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Grid/tests/debug/Test_zmm.cc
Guido Cossu 0fd179fb33 Merge branch 'develop' into feature/hirep
2016-09-01 12:59:53 +01:00

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_zmm.cc
Copyright (C) 2015
Author: paboyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Grid/Grid.h>
#include <Grid/PerfCount.h>
#ifdef TEST_ZMM
int main(int argc,char **argv)
{
return 0;
}
#if 0
#include <simd/Intel512wilson.h>
using namespace Grid;
using namespace Grid::QCD;
void ZmulF(void *ptr1,void *ptr2,void *ptr3);
void Zmul(void *ptr1,void *ptr2,void *ptr3);
void WilsonDslashAvx512(void *ptr1,void *ptr2,void *ptr3);
void WilsonDslashAvx512F(void *ptr1,void *ptr2,void *ptr3);
void TimesIAvx512F(void *ptr1,void *ptr3);
void TimesIAvx512(void *ptr1,void *ptr3);
void TimesMinusIAvx512F(void *ptr1,void *ptr3);
void TimesMinusIAvx512(void *ptr1,void *ptr3);
int main(int argc,char **argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt4 = GridDefaultLatt();
const int Ls=16;
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(latt4, GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
int threads = GridThread::GetThreads();
std::vector<int> seeds4({1,2,3,4});
std::vector<int> seeds5({5,6,7,8});
GridSerialRNG sRNG; sRNG.SeedFixedIntegers(seeds4);
vColourMatrixD mat;
vHalfSpinColourVectorD vec;
vHalfSpinColourVectorD vec1;
vHalfSpinColourVectorD vec2;
vHalfSpinColourVectorD vec3;
vHalfSpinColourVectorD matvec;
vHalfSpinColourVectorD ref;
vComplexD err;
random(sRNG,vec1);
vec1 = std::complex<double>(0.1,3.0);
random(sRNG,vec2);
vec2=2.0;
random(sRNG,vec3);
//std::cout << "Zmul vec1"<<vec1<<" &vec1 "<<& vec1<<std::endl;
//std::cout << "Zmul vec2"<<vec2<<" &vec2 "<<& vec2<<std::endl;
//std::cout << "Zmul vec3"<<vec3<<" &vec3 "<<& vec3<<std::endl;
for(int sp=0;sp<2;sp++){
for(int co=0;co<3;co++){
ref()(sp)(co) = vec1()(sp)(co)*vec2()(sp)(co);
}}
Zmul((void *)&vec1,(void *)&vec2,(void *)&vec3);
//std::cout << "Zmul vec3"<<vec3<<" &vec3 "<<& vec3<<std::endl;
//std::cout << "Zmul \n\t ref "<<ref<<"\n\t vec3"<<vec3 <<std::endl;
ref = ref - vec3;
err = TensorRemove(innerProduct(ref,ref));
std::cout <<"Zmul diff "<< Reduce(err)<<std::endl;
random(sRNG,mat);
mat = zero;
mat()()(0,0) = 1.0;
random(sRNG,vec);
ref = mat*vec;
WilsonDslashAvx512((void *)&vec, (void *)&mat,(void *)&matvec);
//std::cout << ref <<std::endl;
//std::cout << matvec<<std::endl;
ref = ref - matvec;
err = TensorRemove(innerProduct(ref,ref));
std::cout <<"Double SU3 x 2spin diff "<< Reduce(err)<<std::endl;
vColourMatrixF matF;
vHalfSpinColourVectorF vec1F;
vHalfSpinColourVectorF vec2F;
vHalfSpinColourVectorF vec3F;
vHalfSpinColourVectorF vecF;
vHalfSpinColourVectorF matvecF;
vHalfSpinColourVectorF refF;
vComplexF errF;
random(sRNG,matF);
matF = zero;
matF()()(0,0)=1.0;
random(sRNG,vecF);
refF = matF*vecF;
WilsonDslashAvx512F((void *)&vecF, (void *)&matF,(void *)&matvecF);
