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Function main

src/samples/example_chemm.cpp:81–181  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

79}
80
81int
82main(void)
83{
84 cl_int err;
85 cl_platform_id platform = 0;
86 cl_device_id device = 0;
87 cl_context_properties props[3] = { CL_CONTEXT_PLATFORM, 0, 0 };
88 cl_context ctx = 0;
89 cl_command_queue queue = 0;
90 cl_mem bufA, bufB, bufC;
91 cl_event event = NULL;
92 int ret = 0;
93
94 /* Setup OpenCL environment. */
95 err = clGetPlatformIDs(1, &platform, NULL);
96 if (err != CL_SUCCESS) {
97 printf( "clGetPlatformIDs() failed with %d\n", err );
98 return 1;
99 }
100
101 err = clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 1, &device, NULL);
102 if (err != CL_SUCCESS) {
103 printf( "clGetDeviceIDs() failed with %d\n", err );
104 return 1;
105 }
106
107 props[1] = (cl_context_properties)platform;
108 ctx = clCreateContext(props, 1, &device, NULL, NULL, &err);
109 if (err != CL_SUCCESS) {
110 printf( "clCreateContext() failed with %d\n", err );
111 return 1;
112 }
113
114 queue = clCreateCommandQueue(ctx, device, 0, &err);
115 if (err != CL_SUCCESS) {
116 printf( "clCreateCommandQueue() failed with %d\n", err );
117 clReleaseContext(ctx);
118 return 1;
119 }
120
121 /* Setup clblas. */
122 err = clblasSetup();
123 if (err != CL_SUCCESS) {
124 printf("clblasSetup() failed with %d\n", err);
125 clReleaseCommandQueue(queue);
126 clReleaseContext(ctx);
127 return 1;
128 }
129
130 /* Prepare OpenCL memory objects and place matrices inside them. */
131 bufA = clCreateBuffer(ctx, CL_MEM_READ_ONLY, M * M * sizeof(*A),
132 NULL, &err);
133 bufB = clCreateBuffer(ctx, CL_MEM_READ_ONLY, M * N * sizeof(*B),
134 NULL, &err);
135 bufC = clCreateBuffer(ctx, CL_MEM_READ_WRITE, M * N * sizeof(*C),
136 NULL, &err);
137
138 err = clEnqueueWriteBuffer(queue, bufA, CL_TRUE, 0,

Callers

nothing calls this directly

Calls 4

clblasSetupFunction · 0.85
clblasChemmFunction · 0.85
clblasTeardownFunction · 0.85
printResultFunction · 0.70

Tested by

no test coverage detected