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Diffstat (limited to 'external/clBLAS/src/samples/example_chbmv.c')
| -rw-r--r-- | external/clBLAS/src/samples/example_chbmv.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/external/clBLAS/src/samples/example_chbmv.c b/external/clBLAS/src/samples/example_chbmv.c deleted file mode 100644 index 0b2aec3c..00000000 --- a/external/clBLAS/src/samples/example_chbmv.c +++ /dev/null @@ -1,171 +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 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 clblasUplo uplo = clblasUpper; -static const size_t N = 5; -static const size_t K = 2; - -static const cl_float2 alpha = {{10,10}}; -static const cl_float2 A[] = { - {{ 4.0, 4.0}}, {{ 7.0, 7.0}}, {{11.0, 11.0}}, - {{ 5.0, 5.0}}, {{ 8.0, 8.0}}, {{12.0, 12.0}}, - {{ 6.0, 6.0}}, {{ 9.0, 9.0}}, {{13.0, 13.0}}, - {{10.0, 10.0}}, {{14.0, 14.0}}, {{00.0, 00.0}}, - {{15.0, 15.0}}, {{00.0, 00.0}}, {{00.0, 00.0}} -}; -static const size_t lda = 3; // lda = K + 1 - -static const cl_float2 X[] = { - {{1.0, 0.0}}, - {{2.0, 0.0}}, - {{3.0, 0.0}}, - {{4.0, 0.0}}, - {{5.0, 0.0}} -}; -static const int incx = 1; - -static const cl_float2 beta = {{20.0, 20.0}}; -static cl_float2 Y[] = { - {{1.0, 0.0}}, - {{2.0, 0.0}}, - {{3.0, 0.0}}, - {{4.0, 0.0}}, - {{5.0, 0.0}} -}; -static const int incy = 1; - -static void -printResult(void) -{ - size_t i; - - printf("Result:\n"); - - for (i = 0; i < N; i++) { - printf("(%9.2f, %-9.2f)\n", CREAL(Y[i * incy]), CIMAG(Y[i * incy])); - } -} - -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_ONLY, N * lda * sizeof(cl_float2), - NULL, &err); - bufX = clCreateBuffer(ctx, CL_MEM_READ_ONLY, N * sizeof(cl_float2), - NULL, &err); - bufY = clCreateBuffer(ctx, CL_MEM_READ_WRITE, N * sizeof(cl_float2), - NULL, &err); - - err = clEnqueueWriteBuffer(queue, bufA, CL_TRUE, 0, - N * lda * sizeof(cl_float2), A, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufX, CL_TRUE, 0, - N * sizeof(cl_float2), X, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufY, CL_TRUE, 0, - N * sizeof(cl_float2), Y, 0, NULL, NULL); - - /* Call clblas function. */ - err = clblasChbmv(order, uplo, N, K, alpha, bufA, 0 /*offA */, lda, - bufX, 0 /*offx*/, incx, beta, bufY, 0 /*offx*/, incy, 1, &queue, 0, NULL, &event); - - - if (err != CL_SUCCESS) { - printf("clblasChbmv() failed with %d\n", err); - ret = 1; - } - else { - /* Wait for calculations to be finished. */ - err = clWaitForEvents(1, &event); - printResult(); - /* Fetch results of calculations from GPU memory. */ - err = clEnqueueReadBuffer(queue, bufY, CL_TRUE, 0, N * sizeof(cl_float2), - Y, 0, NULL, NULL); - /* At this point you will get the result of CHBMV placed in Y 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; -} |