1 /*
2 * Copyright (c) 2016-2020 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #include "arm_compute/runtime/NEON/functions/NEMeanStdDev.h"
25
26 #include "arm_compute/runtime/NEON/NEScheduler.h"
27 #include "src/core/NEON/kernels/NEFillBorderKernel.h"
28 #include "src/core/NEON/kernels/NEMeanStdDevKernel.h"
29 #include "support/MemorySupport.h"
30
31 namespace arm_compute
32 {
33 NEMeanStdDev::~NEMeanStdDev() = default;
34
NEMeanStdDev()35 NEMeanStdDev::NEMeanStdDev()
36 : _mean_stddev_kernel(), _fill_border_kernel(), _global_sum(0), _global_sum_squared(0)
37 {
38 }
39
configure(IImage * input,float * mean,float * stddev)40 void NEMeanStdDev::configure(IImage *input, float *mean, float *stddev)
41 {
42 _mean_stddev_kernel = arm_compute::support::cpp14::make_unique<NEMeanStdDevKernel>();
43 _fill_border_kernel = arm_compute::support::cpp14::make_unique<NEFillBorderKernel>();
44
45 _mean_stddev_kernel->configure(input, mean, &_global_sum, stddev, &_global_sum_squared);
46 _fill_border_kernel->configure(input, _mean_stddev_kernel->border_size(), BorderMode::CONSTANT, PixelValue(static_cast<uint8_t>(0)));
47 }
48
run()49 void NEMeanStdDev::run()
50 {
51 _global_sum = 0;
52 _global_sum_squared = 0;
53
54 NEScheduler::get().schedule(_fill_border_kernel.get(), Window::DimZ);
55 NEScheduler::get().schedule(_mean_stddev_kernel.get(), Window::DimY);
56 }
57 } // namespace arm_compute
58