void CPathEstimator::InitEstimator(const std::string& name) {
int numThreads = configHandler.GetInt("HardwareThreadCount", 0);
#if 0 // FIXME mantis #1033
#if (BOOST_VERSION >= 103500)
if (numThreads == 0)
numThreads = boost::thread::hardware_concurrency();
#else
# ifdef USE_GML
if (numThreads == 0)
numThreads = GML_CPU_COUNT;
# endif
#endif
#else //if 0
numThreads = 1;
#endif
if (numThreads > 1) {
// spawn the threads for InitVerticesAndBlocks()
SpawnThreads(numThreads, 0);
JoinThreads(numThreads, 0);
char loadMsg[512];
sprintf(loadMsg, "Reading estimate path costs (%d threads)", numThreads);
PrintLoadMsg(loadMsg);
if (!ReadFile(name)) {
char calcMsg[512];
sprintf(calcMsg, "Analyzing map accessibility [%d] (%d threads)", BLOCK_SIZE, numThreads);
PrintLoadMsg(calcMsg);
// re-spawn the threads for CalculateBlockOffsets()
SpawnThreads(numThreads, 1);
JoinThreads(numThreads, 1);
// re-spawn the threads for EstimatePathCosts()
SpawnThreads(numThreads, 2);
JoinThreads(numThreads, 2);
WriteFile(name);
}
} else {
// no threading
InitVerticesAndBlocks(0, nbrOfVertices, 0, nbrOfBlocks);
PrintLoadMsg("Reading estimate path costs (1 thread)");
if (!ReadFile(name)) {
char calcMsg[512];
sprintf(calcMsg, "Analyzing map accessibility [%d] (1 thread)", BLOCK_SIZE);
PrintLoadMsg(calcMsg);
CalcOffsetsAndPathCosts(0, nbrOfBlocks);
WriteFile(name);
}
}
}
BOOL CSocketThreadManager::Initialize(unsigned long ulThreadCount,
LPCSTR lpClassName)
{
try
{
//Are we initialized?
if (m_bInitialized)
{
//Report it
ReportError("Initialize","Already initialized!");
//Exit
return FALSE;
}
//Check the number of threads
if (ulThreadCount>MAX_THREADS)
{
//Report it
ReportError("Initialize","Too many threads to spawn!");
//Exit
return FALSE;
}
//Check the number of threads
if (!ulThreadCount)
{
//Report it
ReportError("Initialize","Can't have zero threads!");
//Exit
return FALSE;
}
//Save the count
m_ulThreadCount=ulThreadCount;
//Try to spawn the threads
return SpawnThreads(lpClassName);
}
ERROR_HANDLER_RETURN("Initialize",FALSE)
}
