public static void Analyze(string fenAndMoves, SearchLimit searchLimit,
NNEvaluatorDef evaluatorDef,
bool forceDisablePruning,
LC0Engine lc0Engine = null,
GameEngine comparisonEngine = null,
bool verbose = false)
{
Console.WriteLine("=============================================================================");
Console.WriteLine("Analyzing FEN : " + fenAndMoves);
Console.WriteLine("Search limit : " + searchLimit.ToString());
Console.WriteLine("Ceres evaluator : " + evaluatorDef.ToString());
if (comparisonEngine != null)
{
Console.WriteLine("Opponent : " + comparisonEngine.ToString());
}
Console.WriteLine();
Console.WriteLine();
NNEvaluatorSet nnEvaluators = new NNEvaluatorSet(evaluatorDef);
// Warmup (in parallel)
lc0Engine?.DoSearchPrepare();
Parallel.Invoke(
() => nnEvaluators.Warmup(true),
() => comparisonEngine?.Warmup());
bool ceresDone = false;
lastInfoUpdate = DateTime.Now;
UCISearchInfo lastCeresInfo = null;
// Launch Ceres
MCTSearch ceresResults = null;
Task searchCeres = Task.Run(() =>
{
ParamsSearch searchParams = new ParamsSearch();
searchParams.FutilityPruningStopSearchEnabled = !forceDisablePruning;
PositionWithHistory positionWithHistory = PositionWithHistory.FromFENAndMovesUCI(fenAndMoves);
ceresResults = new MCTSearch();
ceresResults.Search(nnEvaluators, new ParamsSelect(), searchParams, null, null,
null, positionWithHistory, searchLimit, verbose, DateTime.Now, null,
manager => lastCeresInfo = new UCISearchInfo(UCIInfo.UCIInfoString(manager), null, null), false, true);
});
// Possibly launch search for other engine
Task searchComparison = null;
if (lc0Engine != null || comparisonEngine != null)
{
searchComparison = Task.Run(() =>
{
if (lc0Engine != null)
{
lc0Engine.DoSearchPrepare();
lc0Engine.AnalyzePositionFromFENAndMoves(fenAndMoves, searchLimit);
}
else
{
comparisonEngine.Search(PositionWithHistory.FromFENAndMovesUCI(fenAndMoves), searchLimit, verbose: true);
}
});
}
;
while (!searchCeres.IsCompleted || (searchComparison != null && !searchComparison.IsCompleted))
{
Thread.Sleep(1000);
//Console.WriteLine(DateTime.Now + " --> " + lastCeresInfo?.PVString + " OTHER " + comparisonEngine?.UCIInfo?.RawString);
int numCharactersSame = int.MaxValue;
if (lastCeresInfo?.PVString != null || comparisonEngine?.UCIInfo?.RawString != null)
{
if (lastCeresInfo != null && comparisonEngine?.UCIInfo != null)
{
numCharactersSame = 0;
string pv1 = lastCeresInfo.PVString;
UCISearchInfo lastComparisonInfo = comparisonEngine.UCIInfo;
string pv2 = lastComparisonInfo.PVString;
while (pv1.Length > numCharactersSame &&
pv2.Length > numCharactersSame &&
pv1[numCharactersSame] == pv2[numCharactersSame])
{
numCharactersSame++;
}
}
}
if (lastCeresInfo != null)
{
WriteUCI("Ceres", lastCeresInfo, numCharactersSame);
}
if (comparisonEngine != null)
{
WriteUCI(comparisonEngine.ID, comparisonEngine.UCIInfo, numCharactersSame);
}
Console.WriteLine();
}
searchCeres.Wait();
searchComparison?.Wait();
string infoUpdate = UCIInfo.UCIInfoString(ceresResults.Manager);
double q2 = ceresResults.SearchRootNode.Q;
//SearchPrincipalVariation pv2 = new SearchPrincipalVariation(worker2.Root);
MCTSPosTreeNodeDumper.DumpPV(ceresResults.SearchRootNode, true);
}
/// <summary>
/// Executes any preparatory steps (that should not be counted in thinking time) before a search.
/// </summary>
protected override void DoSearchPrepare()
{
LC0Engine.DoSearchPrepare();
}
