1 /******************************************************************************
2 * Copyright (c) 2013-2015, Texas Instruments Incorporated - http://www.ti.com/
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
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8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Texas Instruments Incorporated nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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27 *****************************************************************************/
29 #include "ti_cblas_acc.h"
30 #include "../../ticblas/ticblas.h"
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 void __real_cblas_dgemm(const enum CBLAS_ORDER Order, const enum CBLAS_TRANSPOSE TransA, const enum CBLAS_TRANSPOSE TransB, const int M, const int N, const int K, const double alpha, const double *A, const int lda, const double *B, const int ldb, const double beta, double *C, const int ldc) ;
37 #ifdef __cplusplus
38 }
39 extern "C"
40 #endif
41 void cblas_dgemm(const enum CBLAS_ORDER Order, const enum CBLAS_TRANSPOSE TransA, const enum CBLAS_TRANSPOSE TransB, const int M, const int N, const int K, const double alpha, const double *A, const int lda, const double *B, const int ldb, const double beta, double *C, const int ldc)
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_dgemm");
48 TI_CBLAS_PROFILE_START();
49 /* Dynamic condtional offload to ARM */
50 if ((TI_CBLAS_L3_OFFLOAD == TI_CBLAS_OFFLOAD_NONE) || ((TI_CBLAS_L3_OFFLOAD == TI_CBLAS_OFFLOAD_SIZE) && (!dgemm_offload_dsp(Order,M,N,K)))) {
51 TI_CBLAS_DEBUG_PRINT("Executing ARM %s\n", "cblas_dgemm");
52 __real_cblas_dgemm(Order,TransA,TransB,M,N,K,alpha,A,lda,B,ldb,beta,C,ldc);
53 TI_CBLAS_PROFILE_REPORT(" Entire %s call (ARM) took %8.2f us\n","cblas_dgemm", (float) clock_diff);
54 return ;
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_dgemm");
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_DGEMM_IDX, "ocl_cblas_dgemm");
70 #ifdef __cplusplus
71 try
72 #else
73 cl_int err = CL_SUCCESS;
74 #endif
75 {
77 #ifdef __cplusplus
78 __K->setArg(0, Order);
79 #else
80 err |= clSetKernelArg(__K, 0, sizeof(Order), &Order);
81 #endif
83 #ifdef __cplusplus
84 __K->setArg(1, TransA);
85 #else
86 err |= clSetKernelArg(__K, 1, sizeof(TransA), &TransA);
87 #endif
89 #ifdef __cplusplus
90 __K->setArg(2, TransB);
91 #else
92 err |= clSetKernelArg(__K, 2, sizeof(TransB), &TransB);
93 #endif
95 #ifdef __cplusplus
96 __K->setArg(3, M);
97 #else
98 err |= clSetKernelArg(__K, 3, sizeof(M), &M);
99 #endif
101 #ifdef __cplusplus
102 __K->setArg(4, N);
103 #else
104 err |= clSetKernelArg(__K, 4, sizeof(N), &N);
105 #endif
107 #ifdef __cplusplus
108 __K->setArg(5, K);
109 #else
110 err |= clSetKernelArg(__K, 5, sizeof(K), &K);
111 #endif
113 #ifdef __cplusplus
114 __K->setArg(6, alpha);
115 #else
116 err |= clSetKernelArg(__K, 6, sizeof(alpha), &alpha);
117 #endif
118 /* For const arguments we use CL_MEM_USE_READ_ONLY */
120 int size_bufA;
121 size_bufA = BLAS_ORD_T(Order,TransA,M,K)*lda*sizeof(double);
122 size_bufA = MAX(size_bufA,1);
124 #ifdef __cplusplus
125 Buffer buf_A(*ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufA, (void *)A);
126 __K->setArg(7, buf_A);
127 #else
128 cl_mem buf_A = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufA, (void *)A, &err);
129 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
130 err |= clSetKernelArg(__K, 7, sizeof(buf_A), &buf_A);
131 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
132 #endif
134 #ifdef __cplusplus
135 __K->setArg(8, lda);
136 #else
137 err |= clSetKernelArg(__K, 8, sizeof(lda), &lda);
138 #endif
139 /* For const arguments we use CL_MEM_USE_READ_ONLY */
141 int size_bufB;
142 size_bufB = BLAS_ORD_T(Order,TransB,K,N)*ldb*sizeof(double);
