void CentralLB::ReceiveMigration(LBMigrateMsg *m)
{
storedMigrateMsg = m;
#if CMK_MEM_CHECKPOINT
CkResetInLdb();
#endif
#if (defined(_FAULT_MLOG_) || defined(_FAULT_CAUSAL_))
restoreParallelRecovery(&resumeAfterRestoreParallelRecovery,(void *)this);
#else
CkCallback cb(CkIndex_CentralLB::ProcessReceiveMigration((CkReductionMsg*)NULL),
thisProxy);
contribute(0, NULL, CkReduction::max_int, cb);
#endif
}
// migrate only object LDStat in group
// leaf nodes actually migrate objects
void HybridBaseLB::ReceiveMigration(LBMigrateMsg *msg)
{
#if CMK_LBDB_ON
#if CMK_MEM_CHECKPOINT
CkResetInLdb();
#endif
FindNeighbors();
int atlevel = msg->level - 1;
DEBUGF(("[%d] ReceiveMigration\n", CkMyPe()));
LevelData *lData = levelData[atlevel];
// only non NULL when level > 0
LDStats *statsData = lData->statsData;
// do LDStats migration
const int me = CkMyPe();
lData->migrates_expected = 0;
for(int i=0; i < msg->n_moves; i++) {
MigrateInfo& move = msg->moves[i];
// incoming
if (move.from_pe != me && move.to_pe == me) {
// I can not be the parent node
DEBUGF(("[%d] expecting LDStats object from %d\n",me,move.from_pe));
// will receive a ObjData message
lData->migrates_expected ++;
}
else if (move.from_pe == me) { // outgoing
if (statsData) { // this is inner node
// send objdata
int obj;
int found = 0;
for (obj = 0; obj<statsData->n_objs; obj++) {
if (move.obj.omID() == statsData->objData[obj].handle.omID() &&
move.obj.objID() == statsData->objData[obj].handle.objID())
{
DEBUGF(("[%d] level: %d sending objData %d to %d. \n", CkMyPe(), atlevel, obj, move.to_pe));
found = 1;
// TODO send comm data
CkVec<LDCommData> comms;
collectCommData(obj, comms, atlevel);
if (move.to_pe != -1) {
// this object migrates to another PE of the parent domain
thisProxy[move.to_pe].ObjMigrated(statsData->objData[obj], comms.getVec(), comms.size(), atlevel);
}
lData->outObjs.push_back(MigrationRecord(move.obj, lData->children[statsData->from_proc[obj]], -1));
statsData->removeObject(obj);
break;
}
}
CmiAssert(found == 1);
}
else { // this is leave node
if (move.to_pe == -1) {
lData->outObjs.push_back(MigrationRecord(move.obj, CkMyPe(), -1));
}
else {
// migrate the object
theLbdb->Migrate(move.obj,move.to_pe);
}
}
} // end if
}
if (lData->migrationDone())
StatsDone(atlevel);
#endif
}