//std::cout << refF <<std::endl;
//std::cout << matvecF<<std::endl;
refF = refF-matvecF;
errF = TensorRemove(innerProduct(refF,refF));
std::cout <<"Single SU3 x 2spin diff "<< Reduce(errF)<<std::endl;
TimesIAvx512F((void *)&vecF,(void *)&matvecF);
//std::cout << timesI(vecF)<<std::endl;
//std::cout << matvecF<<std::endl;
refF = timesI(vecF)-matvecF;
errF = TensorRemove(innerProduct(refF,refF));
std::cout <<" timesI single diff "<< Reduce(errF)<<std::endl;
TimesIAvx512((void *)&vec,(void *)&matvec);
//std::cout << timesI(vec)<<std::endl;
//std::cout << matvec<<std::endl;
ref = timesI(vec)-matvec;
err = TensorRemove(innerProduct(ref,ref));
std::cout <<" timesI double diff "<< Reduce(err)<<std::endl;
TimesMinusIAvx512F((void *)&vecF,(void *)&matvecF);
//std::cout << timesMinusI(vecF)<<std::endl;
//std::cout << matvecF<<std::endl;
refF = timesMinusI(vecF)-matvecF;
errF = TensorRemove(innerProduct(refF,refF));
std::cout <<" timesMinusI single diff "<< Reduce(errF)<<std::endl;
TimesMinusIAvx512((void *)&vec,(void *)&matvec);
//std::cout << timesMinusI(vec)<<std::endl;
//std::cout << matvec<<std::endl;
ref = timesMinusI(vec)-matvec;
err = TensorRemove(innerProduct(ref,ref));
std::cout <<" timesMinusI double diff "<< Reduce(err)<<std::endl;
LatticeFermion src (FGrid);
LatticeFermion tmp (FGrid);
LatticeFermion srce(FrbGrid);
LatticeFermion resulto(FrbGrid); resulto=zero;
LatticeFermion resulta(FrbGrid); resulta=zero;
LatticeFermion diff(FrbGrid);
LatticeGaugeField Umu(UGrid);
GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
GridParallelRNG RNG5(FGrid); RNG5.SeedFixedIntegers(seeds5);
random(RNG5,src);
#if 1
random(RNG4,Umu);
#else
int mmu=2;
std::vector<LatticeColourMatrix> U(4,UGrid);
for(int mu=0;mu<Nd;mu++){
U[mu] = PeekIndex<LorentzIndex>(Umu,mu);
if ( mu!=mmu ) U[mu] = zero;
if ( mu==mmu ) U[mu] = 1.0;
PokeIndex<LorentzIndex>(Umu,U[mu],mu);
}
#endif
pickCheckerboard(Even,srce,src);
RealD mass=0.1;
RealD M5 =1.8;
DomainWallFermionR Dw(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
std::cout<<GridLogMessage << "Calling Dw"<<std::endl;
int ncall=50;
double t0=usecond();
for(int i=0;i<ncall;i++){
Dw.DhopOE(srce,resulto,0);
}
double t1=usecond();
double volume=Ls; for(int mu=0;mu<Nd;mu++) volume=volume*latt4[mu];
double flops=1344*volume/2;
std::cout<<GridLogMessage << "Called Dw"<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(resulto)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops*ncall/(t1-t0)<<std::endl;
QCD::WilsonFermion5DStatic::AsmOptDslash=1;
t0=usecond();
for(int i=0;i<ncall;i++){
Dw.DhopOE(srce,resulta,0);
}
t1=usecond();
#if 1
for(int i=0;i< PerformanceCounter::NumTypes(); i++ ){
Dw.DhopOE(srce,resulta,0);
PerformanceCounter Counter(i);
Counter.Start();
Dw.DhopOE(srce,resulta,0);
Counter.Stop();
Counter.Report();
}
#endif
//resulta = (-0.5) * resulta;
