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mirror of https://github.com/paboyle/Grid.git synced 2024-09-20 17:25:37 +01:00
Grid/Grid_main.cc
Peter Boyle 31f4f4f1e1 "where" and integer comparisons logic implemented for conditional
assignment. LatticeCoordinate helper to get global (reduced) coordinate.

Some more work of similar type perhaps needed, but the bulk of the required
structure for masked array assignment is now in place.
2015-04-09 08:06:03 +02:00

414 lines
13 KiB
C++

#include "Grid.h"
#include "Grid_vRealD.h"
#include "Grid_vRealF.h"
#include "Grid_vComplexD.h"
#include "Grid_vComplexF.h"
#include "Grid_Cartesian.h"
#include "Grid_Lattice.h"
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size(4);
std::vector<int> simd_layout(4);
std::vector<int> mpi_layout(4);
mpi_layout[0]=1;
mpi_layout[1]=1;
mpi_layout[2]=1;
mpi_layout[3]=1;
#ifdef AVX512
for(int omp=128;omp<236;omp+=16){
#else
for(int omp=1;omp<8;omp*=20){
#endif
#ifdef OMP
omp_set_num_threads(omp);
#endif
for(int lat=8;lat<=16;lat+=40){
latt_size[0] = lat;
latt_size[1] = lat;
latt_size[2] = lat;
latt_size[3] = lat;
double volume = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
#ifdef AVX512
simd_layout[0] = 1;
simd_layout[1] = 2;
simd_layout[2] = 2;
simd_layout[3] = 2;
#endif
#if defined (AVX1)|| defined (AVX2)
simd_layout[0] = 1;
simd_layout[1] = 1;
simd_layout[2] = 2;
simd_layout[3] = 2;
#endif
#if defined (SSE2)
simd_layout[0] = 1;
simd_layout[1] = 1;
simd_layout[2] = 1;
simd_layout[3] = 2;
#endif
GridCartesian Fine(latt_size,simd_layout,mpi_layout);
GridRedBlackCartesian rbFine(latt_size,simd_layout,mpi_layout);
LatticeColourMatrix Foo(&Fine);
LatticeColourMatrix Bar(&Fine);
LatticeSpinColourMatrix scFoo(&Fine);
LatticeSpinColourMatrix scBar(&Fine);
LatticeColourMatrix Shifted(&Fine);
LatticeColourMatrix ShiftedCheck(&Fine);
LatticeColourMatrix rShifted(&rbFine);
LatticeColourMatrix bShifted(&rbFine);
LatticeColourMatrix rFoo(&rbFine);
LatticeColourMatrix bFoo(&rbFine);
LatticeColourMatrix FooBar(&Fine);
LatticeSpinColourMatrix scFooBar(&Fine);
LatticeColourVector cVec(&Fine);
LatticeSpinVector sVec(&Fine);
LatticeSpinColourVector scVec(&Fine);
LatticeColourMatrix cMat(&Fine);
LatticeSpinMatrix sMat(&Fine);
LatticeSpinColourMatrix scMat(&Fine);
LatticeComplex scalar(&Fine);
SpinMatrix GammaFive;
iSpinMatrix<vComplex> iGammaFive;
ColourMatrix cmat;
random(Foo);
gaussian(Bar);
random(scFoo);
random(scBar);
random(cMat);
random(sMat);
random(scMat);
random(cVec);
random(sVec);
random(scVec);
fflush(stdout);
cVec = cMat * cVec; // LatticeColourVector = LatticeColourMatrix * LatticeColourVector
sVec = sMat * sVec; // LatticeSpinVector = LatticeSpinMatrix * LatticeSpinVector
scVec= scMat * scVec;// LatticeSpinColourVector = LatticeSpinColourMatrix * LatticeSpinColourVector
scVec= cMat * scVec; // LatticeSpinColourVector = LatticeColourMatrix * LatticeSpinColourVector
