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:
7 * * Redistributions of source code must retain the above copyright
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
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 *****************************************************************************/
29 #include "ti_cblas_acc.h"
30 #include "../../ticblas/ticblas.h"
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 void __real_cblas_zscal(const int N, const void *alpha, void *X, const int incX) ;
37 #ifdef __cplusplus
38 }
39 extern "C"
40 #endif
41 void cblas_zscal(const int N, const void *alpha, void *X, const int incX)
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_zscal");
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_zscal");
52 __real_cblas_zscal(N,alpha,X,incX);
53 TI_CBLAS_PROFILE_REPORT(" Entire %s call (ARM) took %8.2f us\n","cblas_zscal", (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_zscal");
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_ZSCAL_IDX, "ocl_cblas_zscal");
70 #ifdef __cplusplus
71 try
72 #else
73 cl_int err = CL_SUCCESS;
74 #endif
75 {
77 #ifdef __cplusplus
78 __K->setArg(0, N);
79 #else
80 err |= clSetKernelArg(__K, 0, sizeof(N), &N);
81 #endif
82 /* For const arguments we use CL_MEM_USE_READ_ONLY */
84 #ifdef __cplusplus
85 Buffer buf_alpha(*ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, 2*sizeof(double), (void *)alpha);
86 __K->setArg(1, buf_alpha);
87 #else
88 cl_mem buf_alpha = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_ONLY|CL_MEM_USE_HOST_PTR, 2*sizeof(double), (void *)alpha, &err);
89 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
90 err |= clSetKernelArg(__K, 1, sizeof(buf_alpha), &buf_alpha);
91 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
92 #endif
94 int size_bufX;
95 size_bufX = 2*(1+(N-1)*abs(incX))*sizeof(double);
96 size_bufX = MAX(size_bufX,1);
98 #ifdef __cplusplus
99 Buffer buf_X(*ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, size_bufX, (void *)X);
100 __K->setArg(2, buf_X);
101 #else
102 cl_mem buf_X = clCreateBuffer(ti_cblas_ocl_context, CL_MEM_READ_WRITE|CL_MEM_USE_HOST_PTR, size_bufX, (void *)X, &err);
103 TI_CBLAS_OCL_CHKERROR("clCreateBuffer",err);
104 err |= clSetKernelArg(__K, 2, sizeof(buf_X), &buf_X);
105 TI_CBLAS_OCL_CHKERROR("clSetKernelArg",err);
106 #endif
108 #ifdef __cplusplus
109 __K->setArg(3, incX);
110 #else
111 err |= clSetKernelArg(__K, 3, sizeof(incX), &incX);
112 #endif
114 #ifdef __cplusplus
115 ti_cblas_ocl_Q->enqueueTask(*__K, 0, &e);
116 e.wait();
117 #else
118 cl_event e;
119 err |= clEnqueueTask(ti_cblas_ocl_Q, __K, 0, 0, &e);
120 TI_CBLAS_OCL_CHKERROR("clEnqueueTask",err);
121 err |= clWaitForEvents(1, &e);
122 TI_CBLAS_OCL_CHKERROR("clWaitForEvents",err);
123 err |= clReleaseEvent(e);
124 TI_CBLAS_OCL_CHKERROR("clReleaseEvent",err);
125 #endif
127 ti_cblas_delete_kernel(__K);
129 TI_CBLAS_DEBUG_PRINT("Finished executing %s\n", "cblas_zscal");
130 TI_CBLAS_PROFILE_REPORT(" Entire %s call (DSP) took %8.2f us\n","cblas_zscal", (float) clock_diff);
131 return ;
132 }
134 #ifdef __cplusplus
135 catch (Error err)
136 {
137 ti_cblas_error(err.what(),err.err());
138 return ;
139 }
140 #endif
141 }