std::cout<<GridLogMessage << "Called Asm Dw"<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(resulta)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops*ncall/(t1-t0)<<std::endl;
diff = resulto-resulta;
std::cout<<GridLogMessage << "diff "<< norm2(diff)<<std::endl;
std::cout<<std::endl;
#if 0
std::cout<<"=========== result Grid ============="<<std::endl;
std::cout<<std::endl;
tmp = zero;
setCheckerboard(tmp,resulto);
std::cout<<tmp<<std::endl;
std::cout<<std::endl;
std::cout<<"=========== result ASM ============="<<std::endl;
std::cout<<std::endl;
tmp = zero;
setCheckerboard(tmp,resulta);
std::cout<<tmp<<std::endl;
#endif
}
#include <simd/Intel512double.h>
#define zz Z0
void Zmul(void *ptr1,void *ptr2,void *ptr3)
{
__asm__ ("mov $0xAAAA, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k6 " : : :);
__asm__ ("mov $0x5555, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k7 " : : :);
#define CC result_00
LOAD64(%r9,ptr1);
LOAD64(%r8,ptr2);
LOAD64(%r10,ptr3)
__asm__ (
VLOAD(0,%r8,CC)
ZLOAD(0,%r9,Chi_00,Z0)
ZMUL(Chi_00,Z0,CC,UChi_00,Z1)
//VSTORE(0,%r10,UChi_00)
//VSTORE(1,%r10,Z1)
ZEND1(UChi_00,Z1,Z0)
//VSTORE(2,%r10,UChi_00)
ZEND2(UChi_00,Z1,Z0)
//VSTORE(3,%r10,UChi_00)
VSTORE(0,%r10,UChi_00)
VLOAD(1,%r8,CC)
ZLOAD(1,%r9,Chi_01,Z0)
ZMUL(Chi_01,Z0,CC,UChi_01,Z1)
ZEND1(UChi_01,Z1,Z0)
ZEND2(UChi_01,Z1,Z0)
VSTORE(1,%r10,UChi_01)
VLOAD(2,%r8,CC)
ZLOAD(2,%r9,Chi_02,Z0)
ZMUL(Chi_02,Z0,CC,UChi_02,Z1)
ZEND1(UChi_02,Z1,Z0)
ZEND2(UChi_02,Z1,Z0)
VSTORE(2,%r10,UChi_02)
VLOAD(3,%r8,CC)
ZLOAD(3,%r9,Chi_10,Z0)
ZMUL(Chi_10,Z0,CC,UChi_10,Z1)
ZEND1(UChi_10,Z1,Z0)
ZEND2(UChi_10,Z1,Z0)
VSTORE(3,%r10,UChi_10)
VLOAD(4,%r8,CC)
ZLOAD(4,%r9,Chi_11,Z0)
ZMUL(Chi_11,Z0,CC,UChi_11,Z1)
ZEND1(UChi_11,Z1,Z0)
ZEND2(UChi_11,Z1,Z0)
VSTORE(4,%r10,UChi_11)
VLOAD(5,%r8,CC)
ZLOAD(5,%r9,Chi_12,Z0)
ZMUL(Chi_12,Z0,CC,UChi_12,Z1)
ZEND1(UChi_12,Z1,Z0)
ZEND2(UChi_12,Z1,Z0)
VSTORE(5,%r10,UChi_12)
);
}
void TimesMinusIAvx512(void *ptr1,void *ptr3)
{
__asm__ ("mov $0xAAAA, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k6 " : : :);
__asm__ ("mov $0x5555, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k7 " : : :);
MASK_REGS;
LOAD_CHI(ptr1);
__asm__ (
VZERO(zz)
VTIMESMINUSI(Chi_00,UChi_00,zz)
VTIMESMINUSI(Chi_01,UChi_01,zz)
VTIMESMINUSI(Chi_02,UChi_02,zz)
VTIMESMINUSI(Chi_10,UChi_10,zz)
VTIMESMINUSI(Chi_11,UChi_11,zz)
VTIMESMINUSI(Chi_12,UChi_12,zz)
);
SAVE_UCHI(ptr3);
}
void TimesIAvx512(void *ptr1,void *ptr3)
{
__asm__ ("mov $0xAAAA, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k6 " : : :);
__asm__ ("mov $0x5555, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k7 " : : :);
MASK_REGS;
LOAD_CHI(ptr1);
__asm__ (
VZERO(zz)
VTIMESI(Chi_00,UChi_00,zz)
VTIMESI(Chi_01,UChi_01,zz)
VTIMESI(Chi_02,UChi_02,zz)
VTIMESI(Chi_10,UChi_10,zz)
VTIMESI(Chi_11,UChi_11,zz)
VTIMESI(Chi_12,UChi_12,zz)
);
SAVE_UCHI(ptr3);
}
void WilsonDslashAvx512(void *ptr1,void *ptr2,void *ptr3)
{
int return_address;
// prototype computed goto to eliminate ABI save restore on call/return in
// generated assembly.
