portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-12 20:27:06 +01:00
Code Releases Activity

Merge branch 'feature/fft-opt' into feature/feynman-rules

Browse Source 
# Conflicts:
#	lib/FFT.h
#	lib/qcd/action/fermion/WilsonFermion5D.h
#	tests/core/Test_fft.cc
This commit is contained in:
Antonin Portelli
2016-10-26 18:44:47 +01:00
parent bca861e112 14ddf2c234
commit ca21003f01
34 changed files with 2498 additions and 2203 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
tests/core/Test_fft.cc
View File

@ -86,11 +86,12 @@ int main (int argc, char ** argv)
FFT theFFT(&GRID);
Ctilde=C;
std::cout<<" Benchmarking FFT of LatticeComplex "<<std::endl;
theFFT.FFT_dim(Ctilde,C,0,FFT::forward); C=Ctilde; std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
theFFT.FFT_dim(Ctilde,C,1,FFT::forward); C=Ctilde; std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
theFFT.FFT_dim(Ctilde,C,2,FFT::forward); C=Ctilde; std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
theFFT.FFT_dim(Ctilde,C,3,FFT::forward); std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
theFFT.FFT_dim(Ctilde,Ctilde,0,FFT::forward); std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
theFFT.FFT_dim(Ctilde,Ctilde,1,FFT::forward); std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
theFFT.FFT_dim(Ctilde,Ctilde,2,FFT::forward); std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
theFFT.FFT_dim(Ctilde,Ctilde,3,FFT::forward); std::cout << theFFT.MFlops()<<" Mflops "<<std::endl;
// C=zero;
// Ctilde = where(abs(Ctilde)<1.0e-10,C,Ctilde);
@ -113,11 +114,12 @@ int main (int argc, char ** argv)
Cref= Cref - C;
std::cout << " invertible check " << norm2(Cref)<<std::endl;
Stilde=S;
std::cout<<" Benchmarking FFT of LatticeSpinMatrix "<<std::endl;
theFFT.FFT_dim(Stilde,S,0,FFT::forward); S=Stilde;std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
theFFT.FFT_dim(Stilde,S,1,FFT::forward); S=Stilde;std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
theFFT.FFT_dim(Stilde,S,2,FFT::forward); S=Stilde;std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
theFFT.FFT_dim(Stilde,S,3,FFT::forward);std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
theFFT.FFT_dim(Stilde,S,0,FFT::forward); std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
theFFT.FFT_dim(Stilde,S,1,FFT::forward); std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
theFFT.FFT_dim(Stilde,S,2,FFT::forward); std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
theFFT.FFT_dim(Stilde,S,3,FFT::forward); std::cout << theFFT.MFlops()<<" mflops "<<std::endl;
SpinMatrixD Sp;
Sp = zero; Sp = Sp+cVol;