diff options
Diffstat (limited to 'external/clBLAS/src/samples/example_srotg.c')
-rw-r--r-- | external/clBLAS/src/samples/example_srotg.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/external/clBLAS/src/samples/example_srotg.c b/external/clBLAS/src/samples/example_srotg.c deleted file mode 100644 index 555b1321..00000000 --- a/external/clBLAS/src/samples/example_srotg.c +++ /dev/null @@ -1,137 +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 cl_float SA = 11; -static cl_float SB = 21; -static cl_float C = 0.2; -static cl_float S = 0.5; - -static void -printResult(void) -{ - printf("\nResult:\n"); - printf("SA: %f\tSB: %f\t C: %f\tS: %f\n", SA, SB, C, S); -} - -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 bufSA, bufSB, bufC, bufS; - 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. */ - bufSA = clCreateBuffer(ctx, CL_MEM_READ_WRITE, sizeof(cl_float), NULL, &err); - bufSB = clCreateBuffer(ctx, CL_MEM_READ_WRITE, sizeof(cl_float), NULL, &err); - bufC = clCreateBuffer(ctx, CL_MEM_READ_WRITE, sizeof(cl_float), NULL, &err); - bufS = clCreateBuffer(ctx, CL_MEM_READ_WRITE, sizeof(cl_float), NULL, &err); - - err = clEnqueueWriteBuffer(queue, bufSA, CL_TRUE, 0, sizeof(cl_float), &SA, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufSB, CL_TRUE, 0, sizeof(cl_float), &SB, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufC, CL_TRUE, 0, sizeof(cl_float), &C, 0, NULL, NULL); - err = clEnqueueWriteBuffer(queue, bufS, CL_TRUE, 0, sizeof(cl_float), &S, 0, NULL, NULL); - - - /* Call clblas function. */ - err = clblasSrotg(bufSA, 0, bufSB, 0, bufC, 0, bufS, 0, 1, &queue, 0, NULL, &event); - if (err != CL_SUCCESS) { - printf("clblasSrotg() 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, bufSA, CL_TRUE, 0, sizeof(cl_float), &SA, 0, NULL, NULL); - err = clEnqueueReadBuffer(queue, bufSB, CL_TRUE, 0, sizeof(cl_float), &SB, 0, NULL, NULL); - err = clEnqueueReadBuffer(queue, bufC, CL_TRUE, 0, sizeof(cl_float), &C, 0, NULL, NULL); - err = clEnqueueReadBuffer(queue, bufS, CL_TRUE, 0, sizeof(cl_float), &S, 0, NULL, NULL); - - /* At this point you will get the result of SROTG placed in vector Y. */ - printResult(); - } - - /* Release OpenCL memory objects. */ - clReleaseMemObject(bufSA); - clReleaseMemObject(bufSB); - clReleaseMemObject(bufC); - clReleaseMemObject(bufS); - - /* Finalize work with clblas. */ - clblasTeardown(); - - /* Release OpenCL working objects. */ - clReleaseCommandQueue(queue); - clReleaseContext(ctx); - - return ret; -} |