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SHMEM and comms allocator made different

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This commit is contained in:
paboyle 2016-10-20 16:56:05 +01:00
parent 3cbe974eb4
commit 8c043da5b7
1 changed files with 88 additions and 42 deletions
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130
lib/AlignedAllocator.h
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@ -40,14 +40,6 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
#include <mm_malloc.h>
#endif
#ifdef GRID_COMMS_SHMEM
extern "C" {
#include <mpp/shmem.h>
extern void * shmem_align(size_t, size_t);
extern void shmem_free(void *);
}
#endif
namespace Grid {
////////////////////////////////////////////////////////////////////
@ -65,28 +57,81 @@ public:
typedef _Tp value_type;
template<typename _Tp1> struct rebind { typedef alignedAllocator<_Tp1> other; };
alignedAllocator() throw() { }
alignedAllocator(const alignedAllocator&) throw() { }
template<typename _Tp1> alignedAllocator(const alignedAllocator<_Tp1>&) throw() { }
~alignedAllocator() throw() { }
pointer address(reference __x) const { return &__x; }
// const_pointer address(const_reference __x) const { return &__x; }
size_type max_size() const throw() { return size_t(-1) / sizeof(_Tp); }
pointer allocate(size_type __n, const void* _p= 0)
{
#ifdef HAVE_MM_MALLOC_H
_Tp * ptr = (_Tp *) _mm_malloc(__n*sizeof(_Tp),128);
#else
_Tp * ptr = (_Tp *) memalign(128,__n*sizeof(_Tp));
#endif
_Tp tmp;
#ifdef GRID_NUMA
#pragma omp parallel for schedule(static)
for(int i=0;i<__n;i++){
ptr[i]=tmp;
}
#endif
return ptr;
}
void deallocate(pointer __p, size_type) {
#ifdef HAVE_MM_MALLOC_H
_mm_free((void *)__p);
#else
free((void *)__p);
#endif
}
void construct(pointer __p, const _Tp& __val) { };
void construct(pointer __p) { };
void destroy(pointer __p) { };
};
template<typename _Tp> inline bool operator==(const alignedAllocator<_Tp>&, const alignedAllocator<_Tp>&){ return true; }
template<typename _Tp> inline bool operator!=(const alignedAllocator<_Tp>&, const alignedAllocator<_Tp>&){ return false; }
//////////////////////////////////////////////////////////////////////////////////////////
// MPI3 : comms must use shm region
// SHMEM: comms must use symmetric heap
//////////////////////////////////////////////////////////////////////////////////////////
#ifdef GRID_COMMS_SHMEM
_Tp *ptr = (_Tp *) shmem_align(__n*sizeof(_Tp),64);
extern "C" {
#include <mpp/shmem.h>
extern void * shmem_align(size_t, size_t);
extern void shmem_free(void *);
}
#define PARANOID_SYMMETRIC_HEAP
#endif
template<typename _Tp>
class commAllocator {
public:
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef _Tp* pointer;
typedef const _Tp* const_pointer;
typedef _Tp& reference;
typedef const _Tp& const_reference;
typedef _Tp value_type;
template<typename _Tp1> struct rebind { typedef commAllocator<_Tp1> other; };
commAllocator() throw() { }
commAllocator(const commAllocator&) throw() { }
template<typename _Tp1> commAllocator(const commAllocator<_Tp1>&) throw() { }
~commAllocator() throw() { }
pointer address(reference __x) const { return &__x; }
size_type max_size() const throw() { return size_t(-1) / sizeof(_Tp); }
#ifdef GRID_COMMS_SHMEM
pointer allocate(size_type __n, const void* _p= 0)
{
_Tp *ptr = (_Tp *) shmem_align(__n*sizeof(_Tp),64);
#ifdef PARANOID_SYMMETRIC_HEAP
static void * bcast;
static long psync[_SHMEM_REDUCE_SYNC_SIZE];
@ -99,51 +144,52 @@ public:
BACKTRACEFILE();
exit(0);
}
assert( bcast == (void *) ptr);
#endif
return ptr;
}
void deallocate(pointer __p, size_type) {
shmem_free((void *)__p);
}
#elif defined(GRID_COMMS_MPI3)
pointer allocate(size_type __n, const void* _p= 0)
{
#error "implement MPI3 windowed allocate"
}
void deallocate(pointer __p, size_type) {
#error "implement MPI3 windowed allocate"
}
#else
pointer allocate(size_type __n, const void* _p= 0)
#ifdef HAVE_MM_MALLOC_H
_Tp * ptr = (_Tp *) _mm_malloc(__n*sizeof(_Tp),128);
#else
_Tp * ptr = (_Tp *) memalign(128,__n*sizeof(_Tp));
#endif
#endif
_Tp tmp;
#ifdef GRID_NUMA
#pragma omp parallel for schedule(static)
for(int i=0;i<__n;i++){
ptr[i]=tmp;
}
#endif
return ptr;
}
void deallocate(pointer __p, size_type) {
#ifdef GRID_COMMS_SHMEM
shmem_free((void *)__p);
#else
#ifdef HAVE_MM_MALLOC_H
_mm_free((void *)__p);
#else
free((void *)__p);
#endif
#endif
}
#endif
void construct(pointer __p, const _Tp& __val) { };
void construct(pointer __p) { };
void destroy(pointer __p) { };
};
template<typename _Tp> inline bool operator==(const commAllocator<_Tp>&, const commAllocator<_Tp>&){ return true; }
template<typename _Tp> inline bool operator!=(const commAllocator<_Tp>&, const commAllocator<_Tp>&){ return false; }
template<typename _Tp> inline bool
operator==(const alignedAllocator<_Tp>&, const alignedAllocator<_Tp>&){ return true; }
template<typename _Tp> inline bool
operator!=(const alignedAllocator<_Tp>&, const alignedAllocator<_Tp>&){ return false; }
////////////////////////////////////////////////////////////////////////////////
// Template typedefs
////////////////////////////////////////////////////////////////////////////////
template<class T> using Vector = std::vector<T,alignedAllocator<T> >;
template<class T> using commVector = std::vector<T,commAllocator<T> >;
template<class T> using Matrix = std::vector<std::vector<T,alignedAllocator<T> > >;
}; // namespace Grid
#endif