Method raw_dev_malloc

src/core/test/mem_alloc.cpp:520–522

        MGB_CUDA_CHECK(cudaMemGetInfo(&free, &tot));
    }
    void raw_dev_malloc(void** ptr, size_t size) override {
        MGB_CUDA_CHECK(cudaMalloc(ptr, size));
    }
    void raw_dev_free(void* ptr) override { MGB_CUDA_CHECK(cudaFree(ptr)); }
};
#endif