http://eeodl.blogspot.com/2009/04/benchmark-of-memory-allocators.html
I wrote this code last year to check a performance of a couple of memory allocators,
걍 회사 하드에 있던 거 백업용으로 여기다가도 올려놓음.
It just is on office computer, so I post it to remember.
리마인드 시켜준 경만옹께 감사를.
Thanks NomoreID for reminding this.
주의 : 이 코드는 예외 처리가 매우 간단하게 되어 있으므로 가져다쓰실 분은 잘 고쳐서 쓰시기 바랍니다.
Note : You'd better enhance an exception handling if you take this code, because its exception handling is too simple.
#includeclass ActorHeap : public ActorInterface { public: ActorHeap() : initial_size_(0), use_lfh_(0), heap_(0) {;} ActorHeap(size_t initial_size, bool use_lfh) : initial_size_(initial_size), use_lfh_(use_lfh), heap_(0) {;} ~ActorHeap() { if (IsValid() == false) return; HeapDestroy(heap_); } void Init() { heap_ = HeapCreate(HEAP_CREATE_ENABLE_EXECUTE, initial_size_, 0); if (!heap_) { printf("HeapCreate failed. (%d)\n", GetLastError()); return; } if (use_lfh_) { ULONG HeapFragValue = 2; // enable low fragmentation heap if (!HeapSetInformation(heap_, HeapCompatibilityInformation, &HeapFragValue, sizeof(HeapFragValue))) { printf("LFG initialization failed. (%d)\n", GetLastError()); } } } void* Alloc(size_t size) { if (IsValid() == false) return NULL; void* block = (void*)HeapAlloc(heap_, HEAP_ZERO_MEMORY, size); return block; } void Free(void* block) { if (IsValid() == false) return; BOOL result = HeapFree(heap_, 0, block); if (!result) { printf("HeapFree failed.\n"); } } bool IsValid() { return heap_ != NULL; } private: size_t initial_size_; bool use_lfh_; HANDLE heap_; };
