Revision 736681ec963848c66b75f8250ee2f1bc70027cfa authored by Philippe Canal on 18 February 2016, 22:45:16 UTC, committed by Philippe Canal on 18 February 2016, 22:45:16 UTC
1 parent ce57c08
Run_Node_Tests.C
void run_selector_tests(TString selector_name, Int_t fps, Int_t niter,
TFile* outputfile, TString name_stem,
const Char_t *basedir, Int_t stepsize, Int_t start);
void Run_Node_Tests(Int_t fps, Int_t niter, const Char_t *basedir,
TFile *outputfile, Int_t stepsize=5, Int_t start=0)
{
// This script collects performance statistics (to be saved in outputfile)
// for running a PROOF cluster with an increasing number of slaves. The
// script runs multiple times for each number of slaves to gather
// statistics for each number of slaves.
// fps: number of files to be processed per slave
// niter: number of iterations to run each test at each number of nodes
// basedir: base directory where files are located on slave
// (same input as given to make_event_trees.C)
// outputfile: outputfile to write output info to
// stepsize: number of slaves to increase by when performing tests
// start: number of slaves of slaves to start test with
// (0 means start with stepsize slaves)
if (!gProof) {
cout << "PROOF must be started before running this script" << endl;
return;
}
if (fps<1) {
cout << "Must be testing at least 1 file per slave" << endl;
return;
}
if (niter<1) {
cout << "Atleast 1 iteration per step is required" << endl;
return;
}
if (stepsize<1) {
cout << "Must increase subsequent tests by atleast 1 slave" << endl;
return;
}
if (start<0) {
cout << "starting number of nodes must be atleast 1" << endl
<< " (with 0 making start = stepsize)" << endl;
return;
}
if (start==0) start = stepsize;
#if 0
// load Event library
if (!TString(gSystem->GetLibraries()).Contains("Event")) {
if(gSystem->Load("$ROOTSYS/test/libEvent.so")) {
cout << "Could not load libEvent.so" << endl;
return;
}
}
// add $ROOTSYS/test to include path
if (!TString(gSystem->GetIncludePath()).Contains("-I$ROOTSYS/test"))
gSystem->AddIncludePath("-I$ROOTSYS/test");
#endif
if (gProof->UploadPackage("event")) {
cout << "Could not upload Event par file to slaves" << endl;
return;
}
if (gProof->EnablePackage("event")) {
cout << "Could not enable Event library on PROOF slaves" << endl;
return;
}
if (gROOT->LoadMacro("make_tdset.C")) {
cout << "Could not load make_tdset macro" << endl;
return;
}
#if 0
//use new packetizer
gProof->AddInput(new TNamed("PROOF_NewPacketizer",""));
#else
gProof->SetParameter("PROOF_ForceLocal", 1);
#endif
//run the tests
run_selector_tests("EventTree_Proc.C++", fps, niter, outputfile, "_Proc", basedir, stepsize, start);
run_selector_tests("EventTree_ProcOpt.C++", fps, niter, outputfile, "_ProcOpt", basedir, stepsize, start);
run_selector_tests("EventTree_NoProc.C++", fps, niter, outputfile, "_NoProc", basedir, stepsize, start);
}
void run_selector_tests(TString selector_file, Int_t fps, Int_t niter,
TFile* outputfile, TString name_stem,
const Char_t *basedir, Int_t stepsize, Int_t start)
{
TString selector_name(selector_file);
selector_name.Remove(selector_file.Last('.'));
gProof->SetParallel(9999);
Int_t nslaves = gProof->GetParallel();
if (start > nslaves) {
cout << "starting number of nodes must be atleast 1" << endl
<< " (with 0 making start = stepsize)" << endl;
return;
}
//run once on all nodes with no logging
gEnv->SetValue("Proof.StatsHist",0);
gEnv->SetValue("Proof.StatsTrace",0);
gEnv->SetValue("Proof.SlaveStatsTrace",0);
