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Orb3dLB_notopo.cpp
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Orb3dLB_notopo.cpp
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#include <charm++.h>
#include "cklists.h"
#include "Orb3dLB_notopo.h"
#include "ParallelGravity.h"
#include "TopoManager.h"
#include "Vector3D.h"
extern CProxy_TreePiece treeProxy;
extern int doDumpLB;
extern int lbDumpIteration;
extern int doSimulateLB;
CkpvExtern(int, _lb_obj_index);
void Orb3dLB_notopo::init() {
lbname = "Orb3dLB_notopo";
if (CkpvAccess(_lb_obj_index) == -1)
CkpvAccess(_lb_obj_index) = LBRegisterObjUserData(sizeof(TaggedVector3D));
}
//#define ORB3DLB_NOTOPO_DEBUG CkPrintf
using namespace std;
CreateLBFunc_Def(Orb3dLB_notopo, "3d ORB mapping of tree piece space onto 3d processor mesh");
Orb3dLB_notopo::Orb3dLB_notopo(const CkLBOptions &opt): CBase_Orb3dLB_notopo(opt)
{
init();
if (CkMyPe() == 0){
CkPrintf("[%d] Orb3dLB_notopo created\n",CkMyPe());
}
}
bool Orb3dLB_notopo::QueryBalanceNow(int step){
if(step == 0) return false;
return true;
}
void Orb3dLB_notopo::work(BaseLB::LDStats* stats)
{
int numobjs = stats->n_objs;
int nmig = stats->n_migrateobjs;
double gstarttime = CkWallTimer();
vector<Event> tpEvents[NDIMS];
for(int i = 0; i < NDIMS; i++){
tpEvents[i].reserve(numobjs);
}
tps.resize(numobjs);
OrientedBox<float> box;
int numProcessed = 0;
if(doSimulateLB){
FILE *dumpFile = fopen("lb_dump.dat","r");
CkAssert(dumpFile != NULL);
PUP::fromTextFile pff(dumpFile);
pupDump(pff,stats,tpEvents);
CkPrintf("read dump\n");
fclose(dumpFile);
}
else{
for(int i = 0; i < stats->n_objs; i++){
float load;
load = stats->objData[i].wallTime;
LDObjData &odata = stats->objData[i];
if (!odata.migratable) continue;
TaggedVector3D* udata = (TaggedVector3D *)odata.getUserData(CkpvAccess(_lb_obj_index));
tpEvents[XDIM].push_back(Event(udata->vec.x,load,i));
tpEvents[YDIM].push_back(Event(udata->vec.y,load,i));
tpEvents[ZDIM].push_back(Event(udata->vec.z,load,i));
tps[i] = OrbObject(i,udata->myNumParticles);
tps[i].centroid = udata->vec;
numProcessed++;
}
}
int flagDump = doDumpLB;
CkPrintf("doDump %d dumpIter %d step %d\n", flagDump, lbDumpIteration, step());
if(lbDumpIteration > 0 && (step() == lbDumpIteration)){
FILE *dumpFile = fopen("lb_dump.dat","w");
CkAssert(dumpFile != NULL);
PUP::toTextFile ptf(dumpFile);
pupDump(ptf,stats,tpEvents);
CkPrintf("done LB dump, exiting\n");
fclose(dumpFile);
CkExit();
return;
}
orbPrepare(tpEvents, box, numobjs, stats);
orbPartition(tpEvents,box,stats->count, tps, stats);
int mcount = 0;
for(int i = 0; i < numobjs; i++) {
if (stats->to_proc[i] != stats->from_proc[i]) {
mcount++;
}
}
refine(stats, numobjs);
CkPrintf("[%d] OrbLB_notopo> migrations count %d started at %f total time %f s\n",
CkMyPe(), mcount, gstarttime, CkWallTimer() - gstarttime);
if(_lb_args.debug() >= 2) {
// Write out "particle file" of load balance information
char achFileName[1024];
sprintf(achFileName, "lb.%d.sim", step());
FILE *fp = fopen(achFileName, "w");
CkAssert(fp != NULL);
int num_migratables = numobjs;
for(int i = 0; i < numobjs; i++) {
if (!stats->objData[i].migratable) {
num_migratables--;
}
}
fprintf(fp, "%d %d 0\n", num_migratables, num_migratables);
for(int i = 0; i < numobjs; i++) {
if (!stats->objData[i].migratable) continue;
CkAssert(tps[i].lbindex < stats->n_objs);
CkAssert(tps[i].lbindex >= 0);
fprintf(fp, "%g %g %g %g 0.0 0.0 0.0 %d 0.0\n",
stats->objData[tps[i].lbindex].wallTime,
tps[i].centroid.x,
tps[i].centroid.y,
tps[i].centroid.z,
stats->to_proc[tps[i].lbindex]);
}
fclose(fp);
}
if(doSimulateLB){
CkExit();
return;
}
}
void Orb3dLB_notopo::pupDump(PUP::er &p, BaseLB::LDStats *stats, vector<Event> *tpEvents){
stats->pup(p);
p|stats->count;
for(int i = XDIM; i <= ZDIM; i++){
p|tpEvents[i];
}
p|tps;
}
#include "Orb3dLB_notopo.def.h"