scVec= sMat * scVec; // LatticeSpinColourVector = LatticeSpinMatrix * LatticeSpinColourVector
cMat = outerProduct(cVec,cVec);
scalar = localInnerProduct(cVec,cVec);
scMat = sMat*scMat; // LatticeSpinColourMatrix = LatticeSpinMatrix * LatticeSpinColourMatrix
// Non-lattice (const objects) * Lattice
ColourMatrix cm;
SpinColourMatrix scm;
vSpinColourMatrix vscm;
Complex cplx(1.0);
Integer myint=1;
double mydouble=1.0;
// vSpinColourMatrix vscm;
scMat = cMat*scMat;
scm = cm * scm; // SpinColourMatrix = ColourMatrix * SpinColourMatrix
scm = scm *cm; // SpinColourMatrix = SpinColourMartix * ColourMatrix
scm = GammaFive * scm ; // SpinColourMatrix = SpinMatrix * SpinColourMatrix
scm = scm* GammaFive ; // SpinColourMatrix = SpinColourMatrix * SpinMatrix
scm = scm*cplx;
vscm = vscm*cplx;
scMat = scMat*cplx;
scm = cplx*scm;
vscm = cplx*vscm;
scMat = cplx*scMat;
scm = myint*scm;
vscm = myint*vscm;
scMat = scMat*myint;
scm = scm*mydouble;
vscm = vscm*mydouble;
scMat = scMat*mydouble;
scMat = mydouble*scMat;
cMat = mydouble*cMat;
sMat = adj(sMat); // LatticeSpinMatrix adjoint
sMat = iGammaFive*sMat; // SpinMatrix * LatticeSpinMatrix
sMat = GammaFive*sMat; // SpinMatrix * LatticeSpinMatrix
scMat= adj(scMat);
cMat= adj(cMat);
cm=adj(cm);
scm=adj(scm);
// Foo = Foo+scalar; // LatticeColourMatrix+Scalar
// Foo = Foo*scalar; // LatticeColourMatrix*Scalar
// Foo = Foo-scalar; // LatticeColourMatrix-Scalar
// Foo = scalar*Foo; // Scalar*LatticeColourMatrix
// Foo = scalar+Foo; // Scalar+LatticeColourMatrix
// Foo = scalar-Foo; // Scalar-LatticeColourMatrix
LatticeComplex trscMat(&Fine);
trscMat = trace(scMat); // Trace
FooBar = Bar;
/*
{
std::vector<int> coor(4);
for(int d=0;d<4;d++) coor[d] = 0;
peekSite(cmat,Foo,coor);
Foo = zero;
pokeSite(cmat,Foo,coor);
}
random(Foo);
*/
lex_sites(Foo);
Integer mm[4];
mm[0]=1;
mm[1]=Fine._rdimensions[0];
mm[2]=Fine._ldimensions[0]*Fine._ldimensions[1];
mm[3]=Fine._ldimensions[0]*Fine._ldimensions[1]*Fine._ldimensions[2];
LatticeInteger lex(&Fine);
lex=zero;
for(int d=0;d<4;d++){
LatticeInteger coor(&Fine);
LatticeCoordinate(coor,d);
lex = lex + coor*mm[d];
}
Bar = zero;
Bar = where(lex<10,Foo,Bar);
{
std::vector<int> coor(4);
for(coor[3]=0;coor[3]<latt_size[3]/mpi_layout[3];coor[3]++){
for(coor[2]=0;coor[2]<latt_size[2]/mpi_layout[2];coor[2]++){
for(coor[1]=0;coor[1]<latt_size[1]/mpi_layout[1];coor[1]++){
for(coor[0]=0;coor[0]<latt_size[0]/mpi_layout[0];coor[0]++){
ColourMatrix bar;
peekSite(bar,Bar,coor);
for(int r=0;r<3;r++){
for(int c=0;c<3;c++){
cout<<"bar "<<coor[0]<<coor[1]<<coor[2]<<coor[3] <<" "<<bar._internal._internal[r][c]<<std::endl;
}}
}}}}
}
//setCheckerboard(ShiftedCheck,rFoo);
//setCheckerboard(ShiftedCheck,bFoo);
// Lattice SU(3) x SU(3)
Fine.Barrier();
FooBar = Foo * Bar;
// Lattice 12x12 GEMM
scFooBar = scFoo * scBar;
// Benchmark some simple operations LatticeSU3 * Lattice SU3.
