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Diffstat (limited to 'external/clBLAS/src/samples/example_chemm.cpp')
| -rw-r--r-- | external/clBLAS/src/samples/example_chemm.cpp | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/external/clBLAS/src/samples/example_chemm.cpp b/external/clBLAS/src/samples/example_chemm.cpp deleted file mode 100644 index c222ed42..00000000 --- a/external/clBLAS/src/samples/example_chemm.cpp +++ /dev/null @@ -1,178 +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; - -#define M 4 -#define N 3 - -static const cl_float2 alpha = {{10, 10}}; - -static const clblasSide side = clblasLeft; -static const clblasUplo uplo = clblasLower; -static const cl_float2 A[M*M] = { - {{11, 12}}, {{-1, -1}}, {{-1, -1}}, {{-1, -1}}, - {{21, 22}}, {{22, 23}}, {{-1, -1}}, {{-1, -1}}, - {{31, 32}}, {{32, 33}}, {{33, 34}}, {{-1, -1}}, - {{41, 61}}, {{42, 62}}, {{43, 73}}, {{44, 23}} -}; -static const size_t lda = M; - -static const cl_float2 B[M*N] = { - {{11, -21}}, {{-12, 23}}, {{13, 33}}, - {{21, 12}}, {{22, -10}}, {{23, 5}}, - {{31, 1}}, {{-32, 65}}, {{33, -1}}, - {{1, 41}}, {{-33, 42}}, {{12, 43}}, -}; -static const size_t ldb = N; - -static const cl_float2 beta = {{20, 20}}; - -static cl_float2 C[M*N] = { - {{11, 11}}, {{-12, 12}}, {{13, 33}}, - {{21, -32}}, {{22, -1}}, {{23, 0}}, - {{31, 13}}, {{-32, 78}}, {{33, 45}}, - {{41, 14}}, {{0, 42}}, {{43, -1}}, -}; -static const size_t ldc = N; - -static void -printResult(void) -{ - size_t i, j, nrows; - - printf("Result:\n"); - - nrows = (sizeof(C) / sizeof(cl_float2)) / ldc; - for (i = 0; i < nrows; i++) { - for (j = 0; j < ldc; j++) { - printf("<%9.2f, %-9.2f> ", CREAL(C[i * ldc + j]), CIMAG(C[i*ldc + 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, bufB, 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, M * M * sizeof(*A), - NULL, &err); - bufB = clCreateBuffer(ctx, CL_MEM_READ_ONLY, M * N * sizeof(*B), - NULL, &err); - bufC = clCreateBuffer(ctx, CL_MEM_READ_WRITE, M * N * sizeof(*C), - NULL, &err); - - err = clEnqueueWriteBuffer(queue, bufA, CL_TRUE, 0, - M * M * sizeof(*A), A, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufB, CL_TRUE, 0, - M * N * sizeof(*B), B, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufC, CL_TRUE, 0, - M * N * sizeof(*C), C, 0, NULL, NULL); - - /* Call clblas function. */ - err = clblasChemm(order, side, uplo, M, N, alpha, bufA, - 0, lda, bufB, 0, ldb, beta, bufC, 0, ldc, 1, &queue, - 0, NULL, &event); - if (err != CL_SUCCESS) { - printf("clblasSsymm() 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, M * N * sizeof(*C), - C, 0, NULL, NULL); - - /* At this point you will get the result of SYMM placed in C array. */ - printResult(); - } - - /* Release OpenCL memory objects. */ - clReleaseMemObject(bufC); - clReleaseMemObject(bufB); - clReleaseMemObject(bufA); - - /* Finalize work with clblas. */ - clblasTeardown(); - - /* Release OpenCL working objects. */ - clReleaseCommandQueue(queue); - clReleaseContext(ctx); - - return ret; -} |