void Sync::openSync(void)
{
int reportPe = 1;
while ( 2 * reportPe < CkNumPes() ) reportPe *= 2;
step = -1;
useSync = 1;
useProxySync = 0;
if (useSync) {
// if use proxy spanning tree, proxy sync is forced
if (!useProxySync && (proxySendSpanning || proxyRecvSpanning)
&& PatchMap::Object()->numPatches() < 4 * CkNumPes() ) {
// If on BG/P, useProxySync should not be turned on for better performance
#if ! (CMK_BLUEGENEQ || CMK_BLUEGENEP)
// CmiPrintf("[%d] useProxySync is turned on. \n", CkMyPe());
useProxySync = 1;
#endif
}
#if defined(NODEAWARE_PROXY_SPANNINGTREE) && defined(USE_NODEPATCHMGR)
// immediate messages can be processed by any PE
if (CkMyNodeSize() > 2) useProxySync = 0;
#endif
// no proxies on this node, no need to use proxy sync.
if (useProxySync && ProxyMgr::Object()->numProxies() == 0) {
// CmiPrintf("[%d] useProxySync is turned off because no proxy. \n", CkMyPe());
useProxySync = 0;
}
// if no proxy sync and no home patch, then disable home patch sync as well
if (!useProxySync && PatchMap::Object()->numHomePatches() == 0) useSync = 0;
}
if(CkMyPe() == reportPe)
iout << iINFO << "useSync: " << useSync << " useProxySync: " << useProxySync << "\n" << endi;
}
void CkArrayReductionMgr::init()
{
//ARPRINT("Array ReductionMgr Constructor called %d\n",thisgroup);
redNo=0;
size = CkMyNodeSize();
count = 0;
lockCount = CmiCreateLock();
ctorDoneFlag = 1;
alreadyStarted = -1;
}
void CkArrayReductionMgr::pup(PUP::er &p){
NodeGroup::pup(p);
p(redNo);p(count);
p|my_msgs;
p|my_futureMsgs;
p|attachedGroup;
if(p.isUnpacking()) {
size = CkMyNodeSize();
lockCount = CmiCreateLock();
}
}
// called on slave procs
void slave_init(int argc, char **argv)
{
#if CMK_SMP
//the original main thread could now be a comm thread
//and a slave thread could now be the main thread,
//so we have to do the master initialization here
if(CmiMyRank()==0){
master_init(argc, argv);
if(CmiMyPe()==0)
after_backend_init(argc, argv);
return;
}
#endif
all_init(argc, argv);
if (CkMyRank() < CkMyNodeSize()) // skip the communication thread
CsdScheduler(-1);
}
