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Diffstat (limited to 'external/clBLAS/src/samples/example_zhpr2.c')
| -rw-r--r-- | external/clBLAS/src/samples/example_zhpr2.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/external/clBLAS/src/samples/example_zhpr2.c b/external/clBLAS/src/samples/example_zhpr2.c deleted file mode 100644 index 6224cbde..00000000 --- a/external/clBLAS/src/samples/example_zhpr2.c +++ /dev/null @@ -1,179 +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 size_t N = 5; -static cl_double2 alpha = {{10.0f, 2.0f}}; -static const clblasUplo uplo = clblasUpper; - -static cl_double2 AP[] = { - {{11.0f, 00.0f}}, {{12.0f, 02.0f}}, {{13.0f, 05.0f}}, {{14.0f, 12.0f}}, {{15.0f, 06.0f}}, - {{22.0f, 00.0f}}, {{23.0f, 25.0f}}, {{24.0f, 23.0f}}, {{25.0f, 61.0f}}, - {{33.0f, 00.0f}}, {{34.0f, 23.0f}}, {{35.0f, 21.0f}}, - {{44.0f, 00.0f}}, {{45.0f, 23.0f}}, - {{55.0f, 00.0f}} -}; - -static const cl_double2 X[] = { - {{11.0f, 03.0f}}, - {{01.0f, 15.0f}}, - {{30.0f, 20.0f}}, - {{01.0f, 02.0f}}, - {{11.0f, 10.0f}} -}; -static const int incx = 1; - -static const cl_double2 Y[] = { - {{11.0f, 03.0f}}, - {{03.0f, 05.0f}}, - {{09.0f, 00.0f}}, - {{01.0f, 02.0f}}, - {{11.0f, 00.0f}} -}; -static const int incy = 1; - -static void -printResult(void) -{ - size_t i, j, off; - printf("\nResult:\n"); - - off = 0; - for (i = 0; i < N; i++) { - for(j = 0; j < N; j++) { - if( ( (uplo == clblasUpper) && (i > j)) || ((uplo == clblasLower) && (j > i)) ) - { - printf("\t\t\t"); - continue; - } - - printf("(%9.2lf, %-9.2lf)\t", CREAL( AP[ off ] ), CIMAG( AP[ off ] )); - off ++ ; - } - 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 bufAP, bufX, bufY; - cl_event event = NULL; - int ret = 0, numElementsAP; - - /* 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; - } - - numElementsAP = (N * (N+1)) / 2; // To get number of elements in a packed matrix - /* Prepare OpenCL memory objects and place matrices inside them. */ - bufAP = clCreateBuffer(ctx, CL_MEM_READ_WRITE, (numElementsAP * sizeof(cl_double2)), - NULL, &err); - bufX = clCreateBuffer(ctx, CL_MEM_READ_ONLY, N * sizeof(cl_double2), - NULL, &err); - bufY = clCreateBuffer(ctx, CL_MEM_READ_ONLY, N * sizeof(cl_double2), - NULL, &err); - - err = clEnqueueWriteBuffer(queue, bufAP, CL_TRUE, 0, - numElementsAP * sizeof(cl_double2), AP, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufX, CL_TRUE, 0, - N * sizeof(cl_double2), X, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufY, CL_TRUE, 0, - N * sizeof(cl_double2), Y, 0, NULL, NULL); - - err = clblasZhpr2(order, uplo, N, alpha, bufX, 0 /*offx */, incx, bufY, 0 /*offy*/, incy, - bufAP, 0 /*offa */, 1, &queue, 0, NULL, &event); - - if (err != CL_SUCCESS) { - printf("clblasZhpr2() 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, bufAP, CL_TRUE, 0, (numElementsAP * sizeof(cl_double2)), - AP, 0, NULL, NULL); - /* At this point you will get the result of ZHPR2 placed in A array. */ - printResult(); - } - - - /* Release OpenCL memory objects. */ - clReleaseMemObject(bufX); - clReleaseMemObject(bufAP); - clReleaseMemObject(bufY); - - /* Finalize work with clblas. */ - clblasTeardown(); - - /* Release OpenCL working objects. */ - clReleaseCommandQueue(queue); - clReleaseContext(ctx); - - return ret; -} |