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Hadrons: more contractor instrumentation

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This commit is contained in:
Antonin Portelli 2018-11-09 16:23:53 +00:00
parent 68c76a410d
commit f5422c7334
1 changed files with 52 additions and 18 deletions
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70
Hadrons/Utilities/Contractor.cc
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@ -27,6 +27,7 @@ See the full license in the file "LICENSE" in the top level distribution directo
#include <Hadrons/Global.hpp>
#include <Hadrons/A2AMatrix.hpp>
#include <Hadrons/DiskVector.hpp>
#include <Hadrons/TimerArray.hpp>
using namespace Grid;
using namespace QCD;
@ -142,6 +143,23 @@ std::set<unsigned int> parseTimeRange(const std::string str, const unsigned int
return tSet;
}
struct Sec
{
Sec(const double usec)
{
seconds = usec/1.0e6;
}
double seconds;
};
inline std::ostream & operator<< (std::ostream& s, const Sec &&sec)
{
s << std::setw(10) << sec.seconds << " sec";
return s;
}
struct Flops
{
Flops(const double flops, const double fusec)
@ -223,7 +241,8 @@ int main(int argc, char* argv[])
A2AMatrixIo<HADRONS_A2AM_IO_TYPE> a2aIo(p.file, p.dataset, par.global.nt);
a2aIo.load(a2aMat.at(p.name), &t);
std::cout << "Read " << a2aIo.getSize() << " bytes in " << t << " usec, " << a2aIo.getSize()/t*1.0e6/1024/1024 << " MB/s" << std::endl;
std::cout << "Read " << a2aIo.getSize() << " bytes in " << t/1.0e6
<< " sec, " << a2aIo.getSize()/t*1.0e6/1024/1024 << " MB/s" << std::endl;
}
// contract
@ -238,9 +257,10 @@ int main(int argc, char* argv[])
std::vector<ComplexD> corr(par.global.nt);
std::vector<A2AMatrixTr<ComplexD>> lastTerm(par.global.nt);
A2AMatrix<ComplexD> prod, buf, tmp;
double fusec, busec, flops, bytes;
TimerArray tAr;
double fusec, busec, flops, bytes, tusec;
std::cout << "======== Product tr(";
std::cout << "======== Contraction tr(";
for (unsigned int g = 0; g < term.size(); ++g)
{
std::cout << term[g] << ((g == term.size() - 1) ? ')' : '*');
@ -262,13 +282,18 @@ int main(int argc, char* argv[])
<< timeSeq.size()*translations.size()*par.global.nt << " tr(A*B)"
<< std::endl;
std::cout << "-- caching transposed last term" << std::endl;
std::cout << "* Caching transposed last term" << std::endl;
for (unsigned int t = 0; t < par.global.nt; ++t)
{
const A2AMatrix<ComplexD> &ref = a2aMat.at(term.back())[t];
tAr.startTimer("Transpose caching");
lastTerm[t] = ref;
tAr.stopTimer("Transpose caching");
}
bytes = par.global.nt*lastTerm[0].rows()*lastTerm[0].cols()*sizeof(ComplexD);
std::cout << Sec(tAr.getDTimer("Transpose caching")) << " "
<< Bytes(bytes, tAr.getDTimer("Transpose caching")) << std::endl;
for (unsigned int i = 0; i < timeSeq.size(); ++i)
{
unsigned int dti = 0;
@ -289,41 +314,50 @@ int main(int argc, char* argv[])
}
flops = 0.;
bytes = 0.;
fusec = 0.;
busec = 0.;
fusec = tAr.getDTimer("A*B algebra");
busec = tAr.getDTimer("A*B total");
tAr.startTimer("Linear algebra");
tAr.startTimer("Disk vector overhead");
prod = a2aMat.at(term[0])[TIME_MOD(t[0] + dt)];
tAr.stopTimer("Disk vector overhead");
for (unsigned int j = 1; j < term.size() - 1; ++j)
{
tAr.startTimer("Disk vector overhead");
const A2AMatrix<ComplexD> &ref = a2aMat.at(term[j])[TIME_MOD(t[j] + dt)];
fusec -= usecond();
busec -= usecond();
tAr.stopTimer("Disk vector overhead");
tAr.startTimer("A*B total");
tAr.startTimer("A*B algebra");
A2AContraction::mul(tmp, prod, ref);
fusec += usecond();
tAr.stopTimer("A*B algebra");
flops += A2AContraction::mulFlops(prod, ref);
prod = tmp;
busec += usecond();
tAr.stopTimer("A*B total");
bytes += 3.*tmp.rows()*tmp.cols()*sizeof(ComplexD);
}
if (term.size() > 2)
{
std::cout << Flops(flops, fusec) << " " << Bytes(bytes, busec) << std::endl;
std::cout << Sec(tAr.getDTimer("A*B total") - busec) << " "
<< Flops(flops, tAr.getDTimer("A*B algebra") - fusec) << " "
<< Bytes(bytes, tAr.getDTimer("A*B total") - busec) << std::endl;
}
std::cout << std::setw(8) << "traces";
flops = 0.;
bytes = 0.;
fusec = 0.;
busec = 0.;
fusec = tAr.getDTimer("tr(A*B)");
busec = tAr.getDTimer("tr(A*B)");
for (unsigned int tLast = 0; tLast < par.global.nt; ++tLast)
{
fusec -= usecond();
busec -= usecond();
tAr.startTimer("tr(A*B)");
A2AContraction::accTrMul(corr[TIME_MOD(tLast - dt)], prod, lastTerm[tLast]);
fusec += usecond();
busec += usecond();
tAr.stopTimer("tr(A*B)");
flops += A2AContraction::accTrMulFlops(prod, lastTerm[tLast]);
bytes += 2.*prod.rows()*prod.cols()*sizeof(ComplexD);
}
std::cout << Flops(flops, fusec) << " " << Bytes(bytes, busec) << std::endl;
tAr.stopTimer("Linear algebra");
std::cout << Sec(tAr.getDTimer("tr(A*B)") - busec) << " "
<< Flops(flops, tAr.getDTimer("tr(A*B)") - fusec) << " "
<< Bytes(bytes, tAr.getDTimer("tr(A*B)") - busec) << std::endl;
dti++;
}
for (unsigned int tLast = 0; tLast < par.global.nt; ++tLast)