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Sizable improvement in multigrid for unsquared.

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6000 matmuls CG unprec
2000 matmuls CG prec (4000 eo muls)
1050 matmuls PGCR on 16^3 x 32 x 8 m=.01

Substantial effort on timing and logging infrastructure
This commit is contained in:
Peter Boyle
2015-07-24 01:31:13 +09:00
parent 11c99d5e66
commit d1afebf71e
67 changed files with 945 additions and 753 deletions
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28
lib/qcd/utils/SUn.h
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@ -372,7 +372,7 @@ Note that in step D setting B ~ X - A and using B in place of A in step E will g
LatticeReal d(grid); d=zero;
LatticeReal alpha(grid);
// std::cout<<"xi "<<xi <<std::endl;
// std::cout<<GridLogMessage<<"xi "<<xi <<std::endl;
alpha = toReal(2.0*xi);
do {
@ -468,11 +468,11 @@ Note that in step D setting B ~ X - A and using B in place of A in step E will g
LatticeMatrix Vcheck(grid);
Vcheck = zero;
Vcheck = where(Accepted,V*adj(V) - 1.0,Vcheck);
// std::cout << "SU3 check " <<norm2(Vcheck)<<std::endl;
// std::cout<<GridLogMessage << "SU3 check " <<norm2(Vcheck)<<std::endl;
assert(norm2(Vcheck)<1.0e-4);
// Verify the link stays in SU(3)
// std::cout <<"Checking the modified link"<<std::endl;
// std::cout<<GridLogMessage <<"Checking the modified link"<<std::endl;
Vcheck = link*adj(link) - 1.0;
assert(norm2(Vcheck)<1.0e-4);
/////////////////////////////////
@ -483,42 +483,42 @@ Note that in step D setting B ~ X - A and using B in place of A in step E will g
for(int gen=0;gen<generators();gen++){
Matrix ta;
generator(gen,ta);
std::cout<< "Nc = "<<ncolour<<" t_"<<gen<<std::endl;
std::cout<<ta<<std::endl;
std::cout<<GridLogMessage<< "Nc = "<<ncolour<<" t_"<<gen<<std::endl;
std::cout<<GridLogMessage<<ta<<std::endl;
}
}
static void testGenerators(void){
Matrix ta;
Matrix tb;
std::cout<<"Checking trace ta tb is 0.5 delta_ab"<<std::endl;
std::cout<<GridLogMessage<<"Checking trace ta tb is 0.5 delta_ab"<<std::endl;
for(int a=0;a<generators();a++){
for(int b=0;b<generators();b++){
generator(a,ta);
generator(b,tb);
Complex tr =TensorRemove(trace(ta*tb));
std::cout<<tr<<" ";
std::cout<<GridLogMessage<<tr<<" ";
if(a==b) assert(abs(tr-Complex(0.5))<1.0e-6);
if(a!=b) assert(abs(tr)<1.0e-6);
}
std::cout<<std::endl;
std::cout<<GridLogMessage<<std::endl;
}
std::cout<<"Checking hermitian"<<std::endl;
std::cout<<GridLogMessage<<"Checking hermitian"<<std::endl;
for(int a=0;a<generators();a++){
generator(a,ta);
std::cout<<a<<" ";
std::cout<<GridLogMessage<<a<<" ";
assert(norm2(ta-adj(ta))<1.0e-6);
}
std::cout<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<"Checking traceless"<<std::endl;
std::cout<<GridLogMessage<<"Checking traceless"<<std::endl;
for(int a=0;a<generators();a++){
generator(a,ta);
Complex tr =TensorRemove(trace(ta));
std::cout<<a<<" ";
std::cout<<GridLogMessage<<a<<" ";
assert(abs(tr)<1.0e-6);
}
std::cout<<std::endl;
std::cout<<GridLogMessage<<std::endl;
}
// reunitarise??