void
MM_SweepSchemeSegregated::sweep(MM_EnvironmentBase *env, MM_MemoryPoolSegregated *memoryPool, bool isFixHeapForWalk)
{
_memoryPool = memoryPool;
_isFixHeapForWalk = isFixHeapForWalk;
if (env->_currentTask->synchronizeGCThreadsAndReleaseMaster(env, UNIQUE_ID)) {
preSweep(env);
env->_currentTask->releaseSynchronizedGCThreads(env);
}
#if defined(OMR_GC_ARRAYLETS)
incrementalSweepArraylet(env);
env->_currentTask->synchronizeGCThreads(env, UNIQUE_ID);
#endif /* OMR_GC_ARRAYLETS */
incrementalSweepLarge(env);
MM_RegionPoolSegregated *regionPool = _memoryPool->getRegionPool();
if (env->_currentTask->synchronizeGCThreadsAndReleaseMaster(env, UNIQUE_ID)) {
regionPool->setSweepSmallPages(true);
regionPool->resetSkipAvailableRegionForAllocation();
env->_currentTask->releaseSynchronizedGCThreads(env);
}
incrementalSweepSmall(env);
regionPool->joinBucketListsForSplitIndex(env);
if (env->_currentTask->synchronizeGCThreadsAndReleaseMaster(env, UNIQUE_ID)) {
regionPool->setSweepSmallPages(false);
postSweep(env);
env->_currentTask->releaseSynchronizedGCThreads(env);
}
}
/*!\brief Recursive function that runs one move of the tour.
*
* \param row
* The row to check this once.
*
* \param column
* The column to check this once.
*/
bool GameBoard::myPlaceKnight(const unsigned row, const unsigned column)
{
#ifdef MARCUS_DEBUG
std::cerr << "Entered myPlaceKnight function." << std::endl;
#endif
/* If preSweep is true, we have recieved an abort message, so get out.
*/
if (preSweep(row, column))
{
return(false);
}
// Early out if the board is, in fact, complete.
if ((board_.getRows() * board_.getColumns()) == move_)
{
bindMessage(MSG_FINISHED_OK, row, column);
return(true);
}
// If we're doing a static policy...
if (policy_ == tpSTATIC)
{
if (staticSweepNeighbors(row, column))
{
// Hoho, we found something good.
return(true);
}
}
else // Well, only two options, so we're heuristic!
{
if (heuristicSweepNeighbors(row, column))
{
return(true);
}
}
// Clean up for this particular iteration.
postSweep(row, column);
// If we made it this far, we can't have found anything interesting.
return(false);
}