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Global edit with change to View usage. autoView() creates a wrapper object that closes the view when scope closes.

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This commit is contained in:
Peter Boyle
2020-06-05 18:52:35 -04:00
parent f39c2a240b
commit 1a4c8c3387
78 changed files with 773 additions and 778 deletions
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46
Grid/stencil/Stencil.h
View File

@@ -67,6 +67,7 @@ void Gather_plane_simple_table (Vector<std::pair<int,int> >& table,const Lattice
{
int num=table.size();
std::pair<int,int> *table_v = & table[0];
auto rhs_v = rhs.View(AcceleratorRead);
accelerator_forNB( i,num, vobj::Nsimd(), {
typedef decltype(coalescedRead(buffer[0])) compressed_t;
@@ -75,6 +76,7 @@ void Gather_plane_simple_table (Vector<std::pair<int,int> >& table,const Lattice
compress.Compress(&tmp_c,0,rhs_v(so+table_v[i].second));
coalescedWrite(buffer[off+o],tmp_c);
});
rhs_v.ViewClose();
// Further optimisatoin: i) software prefetch the first element of the next table entry, prefetch the table
}
@@ -104,6 +106,7 @@ void Gather_plane_exchange_table(Vector<std::pair<int,int> >& table,const Lattic
so+tp[2*j+1].second,
type);
});
rhs_v.ViewClose();
}
struct StencilEntry {
@@ -181,31 +184,30 @@ class CartesianStencilAccelerator {
template<class vobj,class cobj,class Parameters>
class CartesianStencilView : public CartesianStencilAccelerator<vobj,cobj,Parameters>
{
#ifndef GRID_UVM
std::shared_ptr<MemViewDeleter> Deleter;
#endif
private:
int *closed;
StencilEntry *cpu_ptr;
ViewMode mode;
public:
//
#ifdef GRID_UVM
CartesianStencilView (const CartesianStencilAccelerator<vobj,cobj,Parameters> &refer_to_me,ViewMode mode)
: CartesianStencilAccelerator<vobj,cobj,Parameters>(refer_to_me){};
#else
CartesianStencilView (const CartesianStencilView &refer_to_me)
: CartesianStencilAccelerator<vobj,cobj,Parameters>(refer_to_me), Deleter(refer_to_me.Deleter)
{ }
CartesianStencilView (const CartesianStencilAccelerator<vobj,cobj,Parameters> &refer_to_me,ViewMode mode)
: CartesianStencilAccelerator<vobj,cobj,Parameters>(refer_to_me), Deleter(new MemViewDeleter)
{
Deleter->cpu_ptr =(void *)this->_entries_p;
Deleter->mode = mode;
this->_entries_p =(StencilEntry *)
// default copy constructor
CartesianStencilView (const CartesianStencilView &refer_to_me) = default;
CartesianStencilView (const CartesianStencilAccelerator<vobj,cobj,Parameters> &refer_to_me,ViewMode _mode)
: CartesianStencilAccelerator<vobj,cobj,Parameters>(refer_to_me),
cpu_ptr(this->_entries_p),
mode(_mode)
{
this->_entries_p =(StencilEntry *)
MemoryManager::ViewOpen(this->_entries_p,
this->_npoints*this->_osites*sizeof(StencilEntry),
mode,
AdviseDefault);
}
#endif
this->_npoints*this->_osites*sizeof(StencilEntry),
mode,
AdviseDefault);
}
void ViewClose(void)
{
MemoryManager::ViewClose(this->cpu_ptr,this->mode);
}
};