1 /*
2 * Copyright (c) 2017-2020 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/CL/functions/CLPoolingLayer.h"
25
26 #include "arm_compute/core/CL/ICLTensor.h"
27 #include "arm_compute/runtime/CL/CLScheduler.h"
28 #include "src/core/CL/kernels/CLFillBorderKernel.h"
29 #include "src/core/CL/kernels/CLPoolingLayerKernel.h"
30 #include "support/MemorySupport.h"
31
32 namespace arm_compute
33 {
configure(ICLTensor * input,ICLTensor * output,const PoolingLayerInfo & pool_info,ICLTensor * indices)34 void CLPoolingLayer::configure(ICLTensor *input, ICLTensor *output, const PoolingLayerInfo &pool_info, ICLTensor *indices)
35 {
36 configure(CLKernelLibrary::get().get_compile_context(), input, output, pool_info, indices);
37 }
38
configure(const CLCompileContext & compile_context,ICLTensor * input,ICLTensor * output,const PoolingLayerInfo & pool_info,ICLTensor * indices)39 void CLPoolingLayer::configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, const PoolingLayerInfo &pool_info, ICLTensor *indices)
40 {
41 ARM_COMPUTE_ERROR_ON_NULLPTR(input);
42 // Configure pooling kernel
43 auto k = arm_compute::support::cpp14::make_unique<CLPoolingLayerKernel>();
44 k->set_target(CLScheduler::get().target());
45 k->configure(compile_context, input, output, pool_info, indices);
46 _kernel = std::move(k);
47
48 const DataType data_type = input->info()->data_type();
49
50 // Configure border depending on operation required (quantize border in case of asymmetric data_type)
51 BorderMode border_mode{};
52 PixelValue pixel_value(0.f);
53 if(is_data_type_quantized_asymmetric(data_type) && !pool_info.exclude_padding)
54 {
55 pixel_value = PixelValue(0, data_type, input->info()->quantization_info());
56 }
57
58 // Data layout
59 const auto data_layout = pool_info.data_layout == DataLayout::UNKNOWN ? input->info()->data_layout() : pool_info.data_layout;
60
61 switch(data_layout)
62 {
63 case DataLayout::NCHW:
64 border_mode = (PoolingType::MAX == pool_info.pool_type) ? BorderMode::REPLICATE : BorderMode::CONSTANT;
65 break;
66 case DataLayout::NHWC:
67 border_mode = BorderMode::CONSTANT;
68 if(PoolingType::MAX == pool_info.pool_type)
69 {
70 if(is_data_type_quantized(data_type))
71 {
72 std::tie(pixel_value, std::ignore) = get_min_max(data_type);
73 }
74 else
75 {
76 pixel_value = PixelValue(std::numeric_limits<float>::lowest());
77 }
78 }
79 break;
80 default:
81 ARM_COMPUTE_ERROR("Data layout not supported");
82 }
83 _border_handler->configure(compile_context, input, _kernel->border_size(), border_mode, pixel_value);
84
85 // Tune kernels
86 CLScheduler::get().tune_kernel_static(*_kernel);
87 }
88
validate(const ITensorInfo * input,const ITensorInfo * output,const PoolingLayerInfo & pool_info,const ITensorInfo * indices)89 Status CLPoolingLayer::validate(const ITensorInfo *input, const ITensorInfo *output, const PoolingLayerInfo &pool_info, const ITensorInfo *indices)
90 {
91 return CLPoolingLayerKernel::validate(input, output, pool_info, indices);
92 }
93 } // namespace arm_compute
94