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Code Releases Activity

Remove commAllocator; make more simple; option to switch off the pointer caceh

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This commit is contained in:
paboyle
2018-01-25 23:33:57 +00:00
parent a3e3034e6f
commit c844cfcda8
2 changed files with 29 additions and 6 deletions
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3
lib/allocator/AlignedAllocator.cc
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@@ -6,6 +6,7 @@ NAMESPACE_BEGIN(Grid);
MemoryStats *MemoryProfiler::stats = nullptr;
bool MemoryProfiler::debug = false;
#ifdef POINTER_CACHE
int PointerCache::victim;
PointerCache::PointerCacheEntry PointerCache::Entries[PointerCache::Ncache];
@@ -63,7 +64,7 @@ void *PointerCache::Lookup(size_t bytes) {
}
return NULL;
}
#endif
void check_huge_pages(void *Buf,uint64_t BYTES)
{

32
lib/allocator/AlignedAllocator.h
View File

@@ -40,8 +40,12 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
#include <mm_malloc.h>
#endif
NAMESPACE_BEGIN(Grid);
// Move control to configure.ac and Config.h?
#undef POINTER_CACHE
#ifdef POINTER_CACHE
class PointerCache {
private:
@@ -63,7 +67,8 @@ public:
static void *Lookup(size_t bytes) ;
};
#endif
std::string sizeString(size_t bytes);
struct MemoryStats
@@ -152,7 +157,12 @@ public:
size_type bytes = __n*sizeof(_Tp);
profilerAllocate(bytes);
#ifdef POINTER_CACHE
_Tp *ptr = (_Tp *) PointerCache::Lookup(bytes);
#else
pointer ptr = nullptr;
#endif
// if ( ptr != NULL )
// std::cout << "alignedAllocator "<<__n << " cache hit "<< std::hex << ptr <<std::dec <<std::endl;
@@ -166,7 +176,8 @@ public:
#else
if ( ptr == (_Tp *) NULL ) ptr = (_Tp *) memalign(GRID_ALLOC_ALIGN,bytes);
#endif
// std::cout << "alignedAllocator " << std::hex << ptr <<std::dec <<std::endl;
// std::cout << "alignedAllocator allocate " << std::hex << ptr <<std::dec <<std::endl;
// First touch optimise in threaded loop
uint8_t *cp = (uint8_t *)ptr;
thread_loop( (size_type n=0;n<bytes;n+=4096) , {
@@ -180,8 +191,14 @@ public:
profilerFree(bytes);
#ifdef POINTER_CACHE
pointer __freeme = (pointer)PointerCache::Insert((void *)__p,bytes);
#else
pointer __freeme = __p;
#endif
// if ( __freeme ) {
// std::cout << "alignedAllocator free:" << std::hex << __p <<std::dec <<std::endl;
// }
#ifdef HAVE_MM_MALLOC_H
if ( __freeme ) _mm_free((void *)__freeme);
#else
@@ -195,6 +212,8 @@ public:
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; }
// Deprecate shmem and comm allocator
//////////////////////////////////////////////////////////////////////////////////////////
// MPI3 : comms must use shm region
// SHMEM: comms must use symmetric heap
@@ -208,6 +227,7 @@ extern "C" {
#define PARANOID_SYMMETRIC_HEAP
#endif
#if 0
template<typename _Tp>
class commAllocator {
public:
@@ -297,14 +317,16 @@ public:
};
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; }
#endif
////////////////////////////////////////////////////////////////////////////////
// Template typedefs
////////////////////////////////////////////////////////////////////////////////
template<class T> using commAllocator = alignedAllocator<T>;
template<class T> using Vector = std::vector<T,alignedAllocator<T> >;
template<class T> using commVector = std::vector<T,commAllocator<T> >;
template<class T> using commVector = std::vector<T,alignedAllocator<T> >;
template<class T> using Matrix = std::vector<std::vector<T,alignedAllocator<T> > >;
NAMESPACE_END(Grid);
#endif