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Diffstat (limited to 'external/clBLAS/src/samples/example_sger.c')
-rw-r--r-- | external/clBLAS/src/samples/example_sger.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/external/clBLAS/src/samples/example_sger.c b/external/clBLAS/src/samples/example_sger.c deleted file mode 100644 index 84ca3bae..00000000 --- a/external/clBLAS/src/samples/example_sger.c +++ /dev/null @@ -1,174 +0,0 @@ -/* ************************************************************************ - * Copyright 2013 Advanced Micro Devices, Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ************************************************************************/ - -#include <sys/types.h> -#include <stdio.h> -#include <string.h> -#include <math.h> - -/* Include CLBLAS header. It automatically includes needed OpenCL header, - * so we can drop out explicit inclusion of cl.h header. - */ -#include <clBLAS.h> - -/* This example uses predefined matrices and their characteristics for - * simplicity purpose. - */ -static const clblasOrder order = clblasRowMajor; - -static const size_t M = 5; -static const size_t N = 5; -static const cl_float alpha = 10; - -static cl_float A[] = { - 11, 12, 13, 14, 15, - 21, 22, 23, 24, 25, - 31, 32, 33, 34, 35, - 41, 42, 43, 44, 45, - 81, 22, 33, 14, 75 -}; -static const size_t lda = 5; /* i.e. lda = N */ - -static const cl_float X[] = { - 11, - 21, - 31, - 41, - 51, - 91, -}; -static const int incx = 1; - -static const cl_float Y[] = { - 45, - 23, - 39, - 45, - 50, - 10, -}; -static const int incy = 1; - - -static void -printResult(void) -{ - size_t i, j; - printf("\nResult:\n"); - - for (i = 0; i < M; i++) { - for(j = 0; j < N; j++) - printf("\t%f", A[ i*N + j ]); - printf("\n"); - } -} - -int -main(void) -{ - cl_int err; - cl_platform_id platform = 0; - cl_device_id device = 0; - cl_context_properties props[3] = { CL_CONTEXT_PLATFORM, 0, 0 }; - cl_context ctx = 0; - cl_command_queue queue = 0; - cl_mem bufA, bufX, bufY; - cl_event event = NULL; - int ret = 0; - - /* Setup OpenCL environment. */ - err = clGetPlatformIDs(1, &platform, NULL); - if (err != CL_SUCCESS) { - printf( "clGetPlatformIDs() failed with %d\n", err ); - return 1; - } - - err = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 1, &device, NULL); - if (err != CL_SUCCESS) { - printf( "clGetDeviceIDs() failed with %d\n", err ); - return 1; - } - - props[1] = (cl_context_properties)platform; - ctx = clCreateContext(props, 1, &device, NULL, NULL, &err); - if (err != CL_SUCCESS) { - printf( "clCreateContext() failed with %d\n", err ); - return 1; - } - - queue = clCreateCommandQueue(ctx, device, 0, &err); - if (err != CL_SUCCESS) { - printf( "clCreateCommandQueue() failed with %d\n", err ); - clReleaseContext(ctx); - return 1; - } - - /* Setup clblas. */ - err = clblasSetup(); - if (err != CL_SUCCESS) { - printf("clblasSetup() failed with %d\n", err); - clReleaseCommandQueue(queue); - clReleaseContext(ctx); - return 1; - } - - /* Prepare OpenCL memory objects and place matrices inside them. */ - bufA = clCreateBuffer(ctx, CL_MEM_READ_WRITE, M * lda * sizeof(cl_float), - NULL, &err); - bufX = clCreateBuffer(ctx, CL_MEM_READ_ONLY, ( 1 + ( M - 1 )*abs( incx ) ) * sizeof(cl_float), - NULL, &err); - bufY = clCreateBuffer(ctx, CL_MEM_READ_ONLY, ( 1 + ( N - 1 )*abs( incy ) ) * sizeof(cl_float), - NULL, &err); - - err = clEnqueueWriteBuffer(queue, bufA, CL_TRUE, 0, - M * lda * sizeof(cl_float), A, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufX, CL_TRUE, 0, - ( 1 + ( M - 1 )*abs( incx ) ) * sizeof(cl_float), X, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufY, CL_TRUE, 0, - ( 1 + ( N - 1 )*abs( incy ) ) * sizeof(cl_float), Y, 0, NULL, NULL); - - /* Call clblas function. */ - err = clblasSger(order, M, N, alpha, bufX, 0, incx, bufY, 0, incy, - bufA, 0, lda, 1, &queue, 0, NULL, &event); - if (err != CL_SUCCESS) { - printf("clblasSger() failed with %d\n", err); - ret = 1; - } - else { - /* Wait for calculations to be finished. */ - err = clWaitForEvents(1, &event); - - /* Fetch results of calculations from GPU memory. */ - err = clEnqueueReadBuffer(queue, bufA, CL_TRUE, 0, (M * lda * sizeof(cl_float)), - A, 0, NULL, NULL); - /* At this point you will get the result of SGER placed in A array. */ - printResult(); - } - - /* Release OpenCL memory objects. */ - clReleaseMemObject(bufY); - clReleaseMemObject(bufX); - clReleaseMemObject(bufA); - - /* Finalize work with clblas. */ - clblasTeardown(); - - /* Release OpenCL working objects. */ - clReleaseCommandQueue(queue); - clReleaseContext(ctx); - - return ret; -} |