summaryrefslogtreecommitdiff
path: root/external/clBLAS/src/samples/example_cherk.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'external/clBLAS/src/samples/example_cherk.cpp')
-rw-r--r--external/clBLAS/src/samples/example_cherk.cpp184
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;
-}