines"
  }
]

Netz: 610826
Parent - - By Robert Bauer Date 2022-01-15 18:41
Hallo Lothar,

sind eigentlich die Tuning Werte je Netz verschieden?
Findet man die optimalen Werte je Netz auf Discord?

Gruß, Robert
Parent - By Lothar Jung Date 2022-01-15 19:58 Upvotes 1
Nur bei der Minibatchsize, die zu ermitteln ist.
Da die Netze 30b und 40b unterschiedlich schnell sind.
Bei 40b könnten in Zukunft neue tunes ergeben.

Ja, unter Lc0 „tune results“, aber diese habe ich ja übernommen.
Parent - - By Benno Hartwig Date 2022-01-15 19:05
...und empfiehlst du diese Werte generell?
Oder könnte/sollte es nicht Abhängigkeiten geben zur Hardware-Ausstattung und zu den eingesetzten Bedenkzeiten?
Parent - - By Lothar Jung Date 2022-01-15 20:00 Edited 2022-01-15 20:04 Upvotes 1
Ja, ich empfehle sie generell, da sie bei vielen Tests unter Discord angewendet werden.
Wie zufor gesagt, nur bei der Minibatchsize.
Parent - - By Max Siegfried Date 2022-01-16 20:42
Ist die CUDA Runtime version immer noch 11.1.0, obwohl es bereits CUDA 11.6.0 gibt?
Parent - By Lothar Jung Date 2022-01-16 21:07
Ceres Entwickler meinte nein:

None in my tests. NVIDIA just published details on the technical improvements in 11.4 (<https://developer.nvidia.com/blog/discovering-new-features-in-cuda-11-4/>). They claim big speed improvements in the CUDA graphs feature, which Ceres takes advantage of. But in my testing I already saw those big improvements going from 11.2 to 11.3, and nothing extra in 11.4. (but I haven't tried on Linux yet).
Up Topic Hauptforen / CSS-Forum / Optimierte Parameter für Lc0

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