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Diffstat (limited to 'external/clBLAS/src/samples/example_cherk.cpp')
-rw-r--r-- | external/clBLAS/src/samples/example_cherk.cpp | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/external/clBLAS/src/samples/example_cherk.cpp b/external/clBLAS/src/samples/example_cherk.cpp deleted file mode 100644 index 771a4439..00000000 --- a/external/clBLAS/src/samples/example_cherk.cpp +++ /dev/null @@ -1,184 +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 = clblasColumnMajor; -static const clblasUplo uplo = clblasLower; -static const clblasTranspose transA = clblasNoTrans; - -static const size_t N = 5; -static const size_t K = 4; - -static const cl_float alpha = 10; - -static const cl_float2 A[] = { - - - {{1, 0}}, {{1, 0}}, {{1, 0}}, {{1, 0}}, - {{1, 0}}, {{1, 0}}, {{1, 0}}, {{1, 0}}, - {{1, 0}}, {{1, 0}}, {{1, 0}}, {{1, 0}}, - {{1, 0}}, {{1, 0}}, {{1, 0}}, {{1, 0}}, - {{1, 0}}, {{1, 0}}, {{1, 0}}, {{1, 0}} - - /* - {{11, 0}}, {{12, 0}}, {{13, 0}}, {{14, 0}}, - {{21, 0}}, {{22, 0}}, {{23, 0}}, {{24, 0}}, - {{31, 0}}, {{32, 0}}, {{33, 0}}, {{34, 0}}, - {{41, 0}}, {{42, 0}}, {{43, 0}}, {{44, 0}}, - {{51, 0}}, {{52, 0}}, {{53, 0}}, {{54, 0}} - */ -}; -static const size_t lda = 5; /* i.e. lda = K */ - -static const cl_float beta = 1; - -static cl_float2 C[] = { - {{11, 1}}, {{12, 0}}, {{13, 0}}, {{14, 0}}, {{15, 0}}, - {{ 0, 0}}, {{22, 2}}, {{23, 0}}, {{24, 0}}, {{25, 0}}, - {{ 0, 0}}, {{ 0, 0}}, {{33, 4}}, {{34, 0}}, {{35, 0}}, - {{ 0, 0}}, {{ 0, 0}}, {{ 0, 0}}, {{44, 5}}, {{45, 0}}, - {{ 0, 0}}, {{ 0, 0}}, {{ 0, 0}}, {{ 0, 0}}, {{55, 6}} -}; -static const size_t ldc = 5; /* i.e. ldc = N */ - -static void -printResult(void) -{ - size_t i, j; - - printf("Result:\n"); - - for (i = 0; i < N; i++) { - for (j = 0; j < N; j++) { - printf("(%9.2f, %-9.2f) ", CREAL(C[i + j * ldc]), CIMAG(C[i + j * ldc])); - } - 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, bufC; - 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 * K * sizeof(*A), - NULL, &err); - bufC = clCreateBuffer(ctx, CL_MEM_READ_WRITE, N * N * sizeof(*C), - NULL, &err); - - if ((bufA == NULL) || (bufC == NULL)) - { - printf("Failed to create buffern"); - return 1; - } - err = clEnqueueWriteBuffer(queue, bufA, CL_TRUE, 0, - N * K * sizeof(*A), A, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufC, CL_TRUE, 0, - N * N * sizeof(*C), C, 0, NULL, NULL); - -// printResult(); - - /* Call clblas function. */ - err = clblasCherk(order, uplo, transA, N, K, - alpha, bufA, 0, lda, beta, bufC, 0, ldc, - 1, &queue, 0, NULL, &event); - - if (err != CL_SUCCESS) { - printf("clblasCherk() 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, bufC, CL_TRUE, 0, N * N * sizeof(*C), - C, 0, NULL, NULL); - - /* At this point you will get the result of SSYRK placed in C array. */ - printResult(); - } - - /* Release OpenCL memory objects. */ - clReleaseMemObject(bufC); - clReleaseMemObject(bufA); - - /* Finalize work with clblas. */ - clblasTeardown(); - - /* Release OpenCL working objects. */ - clReleaseCommandQueue(queue); - clReleaseContext(ctx); - - return ret; -} |