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2d loop hits Nvidia 16bit limit on large local vols

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This commit is contained in:
Peter Boyle 2021-03-09 04:31:10 +01:00
parent 4d1ea15c79
commit 6a429ee6d3
1 changed files with 11 additions and 5 deletions
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16
Grid/cshift/Cshift_common.h
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@ -110,9 +110,11 @@ Gather_plane_extract(const Lattice<vobj> &rhs,
int n1=rhs.Grid()->_slice_stride[dimension];
if ( cbmask ==0x3){
#ifdef ACCELERATOR_CSHIFT
#ifdef ACCELERATOR_CSHIFT
autoView(rhs_v , rhs, AcceleratorRead);
accelerator_for2d(n,e1,b,e2,1,{
accelerator_for(nn,e1*e2,1,{
int n = nn%e1;
int b = nn/e1;
int o = n*n1;
int offset = b+n*e2;
@ -135,7 +137,9 @@ Gather_plane_extract(const Lattice<vobj> &rhs,
std::cout << " Dense packed buffer WARNING " <<std::endl; // Does this get called twice once for each cb?
#ifdef ACCELERATOR_CSHIFT
autoView(rhs_v , rhs, AcceleratorRead);
accelerator_for2d(n,e1,b,e2,1,{
accelerator_for(nn,e1*e2,1,{
int n = nn%e1;
int b = nn/e1;
Coordinate coor;
@ -257,7 +261,9 @@ template<class vobj> void Scatter_plane_merge(Lattice<vobj> &rhs,ExtractPointerA
int _slice_block = rhs.Grid()->_slice_block[dimension];
#ifdef ACCELERATOR_CSHIFT
autoView( rhs_v , rhs, AcceleratorWrite);
accelerator_for2d(n,e1,b,e2,1,{
accelerator_for(nn,e1*e2,1,{
int n = nn%e1;
int b = nn/e1;
int o = n*_slice_stride;
int offset = b+n*_slice_block;
merge(rhs_v[so+o+b],pointers,offset);
@ -274,7 +280,7 @@ template<class vobj> void Scatter_plane_merge(Lattice<vobj> &rhs,ExtractPointerA
// Case of SIMD split AND checker dim cannot currently be hit, except in
// Test_cshift_red_black code.
// std::cout << "Scatter_plane merge assert(0); think this is buggy FIXME "<< std::endl;// think this is buggy FIXME
std::cout << "Scatter_plane merge assert(0); think this is buggy FIXME "<< std::endl;// think this is buggy FIXME
std::cout<<" Unthreaded warning -- buffer is not densely packed ??"<<std::endl;
assert(0); // This will fail if hit on GPU
autoView( rhs_v, rhs, CpuWrite);