de913e558c46dab97c2865f864490e5eb80db47c
[dense-linear-algebra-libraries/linalg.git] / src / ti / linalg / blasblisacc / src / ti_cblas_cblas_ddot.c
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2 * Copyright (c) 2013-2015, Texas Instruments Incorporated - http://www.ti.com/
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6 * modification, are permitted provided that the following conditions are met:
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14 * derived from this software without specific prior written permission.
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29 #include "ti_cblas_acc.h"
30 #include "../../ticblas/ticblas.h"
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 double __real_cblas_ddot(const int N, const double *X, const int incX, const double *Y, const int incY) ;
37 #ifdef __cplusplus
38 }
39 extern "C"
40 #endif
41 double cblas_ddot(const int N, const double *X, const int incX, const double *Y, const int incY)
42 {
44 /* Do an init on first use */
45 if (!ti_cblas_init_done) ti_cblas_init();
46 TI_CBLAS_DEBUG_PRINT("Intercepted call to %s\n", "cblas_ddot");
48 TI_CBLAS_PROFILE_START();
49 /* Dynamic condtional offload to ARM */
50 if ((TI_CBLAS_L1_OFFLOAD == TI_CBLAS_OFFLOAD_NONE)) {
51 TI_CBLAS_DEBUG_PRINT("Executing ARM %s\n", "cblas_ddot");
52 double rval = __real_cblas_ddot(N,X,incX,Y,incY);
53 TI_CBLAS_PROFILE_REPORT(" Entire %s call (ARM) took %8.2f us\n","cblas_ddot", (float) clock_diff);
54 return rval;
55 }
56 /* End ARM offload */
58 /******************************************************************/
59 /* DSP offload WILL be done if control reaches here */
60 TI_CBLAS_DEBUG_PRINT("Offloading to DSP %s\n", "cblas_ddot");
62 /* Lookup kernel pointer from global table */
63 #ifdef __cplusplus
64 Event e;
65 Kernel* __K;
66 #else
67 cl_kernel __K;
68 #endif
69 __K = ti_cblas_get_kernel(TI_CBLAS_CBLAS_DDOT_IDX, "ocl_cblas_ddot");
71 #ifdef __cplusplus
72 try
73 #else
74 cl_int err = CL_SUCCESS;
75 #endif
76 {
78 #ifdef __cplusplus
79 __K->setArg(0, N);
80 #else
81 err |= clSetKernelArg(__K, 0, sizeof(N), &N);
82 #endif
83 /* For const arguments we use CL_MEM_USE_READ_ONLY */
85 int size_bufX;
86 size_bufX = (1+(N-1)*abs(incX))*sizeof(double);
87 size_bufX = MAX(size_bufX,1);
89 #ifdef __cplusplus
90 Buffer buf_X(*ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufX, (void *)X);
91 __K->setArg(1, buf_X);
92 #else
93 cl_mem buf_X = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufX, (void *)X, &err);
94 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
95 err |= clSetKernelArg(__K, 1, sizeof(buf_X), &buf_X);
96 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
97 #endif
99 #ifdef __cplusplus
100 __K->setArg(2, incX);
101 #else
102 err |= clSetKernelArg(__K, 2, sizeof(incX), &incX);
103 #endif
104 /* For const arguments we use CL_MEM_USE_READ_ONLY */
106 int size_bufY;
107 size_bufY = (1+(N-1)*abs(incY))*sizeof(double);
108 size_bufY = MAX(size_bufY,1);
110 #ifdef __cplusplus
111 Buffer buf_Y(*ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufY, (void *)Y);
112 __K->setArg(3, buf_Y);
113 #else
114 cl_mem buf_Y = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufY, (void *)Y, &err);
115 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
116 err |= clSetKernelArg(__K, 3, sizeof(buf_Y), &buf_Y);
117 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
118 #endif
120 #ifdef __cplusplus
121 __K->setArg(4, incY);
122 #else
123 err |= clSetKernelArg(__K, 4, sizeof(incY), &incY);
124 #endif
126 /* create a buffer argument to get the return value from the DSP */
127 double retval;
128 #ifdef __cplusplus
129 Buffer buf_retval(*ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, sizeof(double), &retval);
130 __K->setArg(5, buf_retval);
131 #else
132 cl_mem buf_retval = clCreateBuffer(*ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, sizeof(double), &retval, &err);
133 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
134 err |= clSetKernelArg(__K, 5, sizeof(buf_retval), &buf_retval);
135 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
136 #endif
138 #ifdef __cplusplus
139 ti_cblas_ocl_Q->enqueueTask(*__K, 0, &e);
140 e.wait();
141 #else
142 cl_event e;
143 err |= clEnqueueTask(ti_cblas_ocl_Q, __K, 0, 0, &e);
144 TI_CBLAS_OCL_CHKERROR("clEnqueueTask",err);
145 err |= clWaitForEvents(1, &e);
146 TI_CBLAS_OCL_CHKERROR("clWaitForEvents",err);
147 err |= clReleaseEvent(e);
148 TI_CBLAS_OCL_CHKERROR("clReleaseEvent",err);
149 #endif
151 ti_cblas_delete_kernel(__K);
153 TI_CBLAS_DEBUG_PRINT("Finished executing %s\n", "cblas_ddot");
154 TI_CBLAS_PROFILE_REPORT(" Entire %s call (DSP) took %8.2f us\n","cblas_ddot", (float) clock_diff);
155 return retval;
156 }
158 #ifdef __cplusplus
159 catch (Error err)
160 {
161 ti_cblas_error(err.what(),err.err());
162 return 0;
163 }
164 #endif
165 }