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Function main

src/samples/example_strsv.c:63–158  ·  view source on GitHub ↗

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61}
62
63int
64main(void)
65{
66 cl_int err;
67 cl_platform_id platform = 0;
68 cl_device_id device = 0;
69 cl_context_properties props[3] = { CL_CONTEXT_PLATFORM, 0, 0 };
70 cl_context ctx = 0;
71 cl_command_queue queue = 0;
72 cl_mem bufA, bufX;
73 cl_event event = NULL;
74 int ret = 0;
75
76 /* Setup OpenCL environment. */
77 err = clGetPlatformIDs(1, &platform, NULL);
78 if (err != CL_SUCCESS) {
79 printf( "clGetPlatformIDs() failed with %d\n", err );
80 return 1;
81 }
82
83 err = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 1, &device, NULL);
84 if (err != CL_SUCCESS) {
85 printf( "clGetDeviceIDs() failed with %d\n", err );
86 return 1;
87 }
88
89 props[1] = (cl_context_properties)platform;
90 ctx = clCreateContext(props, 1, &device, NULL, NULL, &err);
91 if (err != CL_SUCCESS) {
92 printf( "clCreateContext() failed with %d\n", err );
93 return 1;
94 }
95
96 queue = clCreateCommandQueue(ctx, device, 0, &err);
97 if (err != CL_SUCCESS) {
98 printf( "clCreateCommandQueue() failed with %d\n", err );
99 clReleaseContext(ctx);
100 return 1;
101 }
102
103 /* Setup clblas. */
104 err = clblasSetup();
105 if (err != CL_SUCCESS) {
106 printf("clblasSetup() failed with %d\n", err);
107 clReleaseCommandQueue(queue);
108 clReleaseContext(ctx);
109 return 1;
110 }
111
112 /* Prepare OpenCL memory objects and place matrices inside them. */
113 bufA = clCreateBuffer(ctx, CL_MEM_READ_ONLY, N * N * sizeof(cl_float),
114 NULL, &err);
115 bufX = clCreateBuffer(ctx, CL_MEM_READ_WRITE, N * sizeof(cl_float),
116 NULL, &err);
117
118 err = clEnqueueWriteBuffer(queue, bufA, CL_TRUE, 0,
119 N * N * sizeof(cl_float), A, 0, NULL, NULL);
120 err = clEnqueueWriteBuffer(queue, bufX, CL_TRUE, 0,

Callers

nothing calls this directly

Calls 4

clblasSetupFunction · 0.85
clblasStrsvFunction · 0.85
clblasTeardownFunction · 0.85
printResultFunction · 0.70

Tested by

no test coverage detected