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fixed race condition (thx michael)

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This commit is contained in:
david clarke 2024-02-23 17:14:28 -07:00
parent 94581e3c7a
commit b02d022993
1 changed files with 32 additions and 27 deletions
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59
Grid/qcd/smearing/HISQSmearing.h
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@ -168,25 +168,26 @@ public:
// We infer some types that will be needed in the calculation.
typedef decltype(gStencil.GetEntry(0,0)) stencilElement;
typedef decltype(coalescedReadGeneralPermute(U_v[0](0),gStencil.GetEntry(0,0)->_permute,Nd)) U3matrix;
stencilElement SE0, SE1, SE2, SE3, SE4, SE5;
U3matrix U0, U1, U2, U3, U4, U5, W;
int Nsites = U_v.size();
auto gStencil_v = gStencil.View();
// accelerator_for(site,Nsites,Simd::Nsimd(),{ // ----------- 3-link constructs
for(int site=0;site<Nsites;site++){ // ----------- 3-link constructs
accelerator_for(site,Nsites,Simd::Nsimd(),{ // ----------- 3-link constructs
// for(int site=0;site<Nsites;site++){ // ----------- 3-link constructs
stencilElement SE0, SE1, SE2, SE3, SE4, SE5;
U3matrix U0, U1, U2, U3, U4, U5, W;
for(int nu=0;nu<Nd;nu++) {
if(nu==mu) continue;
int s = stencilIndex(mu,nu);
// The stencil gives us support points in the mu-nu plane that we will use to
// grab the links we need.
SE0 = gStencil.GetEntry(s+0,site); int x_p_mu = SE0->_offset;
SE1 = gStencil.GetEntry(s+1,site); int x_p_nu = SE1->_offset;
SE2 = gStencil.GetEntry(s+2,site); int x = SE2->_offset;
SE3 = gStencil.GetEntry(s+3,site); int x_p_mu_m_nu = SE3->_offset;
SE4 = gStencil.GetEntry(s+4,site); int x_m_nu = SE4->_offset;
SE5 = gStencil.GetEntry(s+5,site); int x_m_mu = SE5->_offset;
SE0 = gStencil_v.GetEntry(s+0,site); int x_p_mu = SE0->_offset;
SE1 = gStencil_v.GetEntry(s+1,site); int x_p_nu = SE1->_offset;
SE2 = gStencil_v.GetEntry(s+2,site); int x = SE2->_offset;
SE3 = gStencil_v.GetEntry(s+3,site); int x_p_mu_m_nu = SE3->_offset;
SE4 = gStencil_v.GetEntry(s+4,site); int x_m_nu = SE4->_offset;
SE5 = gStencil_v.GetEntry(s+5,site); int x_m_mu = SE5->_offset;
// When you're deciding whether to take an adjoint, the question is: how is the
// stored link oriented compared to the one you want? If I imagine myself travelling
@ -212,10 +213,12 @@ public:
// But on GPU it's non-trivial and maps scalar object to vector object and vice versa.
coalescedWrite(U_fat_v[x](mu), U_fat_v(x)(mu) + lt.c_3*W);
}
}//)
})
// accelerator_for(site,Nsites,Simd::Nsimd(),{ // ----------- 5-link
for(int site=0;site<Nsites;site++){ // ----------- 5-link
accelerator_for(site,Nsites,Simd::Nsimd(),{ // ----------- 5-link
// for(int site=0;site<Nsites;site++){ // ----------- 5-link
stencilElement SE0, SE1, SE2, SE3, SE4, SE5;
U3matrix U0, U1, U2, U3, U4, U5, W;
int sigmaIndex = 0;
for(int nu=0;nu<Nd;nu++) {
if(nu==mu) continue;
@ -223,11 +226,11 @@ public:
for(int rho=0;rho<Nd;rho++) {
if (rho == mu || rho == nu) continue;
SE0 = gStencil.GetEntry(s+0,site); int x_p_mu = SE0->_offset;
SE1 = gStencil.GetEntry(s+1,site); int x_p_nu = SE1->_offset;
SE2 = gStencil.GetEntry(s+2,site); int x = SE2->_offset;
SE3 = gStencil.GetEntry(s+3,site); int x_p_mu_m_nu = SE3->_offset;
SE4 = gStencil.GetEntry(s+4,site); int x_m_nu = SE4->_offset;
SE0 = gStencil_v.GetEntry(s+0,site); int x_p_mu = SE0->_offset;
SE1 = gStencil_v.GetEntry(s+1,site); int x_p_nu = SE1->_offset;
SE2 = gStencil_v.GetEntry(s+2,site); int x = SE2->_offset;
SE3 = gStencil_v.GetEntry(s+3,site); int x_p_mu_m_nu = SE3->_offset;
SE4 = gStencil_v.GetEntry(s+4,site); int x_m_nu = SE4->_offset;
U0 = coalescedReadGeneralPermute( U_v[x_p_mu ](nu ),SE0->_permute,Nd);
U1 = coalescedReadGeneralPermute(U_3link_v[x_p_nu ](rho),SE1->_permute,Nd);
@ -248,10 +251,12 @@ public:
sigmaIndex++;
}
}
}//)
})
// accelerator_for(site,Nsites,Simd::Nsimd(),{ // ----------- 7-link
for(int site=0;site<Nsites;site++){ // ----------- 7-link
accelerator_for(site,Nsites,Simd::Nsimd(),{ // ----------- 7-link
// for(int site=0;site<Nsites;site++){ // ----------- 7-link
stencilElement SE0, SE1, SE2, SE3, SE4, SE5;
U3matrix U0, U1, U2, U3, U4, U5, W;
int sigmaIndex = 0;
for(int nu=0;nu<Nd;nu++) {
if(nu==mu) continue;
@ -259,11 +264,11 @@ public:
for(int rho=0;rho<Nd;rho++) {
if (rho == mu || rho == nu) continue;
SE0 = gStencil.GetEntry(s+0,site); int x_p_mu = SE0->_offset;
SE1 = gStencil.GetEntry(s+1,site); int x_p_nu = SE1->_offset;
SE2 = gStencil.GetEntry(s+2,site); int x = SE2->_offset;
SE3 = gStencil.GetEntry(s+3,site); int x_p_mu_m_nu = SE3->_offset;
SE4 = gStencil.GetEntry(s+4,site); int x_m_nu = SE4->_offset;
SE0 = gStencil_v.GetEntry(s+0,site); int x_p_mu = SE0->_offset;
SE1 = gStencil_v.GetEntry(s+1,site); int x_p_nu = SE1->_offset;
SE2 = gStencil_v.GetEntry(s+2,site); int x = SE2->_offset;
SE3 = gStencil_v.GetEntry(s+3,site); int x_p_mu_m_nu = SE3->_offset;
SE4 = gStencil_v.GetEntry(s+4,site); int x_m_nu = SE4->_offset;
U0 = coalescedReadGeneralPermute(U_v[x_p_mu](nu),SE0->_permute,Nd);
if(sigmaIndex<3) {
@ -286,7 +291,7 @@ public:
sigmaIndex++;
}
}
}//)
})
} // end mu loop