143 size_bufB = MAX(size_bufB,1);
145 #ifdef __cplusplus
146 Buffer buf_B(*ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufB, (void *)B);
147 __K->setArg(9, buf_B);
148 #else
149 cl_mem buf_B = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, size_bufB, (void *)B, &err);
150 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
151 err |= clSetKernelArg(__K, 9, sizeof(buf_B), &buf_B);
152 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
153 #endif
155 #ifdef __cplusplus
156 __K->setArg(10, ldb);
157 #else
158 err |= clSetKernelArg(__K, 10, sizeof(ldb), &ldb);
159 #endif
161 #ifdef __cplusplus
162 __K->setArg(11, beta);
163 #else
164 err |= clSetKernelArg(__K, 11, sizeof(beta), &beta);
165 #endif
167 int size_bufC;
168 size_bufC = BLAS_ORD(Order,M,N)*ldc*sizeof(double);
169 size_bufC = MAX(size_bufC,1);
171 #ifdef __cplusplus
172 Buffer buf_C(*ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, size_bufC, (void *)C);
173 __K->setArg(12, buf_C);
174 #else
175 cl_mem buf_C = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, size_bufC, (void *)C, &err);
176 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
177 err |= clSetKernelArg(__K, 12, sizeof(buf_C), &buf_C);
178 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
179 #endif
181 #ifdef __cplusplus
182 __K->setArg(13, ldc);
183 #else
184 err |= clSetKernelArg(__K, 13, sizeof(ldc), &ldc);
185 #endif
187 void *msmc_ptr;
188 size_t msmc_size = MSMC_BUF_SIZE;
189 msmc_ptr = ti_cblas_mem_alloc(MSMC_BUF_SIZE);
190 #ifdef __cplusplus
191 Buffer buf_MSMC(*ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, MSMC_BUF_SIZE, (void *)msmc_ptr);
192 //Buffer buf_MSMC(ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_MSMC_TI, MSMC_BUF_SIZE);
193 __K->setArg(14, buf_MSMC);
195 #else
196 //cl_mem buf_MSMC = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_MSMC_TI, MSMC_BUF_SIZE, NULL, &err);
197 cl_mem buf_MSMC = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, MSMC_BUF_SIZE, (void *)msmc_ptr, &err);
198 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
199 err |= clSetKernelArg(__K, 14, sizeof(buf_MSMC), &buf_MSMC);
200 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
201 #endif
203 #ifdef __cplusplus
204 __K->setArg(15, msmc_size);
205 #else
206 err |= clSetKernelArg(__K, 15, sizeof(msmc_size), &msmc_size);
207 #endif
209 /* create a buffer argument to get the return error code from the DSP */
210 int err_code;
211 #ifdef __cplusplus
212 Buffer buf_err(*ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, sizeof(int), &err_code);
213 __K->setArg(16, buf_err);
214 #else
215 cl_mem buf_err = clCreateBuffer(*ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, sizeof(int), &err_code, &err);
216 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
217 err |= clSetKernelArg(__K, 16, sizeof(buf_err), &buf_err);
218 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
219 #endif
221 #ifdef __cplusplus
222 ti_cblas_ocl_Q->enqueueTask(*__K, 0, &e);
223 e.wait();
224 #else
225 cl_event e;
226 err |= clEnqueueTask(ti_cblas_ocl_Q, __K, 0, 0, &e);
227 TI_CBLAS_OCL_CHKERROR("clEnqueueTask",err);
228 err |= clWaitForEvents(1, &e);
229 TI_CBLAS_OCL_CHKERROR("clWaitForEvents",err);
230 err |= clReleaseEvent(e);
231 TI_CBLAS_OCL_CHKERROR("clReleaseEvent",err);
232 #endif
234 if(err_code != TICBLAS_SUCCESS) {
235 printf("Error code returned by offloaded cblas_dgemm is %d\n.", err_code);
236 }
238 ti_cblas_mem_free(msmc_ptr);
240 ti_cblas_delete_kernel(__K);
242 TI_CBLAS_DEBUG_PRINT("Finished executing %s\n", "cblas_dgemm");
243 TI_CBLAS_PROFILE_REPORT(" Entire %s call (DSP) took %8.2f us\n","cblas_dgemm", (float) clock_diff);
244 return ;
245 }
247 #ifdef __cplusplus
248 catch (Error err)
249 {
250 ti_cblas_error(err.what(),err.err());
251 return ;
252 }
253 #endif
254 }