Method alloc

dnn/src/cambricon/handle.cpp:60–73

HandleImpl::~HandleImpl() noexcept = default;

void* HandleImpl::alloc(size_t size) {
    auto mem_mgr = megcore_context().mem_mgr;
    if (size <= 0) {
        return nullptr;
    }
    if (mem_mgr) {
        return mem_mgr->alloc(size);
    } else {
        void* ptr = nullptr;
        cnrt_check(cnrtSetDevice(device_id()));
        cnrt_check(cnrtMalloc(&ptr, size));
        return ptr;
    }
}

void HandleImpl::free(void* ptr) {
    auto mem_mgr = megcore_context().mem_mgr;