double t0,t1,flops;
double bytes;
int ncall=100;
int Nc = Grid::QCD::Nc;
flops = ncall*1.0*volume*(8*Nc*Nc*Nc);
bytes = ncall*1.0*volume*Nc*Nc *2*3*sizeof(Grid::Real);
if ( Fine.IsBoss() ) {
printf("%f flop and %f bytes\n",flops,bytes/ncall);
}
FooBar = Foo * Bar;
Fine.Barrier();
t0=usecond();
for(int i=0;i<ncall;i++){
Fine.Barrier();
mult(FooBar,Foo,Bar); // this is better
}
t1=usecond();
Fine.Barrier();
if ( Fine.IsBoss() ) {
#ifdef OMP
printf("mult NumThread %d , Lattice size %d , %f us per call\n",omp_get_max_threads(),lat,(t1-t0)/ncall);
#endif
printf("mult NumThread %d , Lattice size %d , %f Mflop/s\n",omp,lat,flops/(t1-t0));
printf("mult NumThread %d , Lattice size %d , %f MB/s\n",omp,lat,bytes/(t1-t0));
}
mult(FooBar,Foo,Bar);
FooBar = Foo * Bar;
bytes = ncall*1.0*volume*Nc*Nc *2*5*sizeof(Grid::Real);
Fine.Barrier();
t0=usecond();
for(int i=0;i<ncall;i++){
Fine.Barrier();
mult(FooBar,Foo,Cshift(Bar,1,-1));
//mult(FooBar,Foo,Bar);
//FooBar = Foo * Bar; // this is bad
}
t1=usecond();
Fine.Barrier();
FooBar = Foo * Bar;
if ( Fine.IsBoss() ) {
printf("Cshift Mult: NumThread %d , Lattice size %d , %f us per call\n",omp,lat,(t1-t0)/ncall);
printf("Cshift Mult: NumThread %d , Lattice size %d , %f Mflop/s\n",omp,lat,flops/(t1-t0));
printf("Cshift Mult: NumThread %d , Lattice size %d , %f MB/s\n",omp,lat,bytes/(t1-t0));
}
// pickCheckerboard(0,rFoo,FooBar);
// pickCheckerboard(1,bFoo,FooBar);
// setCheckerboard(FooBar,rFoo);
// setCheckerboard(FooBar,bFoo);
double nrm=0;
LatticeColourMatrix deriv(&Fine);
double half=0.5;
deriv = 0.5*Cshift(Foo,0,1) - 0.5*Cshift(Foo,0,-1);
for(int dir=0;dir<4;dir++){
for(int shift=0;shift<latt_size[dir];shift++){
pickCheckerboard(0,rFoo,Foo); // Pick out red or black checkerboards
pickCheckerboard(1,bFoo,Foo);
if ( Fine.IsBoss() ) {
std::cout << "Shifting both parities by "<< shift <<" direction "<< dir <<std::endl;
}
Shifted = Cshift(Foo,dir,shift); // Shift everything
bShifted = Cshift(rFoo,dir,shift); // Shift red->black
rShifted = Cshift(bFoo,dir,shift); // Shift black->red
ShiftedCheck=zero;
setCheckerboard(ShiftedCheck,bShifted); // Put them all together
setCheckerboard(ShiftedCheck,rShifted); // and check the results (later)
// Check results
std::vector<int> coor(4);
for(coor[3]=0;coor[3]<latt_size[3]/mpi_layout[3];coor[3]++){
for(coor[2]=0;coor[2]<latt_size[2]/mpi_layout[2];coor[2]++){
for(coor[1]=0;coor[1]<latt_size[1]/mpi_layout[1];coor[1]++){
for(coor[0]=0;coor[0]<latt_size[0]/mpi_layout[0];coor[0]++){
std::complex<Grid::Real> diff;
std::vector<int> shiftcoor = coor;
shiftcoor[dir]=(shiftcoor[dir]+shift+latt_size[dir])%(latt_size[dir]/mpi_layout[dir]);
std::vector<int> rl(4);
for(int dd=0;dd<4;dd++){
rl[dd] = latt_size[dd]/simd_layout[dd]/mpi_layout[dd];
}
int lex = coor[0]%rl[0]
+ (coor[1]%rl[1])*rl[0]
+ (coor[2]%rl[2])*rl[0]*rl[1]
