C++ (Cpp) starpu_malloc_set_align 예제들

예제 #1

파일: driver_opencl.c 프로젝트: joao-lima/starpu-1.2.0rc2

int _starpu_opencl_init_context(int devid)
{
#ifdef STARPU_SIMGRID
	int j;
	for (j = 0; j < STARPU_MAX_PIPELINE; j++)
	{
		task_finished[devid][j] = 0;
		STARPU_PTHREAD_MUTEX_INIT(&task_mutex[devid][j], NULL);
		STARPU_PTHREAD_COND_INIT(&task_cond[devid][j], NULL);
	}
#else /* !STARPU_SIMGRID */
	cl_int err;
	cl_uint uint;

	STARPU_PTHREAD_MUTEX_LOCK(&big_lock);

        _STARPU_DEBUG("Initialising context for dev %d\n", devid);

        // Create a compute context
	err = 0;
        contexts[devid] = clCreateContext(NULL, 1, &devices[devid], NULL, NULL, &err);
        if (STARPU_UNLIKELY(err != CL_SUCCESS)) STARPU_OPENCL_REPORT_ERROR(err);

        err = clGetDeviceInfo(devices[devid], CL_DEVICE_MEM_BASE_ADDR_ALIGN, sizeof(uint), &uint, NULL);
	if (STARPU_UNLIKELY(err != CL_SUCCESS))
		STARPU_OPENCL_REPORT_ERROR(err);
	starpu_malloc_set_align(uint/8);

        // Create execution queue for the given device
        queues[devid] = clCreateCommandQueue(contexts[devid], devices[devid], 0, &err);
        if (STARPU_UNLIKELY(err != CL_SUCCESS)) STARPU_OPENCL_REPORT_ERROR(err);

        // Create transfer queue for the given device
        cl_command_queue_properties props;
        err = clGetDeviceInfo(devices[devid], CL_DEVICE_QUEUE_PROPERTIES, sizeof(props), &props, NULL);
	if (STARPU_UNLIKELY(err != CL_SUCCESS))
		STARPU_OPENCL_REPORT_ERROR(err);
        props &= ~CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE;
        in_transfer_queues[devid] = clCreateCommandQueue(contexts[devid], devices[devid], props, &err);
        if (STARPU_UNLIKELY(err != CL_SUCCESS)) STARPU_OPENCL_REPORT_ERROR(err);
        out_transfer_queues[devid] = clCreateCommandQueue(contexts[devid], devices[devid], props, &err);
        if (STARPU_UNLIKELY(err != CL_SUCCESS)) STARPU_OPENCL_REPORT_ERROR(err);
        peer_transfer_queues[devid] = clCreateCommandQueue(contexts[devid], devices[devid], props, &err);
        if (STARPU_UNLIKELY(err != CL_SUCCESS)) STARPU_OPENCL_REPORT_ERROR(err);

        alloc_queues[devid] = clCreateCommandQueue(contexts[devid], devices[devid], 0, &err);
        if (STARPU_UNLIKELY(err != CL_SUCCESS)) STARPU_OPENCL_REPORT_ERROR(err);

	STARPU_PTHREAD_MUTEX_UNLOCK(&big_lock);
#endif /* !STARPU_SIMGRID */
	return 0;
}

예제 #2

파일: disk_unistd_o_direct.c 프로젝트: excess-project/starpu-ex-1.2.0rc5

/* create a new copy of parameter == base */
static void *starpu_unistd_o_direct_plug(void *parameter, starpu_ssize_t size)
{
	starpu_malloc_set_align(getpagesize());

	return starpu_unistd_global_plug (parameter, size);
}