Method to_device_async

include/base/memory.h:155–162

Copy the memory space to GPU (asynchronous) */

    /** Copy the memory space to GPU (asynchronous) */
    void to_device_async(Index copy_count = 0) {
        if (count && device_id != -1) {
            if (!copy_count)
                copy_count = count;
            CUDA_CHECK(cudaSetDevice(device_id));
            CUDA_CHECK(cudaMemcpyAsync(device_ptr, host_ptr, copy_count * sizeof(Data), cudaMemcpyHostToDevice, stream));
        }
    }

    /** Copy the memory space back from GPU */
    void to_host(Index copy_count = 0) {