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Added hack to avoid crash during machine learning.

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This commit is contained in:
Hisayori Noda 2019-06-24 23:17:46 +09:00
parent 9a73df7379
commit a413bf7aad
1 changed files with 11 additions and 2 deletions
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13
src/learn/learner.cpp
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@ -2056,13 +2056,17 @@ void LearnerThink::thread_worker(size_t thread_id)
};
StateInfo state[MAX_PLY]; // qsearchのPVがそんなに長くなることはありえない。
bool illegal_move = false;
for (auto m : pv)
{
// 非合法手はやってこないはずなのだが。
// An illegal move sometimes comes here...
if (!pos.pseudo_legal(m) || !pos.legal(m))
{
cout << pos << m << endl;
assert(false);
//cout << pos << m << endl;
//assert(false);
illegal_move = true;
break;
}
// 各PV上のnodeでも勾配を加算する場合の処理。
@ -2076,6 +2080,11 @@ void LearnerThink::thread_worker(size_t thread_id)
Eval::evaluate_with_no_return(pos);
}
if (illegal_move) {
sync_cout << "An illical move was detected... Excluded the position from the learning data..." << sync_endl;
continue;
}
// PVの終端局面に達したので、ここで勾配を加算する。
pos_add_grad();