void GoUctSearch::OnStartSearch()
{
SgUctSearch::OnStartSearch();
if (m_root != 0)
{
m_root->DeleteTree();
m_root = 0;
}
if (m_keepGames)
{
m_root = GoNodeUtil::CreateRoot(m_bd);
if (LockFree())
SgWarning() <<
"GoUctSearch: keep games will be ignored"
" in lock free search\n";
}
m_toPlay = m_bd.ToPlay(); // Not needed if SetToPlay() was called
for (SgBWIterator it; it; ++it)
m_stones[*it] = m_bd.All(*it);
int size = m_bd.Size();
// Limit to avoid very long games if m_simpleKo
int maxGameLength = std::min(3 * size * size,
GO_MAX_NUM_MOVES - m_bd.MoveNumber());
SetMaxGameLength(maxGameLength);
m_boardHistory.SetFromBoard(m_bd);
m_nextLiveGfx = m_liveGfxInterval;
}
ThreadPool::~ThreadPool() {
shutDown();
#ifdef _THREAD_TRACE
LockFree(io_lock);
#endif
#ifndef _WIN32
if (pthread_attr_destroy(&stackSizeAttrib)) {
perror("pthread_attr_destroy");
}
#endif
}
void GoUctSearch::OnSearchIteration(SgUctValue gameNumber,
unsigned int threadId,
const SgUctGameInfo& info)
{
SgUctSearch::OnSearchIteration(gameNumber, threadId, info);
if (m_liveGfx != GOUCT_LIVEGFX_NONE && threadId == 0
&& NeedLiveGfx(gameNumber))
{
DisplayGfx();
}
if (! LockFree() && m_root != 0)
AppendGame(m_root, gameNumber, threadId, m_toPlay, info);
}