static void * table[] = { &&save, &&mult };
MASK_REGS;
LOAD_CHI(ptr1);
return_address = 0;
goto mult;
save:
SAVE_UCHI(ptr3);
return;
mult:
MULT_2SPIN(ptr2);
goto *table[return_address];
}
#include <simd/Intel512single.h>
void ZmulF(void *ptr1,void *ptr2,void *ptr3)
{
__asm__ ("mov $0xAAAA, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k6 " : : :);
__asm__ ("mov $0x5555, %%eax " : : :"%eax");
__asm__ ("kmovw %%eax, %%k7 " : : :);
MASK_REGS;
ZLOAD(0,ptr1,Chi_00,Z0);
ZLOAD(1,ptr1,Chi_01,Z1);
ZLOAD(2,ptr1,Chi_02,Z2);
ZLOAD(3,ptr1,Chi_10,Z3);
ZLOAD(4,ptr1,Chi_11,Z4);
ZLOAD(5,ptr1,Chi_12,Z5);
VLOAD(0,ptr2,Chi_20);
VLOAD(1,ptr2,Chi_21);
VLOAD(2,ptr2,Chi_22);
VLOAD(3,ptr2,Chi_30);
VLOAD(4,ptr2,Chi_31);
VLOAD(5,ptr2,Chi_32);
ZMUL(Chi_00,Z0,Chi_20,UChi_00,UChi_20);
ZMUL(Chi_01,Z1,Chi_21,UChi_01,UChi_21);
ZMUL(Chi_02,Z2,Chi_22,UChi_02,UChi_22);
ZMUL(Chi_10,Z3,Chi_23,UChi_10,UChi_30);
ZMUL(Chi_11,Z4,Chi_24,UChi_11,UChi_31);
ZMUL(Chi_12,Z5,Chi_25,UChi_12,UChi_32);
ZEND1(UChi_00,UChi_20,Z0);
ZEND1(UChi_01,UChi_21,Z1);
ZEND1(UChi_02,UChi_22,Z2);
ZEND1(UChi_10,UChi_30,Z3);
ZEND1(UChi_11,UChi_31,Z4);
ZEND1(UChi_12,UChi_32,Z5);
ZEND2(UChi_00,UChi_20,Z0);
ZEND2(UChi_01,UChi_21,Z1);
ZEND2(UChi_02,UChi_22,Z2);
ZEND2(UChi_10,UChi_30,Z3);
ZEND2(UChi_11,UChi_31,Z4);
ZEND2(UChi_12,UChi_32,Z5);
SAVE_UCHI(ptr3);
}
void TimesMinusIAvx512F(void *ptr1,void *ptr3)
{
MASK_REGS;
LOAD_CHI(ptr1);
__asm__ (
VZERO(zz)
VTIMESMINUSI(Chi_00,UChi_00,zz)
VTIMESMINUSI(Chi_01,UChi_01,zz)
VTIMESMINUSI(Chi_02,UChi_02,zz)
VTIMESMINUSI(Chi_10,UChi_10,zz)
VTIMESMINUSI(Chi_11,UChi_11,zz)
VTIMESMINUSI(Chi_12,UChi_12,zz)
);
SAVE_UCHI(ptr3);
}
void TimesIAvx512F(void *ptr1,void *ptr3)
{
MASK_REGS;
LOAD_CHI(ptr1);
__asm__ (
VZERO(zz)
VTIMESI(Chi_00,UChi_00,zz)
VTIMESI(Chi_01,UChi_01,zz)
VTIMESI(Chi_02,UChi_02,zz)
VTIMESI(Chi_10,UChi_10,zz)
VTIMESI(Chi_11,UChi_11,zz)
VTIMESI(Chi_12,UChi_12,zz)
);
SAVE_UCHI(ptr3);
}
void WilsonDslashAvx512F(void *ptr1,void *ptr2,void *ptr3)
{
MASK_REGS;
LOAD_CHI(ptr1);
MULT_ADDSUB_2SPIN(ptr2);
//MULT_2SPIN(ptr2);
SAVE_UCHI(ptr3);
return;
}
#endif
#else
int main(int argc, char **argv)
{
std::cerr << "error: no ZMM test for the selected architecture" << std::endl;
return 1;
}
#endif
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