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Updating preparing for solvers etc..

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This commit is contained in:
Peter Boyle
2015-05-16 23:35:08 +01:00
parent cf99a1f37d
commit e841395dfd
8 changed files with 1170 additions and 34 deletions
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20
benchmarks/Grid_memory_bandwidth.cc
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@@ -19,7 +19,7 @@ int main (int argc, char ** argv)
std::cout << "===================================================================================================="<<std::endl;
std::cout << "= Benchmarking fused AXPY bandwidth"<<std::endl;
std::cout << "===================================================================================================="<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t"<<"GB/s"<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s"<<"\t\t"<<"Gflop/s"<<std::endl;
std::cout << "----------------------------------------------------------"<<std::endl;
for(int lat=4;lat<=32;lat+=4){
@@ -44,15 +44,16 @@ int main (int argc, char ** argv)
double stop=usecond();
double time = (stop-start)/Nloop*1000;
double flops=lat*lat*lat*lat*Nvec*2;// mul,add
double bytes=3*lat*lat*lat*lat*Nvec*sizeof(Real);
std::cout<<std::setprecision(2) << lat<<"\t\t"<<bytes<<"\t\t"<<bytes/time<<std::endl;
std::cout<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<<std::endl;
}
std::cout << "===================================================================================================="<<std::endl;
std::cout << "= Benchmarking a*x + y bandwidth"<<std::endl;
std::cout << "===================================================================================================="<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t"<<"GB/s"<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s"<<"\t\t"<<"Gflop/s"<<std::endl;
std::cout << "----------------------------------------------------------"<<std::endl;
for(int lat=4;lat<=32;lat+=4){
@@ -75,15 +76,16 @@ int main (int argc, char ** argv)
double stop=usecond();
double time = (stop-start)/Nloop*1000;
double flops=lat*lat*lat*lat*Nvec*2;// mul,add
double bytes=3*lat*lat*lat*lat*Nvec*sizeof(Real);
std::cout<<std::setprecision(2) << lat<<"\t\t"<<bytes<<"\t\t"<<bytes/time<<std::endl;
std::cout<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<<std::endl;
}
std::cout << "===================================================================================================="<<std::endl;
std::cout << "= Benchmarking SCALE bandwidth"<<std::endl;
std::cout << "===================================================================================================="<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t"<<"GB/s"<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s"<<"\t\t"<<"Gflop/s"<<std::endl;
for(int lat=4;lat<=32;lat+=4){
@@ -107,14 +109,15 @@ int main (int argc, char ** argv)
double time = (stop-start)/Nloop*1000;
double bytes=2*lat*lat*lat*lat*Nvec*sizeof(Real);
std::cout <<std::setprecision(2) << lat<<"\t\t"<<bytes<<"\t\t"<<bytes/time<<std::endl;
double flops=lat*lat*lat*lat*Nvec*1;// mul
std::cout <<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<<std::endl;
}
std::cout << "===================================================================================================="<<std::endl;
std::cout << "= Benchmarking READ bandwidth"<<std::endl;
std::cout << "===================================================================================================="<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t"<<"GB/s"<<std::endl;
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s"<<"\t\t"<<"Gflop/s"<<std::endl;
std::cout << "----------------------------------------------------------"<<std::endl;
for(int lat=4;lat<=32;lat+=4){
@@ -139,7 +142,8 @@ int main (int argc, char ** argv)
double time = (stop-start)/Nloop*1000;
double bytes=lat*lat*lat*lat*Nvec*sizeof(Real);
std::cout<<std::setprecision(2) << lat<<"\t\t"<<bytes<<"\t\t"<<bytes/time<<std::endl;
double flops=lat*lat*lat*lat*Nvec*2;// mul,add
std::cout<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<<std::endl;
}