Method clblasPerfSingle

src/tests/performance/perf-her2k.cpp:260–335

template <typename ElemType> nano_time_t
Her2kPerformanceTest<ElemType>::clblasPerfSingle(void)
{
    nano_time_t time;
    cl_event event;
    cl_int status;
    cl_command_queue queue = base_->commandQueues()[0];

    status = clEnqueueWriteBuffer(queue, mobjC_, CL_TRUE, 0,
                                  params_.rowsC * params_.columnsC *
                                  sizeof(ElemType), backC_, 0, NULL, &event);
    if (status != CL_SUCCESS) {
        cerr << "Matrix C buffer object enqueuing error, status = " <<
                 status << endl;

        return NANOTIME_ERR;
    }

    status = clWaitForEvents(1, &event);
    if (status != CL_SUCCESS) {
        cout << "Wait on event failed, status = " <<
                status << endl;

        return NANOTIME_ERR;
    }

    event = NULL;

    #define TIMING
    #ifdef TIMING
    clFinish( queue);
    time = getCurrentTime();

    int iter = 20;
    for ( int i = 1; i <= iter; i++)
    {
    #endif

    status = (cl_int)clMath::clblas::her2k(params_.order, params_.uplo, params_.transA, params_.N, params_.K, alpha_,
                        mobjA_, params_.offA, params_.lda, mobjB_, params_.offBX, params_.ldb, CREAL(beta_), mobjC_,
                        params_.offCY, params_.ldc, 1, &queue, 0, NULL, &event);
    if (status != CL_SUCCESS) {
        cerr << "The CLBLAS HER2K function failed, status = " <<
                status << endl;

        return NANOTIME_ERR;
    }

    #ifdef TIMING
    } // iter loop
    clFinish( queue);
    time = getCurrentTime() - time;
    time /= iter;
    #else

    status = flushAll(1, &queue);
    if (status != CL_SUCCESS) {
        cerr << "clFlush() failed, status = " << status << endl;