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NUMA improvements worth preserving from AMD EPYC tests

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This commit is contained in:
Peter Boyle
2017-07-08 22:27:11 -04:00
parent 7b0237b081
commit 40e119c61c
3 changed files with 45 additions and 26 deletions
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48
benchmarks/Benchmark_memory_bandwidth.cc
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@ -60,16 +60,16 @@ int main (int argc, char ** argv)
for(int lat=8;lat<=lmax;lat+=8){
std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
int64_t vol= latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
uint64_t Nloop=NLOOP;
GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
// GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
LatticeVec z(&Grid); random(pRNG,z);
LatticeVec x(&Grid); random(pRNG,x);
LatticeVec y(&Grid); random(pRNG,y);
LatticeVec z(&Grid);// random(pRNG,z);
LatticeVec x(&Grid);// random(pRNG,x);
LatticeVec y(&Grid);// random(pRNG,y);
double a=2.0;
@ -83,7 +83,7 @@ int main (int argc, char ** argv)
double time = (stop-start)/Nloop*1000;
double flops=vol*Nvec*2;// mul,add
double bytes=3*vol*Nvec*sizeof(Real);
double bytes=3.0*vol*Nvec*sizeof(Real);
std::cout<<GridLogMessage<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<<"\t\t"<<(stop-start)/1000./1000.<<std::endl;
}
@ -97,14 +97,14 @@ int main (int argc, char ** argv)
for(int lat=8;lat<=lmax;lat+=8){
std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
int64_t vol= latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
// GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
LatticeVec z(&Grid); random(pRNG,z);
LatticeVec x(&Grid); random(pRNG,x);
LatticeVec y(&Grid); random(pRNG,y);
LatticeVec z(&Grid);// random(pRNG,z);
LatticeVec x(&Grid);// random(pRNG,x);
LatticeVec y(&Grid);// random(pRNG,y);
double a=2.0;
uint64_t Nloop=NLOOP;
@ -119,7 +119,7 @@ int main (int argc, char ** argv)
double time = (stop-start)/Nloop*1000;
double flops=vol*Nvec*2;// mul,add
double bytes=3*vol*Nvec*sizeof(Real);
double bytes=3.0*vol*Nvec*sizeof(Real);
std::cout<<GridLogMessage<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<<"\t\t"<<(stop-start)/1000./1000.<<std::endl;
}
@ -133,16 +133,16 @@ int main (int argc, char ** argv)
std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
int64_t vol= latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
uint64_t Nloop=NLOOP;
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
// GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
LatticeVec z(&Grid); random(pRNG,z);
LatticeVec x(&Grid); random(pRNG,x);
LatticeVec y(&Grid); random(pRNG,y);
LatticeVec z(&Grid);// random(pRNG,z);
LatticeVec x(&Grid);// random(pRNG,x);
LatticeVec y(&Grid);// random(pRNG,y);
RealD a=2.0;
@ -154,7 +154,7 @@ int main (int argc, char ** argv)
double stop=usecond();
double time = (stop-start)/Nloop*1000;
double bytes=2*vol*Nvec*sizeof(Real);
double bytes=2.0*vol*Nvec*sizeof(Real);
double flops=vol*Nvec*1;// mul
std::cout<<GridLogMessage <<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<<"\t\t"<<(stop-start)/1000./1000.<<std::endl;
@ -169,14 +169,14 @@ int main (int argc, char ** argv)
for(int lat=8;lat<=lmax;lat+=8){
std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
int64_t vol= latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
uint64_t Nloop=NLOOP;
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
LatticeVec z(&Grid); random(pRNG,z);
LatticeVec x(&Grid); random(pRNG,x);
LatticeVec y(&Grid); random(pRNG,y);
// GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
LatticeVec z(&Grid);// random(pRNG,z);
LatticeVec x(&Grid);// random(pRNG,x);
LatticeVec y(&Grid);// random(pRNG,y);
RealD a=2.0;
Real nn;
double start=usecond();
@ -187,7 +187,7 @@ int main (int argc, char ** argv)
double stop=usecond();
double time = (stop-start)/Nloop*1000;
double bytes=vol*Nvec*sizeof(Real);
double bytes=1.0*vol*Nvec*sizeof(Real);
double flops=vol*Nvec*2;// mul,add
std::cout<<GridLogMessage<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t"<<flops/time<< "\t\t"<<(stop-start)/1000./1000.<< "\t\t " <<std::endl;