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Project on group fix on GPU tracked to reciprocal sqrt collision between CUDA and Grid rsqrt

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This commit is contained in:
Peter Boyle
2020-10-31 18:12:47 -04:00
parent d10422ded8
commit cc9c993f74
4 changed files with 6 additions and 12 deletions
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7
Grid/tensors/Tensor_Ta.h
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@ -92,17 +92,22 @@ accelerator_inline iMatrix<vtype,N> ProjectOnGroup(const iMatrix<vtype,N> &arg)
{
// need a check for the group type?
iMatrix<vtype,N> ret(arg);
vtype rnrm;
vtype nrm;
vtype inner;
for(int c1=0;c1<N;c1++){
// Normalises row c1
zeroit(inner);
for(int c2=0;c2<N;c2++)
inner += innerProduct(ret._internal[c1][c2],ret._internal[c1][c2]);
nrm = rsqrt(inner);
nrm = sqrt(inner);
nrm = 1.0/nrm;
for(int c2=0;c2<N;c2++)
ret._internal[c1][c2]*= nrm;
// Remove c1 from rows c1+1...N-1
for (int b=c1+1; b<N; ++b){
decltype(ret._internal[b][b]*ret._internal[b][b]) pr;
zeroit(pr);

1
Grid/tensors/Tensor_unary.h
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@ -84,7 +84,6 @@ NAMESPACE_BEGIN(Grid);
}
UNARY(sqrt);
UNARY(rsqrt);
UNARY(sin);
UNARY(cos);
UNARY(asin);