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Fixing an allocation issue in Benchmark_comms

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This commit is contained in:
Guido Cossu 2017-05-18 14:44:56 +01:00
parent 10f2872aae
commit bc862ce3ab
1 changed files with 10 additions and 9 deletions
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19
benchmarks/Benchmark_comms.cc
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@ -40,15 +40,17 @@ int main (int argc, char ** argv)
int threads = GridThread::GetThreads(); int threads = GridThread::GetThreads();
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl; std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
int Nloop=10; int Nloop=200;
int nmu=0; int nmu=0;
int maxlat=24;
for(int mu=0;mu<Nd;mu++) if (mpi_layout[mu]>1) nmu++; for(int mu=0;mu<Nd;mu++) if (mpi_layout[mu]>1) nmu++;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
std::cout<<GridLogMessage << "= Benchmarking concurrent halo exchange in "<<nmu<<" dimensions"<<std::endl; std::cout<<GridLogMessage << "= Benchmarking concurrent halo exchange in "<<nmu<<" dimensions"<<std::endl;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
std::cout<<GridLogMessage << " L "<<"\t\t"<<" Ls "<<"\t\t"<<"bytes"<<"\t\t"<<"MB/s uni"<<"\t\t"<<"MB/s bidi"<<std::endl; std::cout<<GridLogMessage << " L "<<"\t\t"<<" Ls "<<"\t\t"<<"bytes"<<"\t\t"<<"MB/s uni"<<"\t\t"<<"MB/s bidi"<<std::endl;
int maxlat=24;
for(int lat=4;lat<=maxlat;lat+=4){ for(int lat=4;lat<=maxlat;lat+=4){
for(int Ls=8;Ls<=32;Ls*=2){ for(int Ls=8;Ls<=32;Ls*=2){
@ -113,7 +115,7 @@ int main (int argc, char ** argv)
double time = stop-start; // microseconds double time = stop-start; // microseconds
std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<<bytes<<"\t\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl; std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<< std::setw(15) <<bytes<<"\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl;
} }
} }
@ -189,12 +191,11 @@ int main (int argc, char ** argv)
double time = stop-start; double time = stop-start;
std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<<bytes<<"\t\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl; std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<< std::setw(15) <<bytes<<"\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl;
} }
} }
Nloop=10;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
std::cout<<GridLogMessage << "= Benchmarking concurrent STENCIL halo exchange in "<<nmu<<" dimensions"<<std::endl; std::cout<<GridLogMessage << "= Benchmarking concurrent STENCIL halo exchange in "<<nmu<<" dimensions"<<std::endl;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
@ -212,6 +213,7 @@ int main (int argc, char ** argv)
std::vector<HalfSpinColourVectorD *> xbuf(8); std::vector<HalfSpinColourVectorD *> xbuf(8);
std::vector<HalfSpinColourVectorD *> rbuf(8); std::vector<HalfSpinColourVectorD *> rbuf(8);
Grid.ShmInitGeneric();
Grid.ShmBufferFreeAll(); Grid.ShmBufferFreeAll();
for(int d=0;d<8;d++){ for(int d=0;d<8;d++){
xbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(lat*lat*lat*Ls*sizeof(HalfSpinColourVectorD)); xbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(lat*lat*lat*Ls*sizeof(HalfSpinColourVectorD));
@ -269,13 +271,11 @@ int main (int argc, char ** argv)
double time = stop-start; // microseconds double time = stop-start; // microseconds
std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<<bytes<<"\t\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl; std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<< std::setw(15) <<bytes<<"\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl;
} }
} }
Nloop=100;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
std::cout<<GridLogMessage << "= Benchmarking sequential STENCIL halo exchange in "<<nmu<<" dimensions"<<std::endl; std::cout<<GridLogMessage << "= Benchmarking sequential STENCIL halo exchange in "<<nmu<<" dimensions"<<std::endl;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
@ -293,6 +293,7 @@ int main (int argc, char ** argv)
std::vector<HalfSpinColourVectorD *> xbuf(8); std::vector<HalfSpinColourVectorD *> xbuf(8);
std::vector<HalfSpinColourVectorD *> rbuf(8); std::vector<HalfSpinColourVectorD *> rbuf(8);
Grid.ShmInitGeneric();
Grid.ShmBufferFreeAll(); Grid.ShmBufferFreeAll();
for(int d=0;d<8;d++){ for(int d=0;d<8;d++){
xbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(lat*lat*lat*Ls*sizeof(HalfSpinColourVectorD)); xbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(lat*lat*lat*Ls*sizeof(HalfSpinColourVectorD));
@ -353,7 +354,7 @@ int main (int argc, char ** argv)
double time = stop-start; // microseconds double time = stop-start; // microseconds
std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<<bytes<<"\t\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl; std::cout<<GridLogMessage << lat<<"\t\t"<<Ls<<"\t\t"<< std::setw(15) <<bytes<<"\t"<<xbytes/time<<"\t\t"<<bidibytes/time<<std::endl;
} }
} }