+ (coor[3]%rl[3])*rl[0]*rl[1]*rl[2];
lex +=
+1000*(coor[0]/rl[0])
+1000*(coor[1]/rl[1])*simd_layout[0]
+1000*(coor[2]/rl[2])*simd_layout[0]*simd_layout[1]
+1000*(coor[3]/rl[3])*simd_layout[0]*simd_layout[1]*simd_layout[2];
int lex_coor = shiftcoor[0]%rl[0]
+ (shiftcoor[1]%rl[1])*rl[0]
+ (shiftcoor[2]%rl[2])*rl[0]*rl[1]
+ (shiftcoor[3]%rl[3])*rl[0]*rl[1]*rl[2];
lex_coor +=
+1000*(shiftcoor[0]/rl[0])
+1000*(shiftcoor[1]/rl[1])*simd_layout[0]
+1000*(shiftcoor[2]/rl[2])*simd_layout[0]*simd_layout[1]
+1000*(shiftcoor[3]/rl[3])*simd_layout[0]*simd_layout[1]*simd_layout[2];
ColourMatrix foo;
ColourMatrix bar;
ColourMatrix shifted1;
ColourMatrix shifted2;
ColourMatrix shifted3;
ColourMatrix foobar1;
ColourMatrix foobar2;
ColourMatrix mdiff,amdiff;
peekSite(shifted1,Shifted,coor);
peekSite(shifted2,Foo,shiftcoor);
peekSite(shifted3,ShiftedCheck,coor);
peekSite(foo,Foo,coor);
mdiff = shifted1-shifted2;
amdiff=adj(mdiff);
ColourMatrix prod = amdiff*mdiff;
TReal Ttr=real(trace(prod));
double nn=Ttr._internal._internal;
if ( nn > 0 )
cout<<"Shift real trace fail "<<coor[0]<<coor[1]<<coor[2]<<coor[3] <<endl;
for(int r=0;r<3;r++){
for(int c=0;c<3;c++){
diff =shifted1._internal._internal[r][c]-shifted2._internal._internal[r][c];
nn=real(conj(diff)*diff);
if ( nn > 0 )
cout<<"Shift fail (shifted1/shifted2-ref) "<<coor[0]<<coor[1]<<coor[2]<<coor[3] <<" "
<<shifted1._internal._internal[r][c]<<" "<<shifted2._internal._internal[r][c]
<< " "<< foo._internal._internal[r][c]<< " lex expect " << lex_coor << " lex "<<lex<<endl;
else if(0)
cout<<"Shift pass 1vs2 "<<coor[0]<<coor[1]<<coor[2]<<coor[3] <<" "
<<shifted1._internal._internal[r][c]<<" "<<shifted2._internal._internal[r][c]
<< " "<< foo._internal._internal[r][c]<< " lex expect " << lex_coor << " lex "<<lex<<endl;
}}
for(int r=0;r<3;r++){
for(int c=0;c<3;c++){
diff =shifted3._internal._internal[r][c]-shifted2._internal._internal[r][c];
nn=real(conj(diff)*diff);
if ( nn > 0 )
cout<<"Shift rb fail (shifted3/shifted2-ref) "<<coor[0]<<coor[1]<<coor[2]<<coor[3] <<" "
<<shifted3._internal._internal[r][c]<<" "<<shifted2._internal._internal[r][c]
<< " "<< foo._internal._internal[r][c]<< " lex expect " << lex_coor << " lex "<<lex<<endl;
else if(0)
cout<<"Shift rb pass 3vs2 "<<coor[0]<<coor[1]<<coor[2]<<coor[3] <<" "
<<shifted3._internal._internal[r][c]<<" "<<shifted2._internal._internal[r][c]
<< " "<< foo._internal._internal[r][c]<< " lex expect " << lex_coor << " lex "<<lex<<endl;
}}
peekSite(bar,Bar,coor);
peekSite(foobar1,FooBar,coor);
foobar2 = foo*bar;
for(int r=0;r<Nc;r++){
for(int c=0;c<Nc;c++){
diff =foobar2._internal._internal[r][c]-foobar1._internal._internal[r][c];
nrm = nrm + real(conj(diff)*diff);
}}
}}}}
if( Fine.IsBoss() ){
std::cout << "LatticeColorMatrix * LatticeColorMatrix nrm diff = "<<nrm<<std::endl;
}
}}
} // loop for lat
} // loop for omp
MPI_Finalize();
}