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
|
/*
* Copyright (c) 2017-2020 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.
*/
#include "arm_compute/runtime/CL/functions/CLMinMaxLocation.h"
#include "arm_compute/core/CL/CLHelpers.h"
namespace arm_compute
{
CLMinMaxLocation::CLMinMaxLocation()
: _min_max_kernel(),
_min_max_loc_kernel(),
_min_max_vals(),
_min_max_count_vals(),
_min(nullptr),
_max(nullptr),
_min_count(nullptr),
_max_count(nullptr),
_min_loc(nullptr),
_max_loc(nullptr)
{
}
void CLMinMaxLocation::configure(const ICLImage *input, void *min, void *max, CLCoordinates2DArray *min_loc, CLCoordinates2DArray *max_loc, uint32_t *min_count, uint32_t *max_count)
{
configure(CLKernelLibrary::get().get_compile_context(), input, min, max, min_loc, max_loc, min_count, max_count);
}
void CLMinMaxLocation::configure(const CLCompileContext &compile_context, const ICLImage *input, void *min, void *max, CLCoordinates2DArray *min_loc, CLCoordinates2DArray *max_loc,
uint32_t *min_count,
uint32_t *max_count)
{
ARM_COMPUTE_ERROR_ON(nullptr == min);
ARM_COMPUTE_ERROR_ON(nullptr == max);
_min_max_vals = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 2 * sizeof(int32_t));
_min_max_count_vals = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, 2 * sizeof(uint32_t));
_min = min;
_max = max;
_min_count = min_count;
_max_count = max_count;
_min_loc = min_loc;
_max_loc = max_loc;
_min_max_kernel.configure(compile_context, input, &_min_max_vals);
_min_max_loc_kernel.configure(compile_context, input, &_min_max_vals, &_min_max_count_vals, _min_loc, _max_loc);
}
void CLMinMaxLocation::run()
{
cl::CommandQueue q = CLScheduler::get().queue();
CLScheduler::get().enqueue(_min_max_kernel, false);
CLScheduler::get().enqueue(_min_max_loc_kernel, false);
// Update min and max
q.enqueueReadBuffer(_min_max_vals, CL_FALSE, 0 * sizeof(int32_t), sizeof(int32_t), static_cast<int32_t *>(_min));
q.enqueueReadBuffer(_min_max_vals, CL_FALSE, 1 * sizeof(int32_t), sizeof(int32_t), static_cast<int32_t *>(_max));
// Update min and max count
if(_min_count != nullptr)
{
q.enqueueReadBuffer(_min_max_count_vals, CL_FALSE, 0 * sizeof(uint32_t), sizeof(uint32_t), _min_count);
}
if(_max_count != nullptr)
{
q.enqueueReadBuffer(_min_max_count_vals, CL_FALSE, 1 * sizeof(uint32_t), sizeof(uint32_t), _max_count);
}
// Update min/max point arrays (Makes the kernel blocking)
if(_min_loc != nullptr)
{
unsigned int min_count = 0;
q.enqueueReadBuffer(_min_max_count_vals, CL_TRUE, 0 * sizeof(uint32_t), sizeof(uint32_t), &min_count);
size_t min_corner_size = std::min(static_cast<size_t>(min_count), _min_loc->max_num_values());
_min_loc->resize(min_corner_size);
}
if(_max_loc != nullptr)
{
unsigned int max_count = 0;
q.enqueueReadBuffer(_min_max_count_vals, CL_TRUE, 1 * sizeof(uint32_t), sizeof(uint32_t), &max_count);
size_t max_corner_size = std::min(static_cast<size_t>(max_count), _max_loc->max_num_values());
_max_loc->resize(max_corner_size);
}
}
} // namespace arm_compute
|