TDSet* dset = make_tdset(basedir, fps);
cout << "Running on all nodes first" << endl;
gProof->Load(selector_file);
dset->Process(selector_name);
// delete dset;
cout << "done" << endl;
// switch logging on (no slave logging)
gEnv->SetValue("Proof.StatsHist",0);
gEnv->SetValue("Proof.StatsTrace",1);
gEnv->SetValue("Proof.SlaveStatsTrace",0);
TString perfstats_name = "PROOF_PerfStats";
// set up timing tree info
TString time_tree_name = perfstats_name;
time_tree_name+=name_stem;
time_tree_name+="_timing_tree";
TTree timing_tree(time_tree_name,"Timing Tree");
Int_t ns_holder;
Int_t run_holder;
Float_t time_holder;
TBranch* br = timing_tree.Branch("tests",&ns_holder,"nslaves/I:run/I:time/F");
if (outputfile && !outputfile->IsZombie())
timing_tree.SetDirectory(outputfile);
br->GetLeaf("nslaves")->SetAddress(&ns_holder);
br->GetLeaf("run")->SetAddress(&run_holder);
br->GetLeaf("time")->SetAddress(&time_holder);
Bool_t done = kFALSE;
for (Int_t nactive=start; !done; nactive+=stepsize) {
if (nactive >= nslaves) {
done=kTRUE;
nactive=nslaves;
}
gProof->SetParallel(nactive);
ns_holder = nactive;
for (Int_t j=0; j<niter; j++) {
run_holder=j;
// dset = make_tdset(basedir,fps);
TTime starttime = gSystem->Now();
dset->Process(selector_name);
TTime endtime = gSystem->Now();
time_holder = Long_t(endtime-starttime)/Float_t(1000);
cout << "Processing time was " << time_holder << " seconds" << endl;
if (outputfile && !outputfile->IsZombie()) {
TList* l = dset->GetOutputList();
//save perfstats
TTree* t = dynamic_cast<TTree*>(l->FindObject(perfstats_name.Data()));
if (t) {
TDirectory* trdir = t->GetDirectory();
TDirectory* dirsav = gDirectory;
outputfile->cd();
t->SetDirectory(outputfile);
TString origname = t->GetName();
TString newname = perfstats_name;
newname+=name_stem;
newname+="_";
newname+=nactive;
newname+="slaves_run";
newname+=j;
t->SetName(newname);
t->Write();
t->SetName(origname);
t->SetDirectory(trdir);
dirsav->cd();
} else {
cout << perfstats_name.Data() << " tree not found" << endl << flush;
}
//save outputhistos
TString ptdist_name = "pt_dist";
TH1* h = dynamic_cast<TH1*>(l->FindObject(ptdist_name.Data()));
if (h) {
TDirectory* hdir = h->GetDirectory();
TDirectory* dirsav = gDirectory;
outputfile->cd();
h->SetDirectory(outputfile);
TString origname = h->GetName();
TString newname = ptdist_name;
newname+=name_stem;
newname+="_";
newname+=nactive;
newname+="slaves_run";
newname+=j;
h->SetName(newname);
h->Write();
h->SetName(origname);
h->SetDirectory(hdir);
dirsav->cd();
} else {
cout << ptdist_name.Data() << " histogram not found" << endl << flush;
}
TString tracksdist_name = "ntracks_dist";
TH1* h2 = dynamic_cast<TH1*>(l->FindObject(tracksdist_name.Data()));
if (h2) {
TDirectory* hdir = h2->GetDirectory();
TDirectory* dirsav = gDirectory;
outputfile->cd();
h2->SetDirectory(outputfile);
TString origname = h2->GetName();
TString newname = tracksdist_name;
newname+=name_stem;
newname+="_";
newname+=nactive;
newname+="slaves_run";
newname+=j;
h2->SetName(newname);
h2->Write();
h2->SetName(origname);
h2->SetDirectory(hdir);
dirsav->cd();
} else {
cout << tracksdist_name.Data() << " histogram not found" << endl << flush;
}
}
// delete dset;
timing_tree.Fill();
}
}
delete dset;
if (outputfile && !outputfile->IsZombie()) {
TDirectory* dirsav=gDirectory;
outputfile->cd();
timing_tree.Write();
timing_tree.SetDirectory(0);
dirsav->cd();
}
}
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