1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* Copyright (c) 2017-2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_CLTUNER_H
#define ARM_COMPUTE_CLTUNER_H
#include "arm_compute/core/CL/OpenCL.h"
#include "arm_compute/runtime/CL/CLTunerTypes.h"
#include "arm_compute/runtime/CL/ICLTuner.h"
#include <unordered_map>
namespace arm_compute
{
class ICLKernel;
/** Basic implementation of the OpenCL tuner interface */
class CLTuner : public ICLTuner
{
public:
/** Constructor
*
* @param[in] tune_new_kernels Find the optimal local workgroup size for kernels which are not present in the table ?
*
*/
CLTuner(bool tune_new_kernels = true);
/** Destructor */
~CLTuner() = default;
/** Setter for tune_new_kernels option
*
* @param[in] tune_new_kernels Find the optimal local workgroup size for kernels which are not present in the table ?
*/
void set_tune_new_kernels(bool tune_new_kernels);
/** Tune kernels that are not in the LWS table
*
* @return True if tuning of new kernels is enabled.
*/
bool tune_new_kernels() const;
/** Set OpenCL tuner mode
*
* @param[in] mode Indicates how exhaustive the search for the optimal LWS should be while tuning. Default is Exhaustive mode
*/
void set_tuner_mode(CLTunerMode mode);
/** Get the current OpenCL tuner mode
*
* @return tuner_mode Indicates how exhaustive the search for the optimal LWS should be while tuning
*/
CLTunerMode get_tuner_mode() const;
/** Manually add a LWS for a kernel
*
* @param[in] kernel_id Unique identifiant of the kernel
* @param[in] optimal_lws Optimal local workgroup size to use for the given kernel
*/
void add_lws_to_table(const std::string &kernel_id, cl::NDRange optimal_lws);
/** Import LWS table
*
* @param[in] lws_table The unordered_map container to import
*/
void import_lws_table(const std::unordered_map<std::string, cl::NDRange> &lws_table);
/** Give read access to the LWS table
*
* @return The lws table as unordered_map container
*/
const std::unordered_map<std::string, cl::NDRange> &lws_table() const;
/** Set the OpenCL kernel event
*
* @note The interceptor can use this function to store the event associated to the OpenCL kernel
*
* @param[in] kernel_event The OpenCL kernel event
*/
void set_cl_kernel_event(cl_event kernel_event);
/** clEnqueueNDRangeKernel symbol */
std::function<decltype(clEnqueueNDRangeKernel)> real_clEnqueueNDRangeKernel;
/** Load the LWS table from file
*
* @param[in] filename Load the LWS table from this file.(Must exist)
*/
void load_from_file(const std::string &filename);
/** Save the content of the LWS table to file
*
* @param[in] filename Save the LWS table to this file. (Content will be overwritten)
*/
void save_to_file(const std::string &filename) const;
// Inherited methods overridden:
void tune_kernel_static(ICLKernel &kernel) override;
void tune_kernel_dynamic(ICLKernel &kernel) override;
/** Is the kernel_event set ?
*
* @return true if the kernel_event is set.
*/
bool kernel_event_is_set() const;
private:
/** Find optimal LWS using brute-force approach
*
* @param[in] kernel OpenCL kernel to be tuned with LWS
*
* @return The optimal LWS to use
*/
cl::NDRange find_optimal_lws(ICLKernel &kernel);
std::unordered_map<std::string, cl::NDRange> _lws_table;
cl::Event _kernel_event;
bool _tune_new_kernels;
CLTunerMode _tuner_mode;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_CLTUNER_H */
|
