Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 1 | /* |
giuros01 | a69a88b | 2019-01-31 16:29:19 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 ARM Limited. |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 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/NEDeconvolutionLayer.h" |
| 25 | |
| 26 | #include "arm_compute/core/Helpers.h" |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 27 | #include "arm_compute/core/Utils.h" |
| 28 | #include "arm_compute/core/Validate.h" |
Michalis Spyrou | 780db4e | 2017-11-23 09:49:51 +0000 | [diff] [blame] | 29 | #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
Georgios Pinitas | 421405b | 2018-10-26 19:05:32 +0100 | [diff] [blame] | 30 | #include "arm_compute/runtime/NEON/NEScheduler.h" |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 31 | |
Michalis Spyrou | 780db4e | 2017-11-23 09:49:51 +0000 | [diff] [blame] | 32 | using namespace arm_compute::misc::shape_calculator; |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 33 | |
Manuel Bottini | f391fff | 2019-05-15 13:01:26 +0100 | [diff] [blame] | 34 | namespace arm_compute |
| 35 | { |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 36 | NEDeconvolutionLayer::NEDeconvolutionLayer(std::shared_ptr<IMemoryManager> memory_manager) // NOLINT |
| 37 | : _memory_group(std::move(memory_manager)), |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 38 | _conv_f(), |
Michalis Spyrou | 33a6990 | 2018-02-23 15:01:52 +0000 | [diff] [blame] | 39 | _upsample_f(), |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 40 | _flip_weights(), |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 41 | _permute_input(), |
| 42 | _permute_weights(), |
| 43 | _permute_output(), |
Michalis Spyrou | 780db4e | 2017-11-23 09:49:51 +0000 | [diff] [blame] | 44 | _scaled_output(), |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 45 | _weights_flipped(), |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 46 | _permuted_input(), |
| 47 | _permuted_weights(), |
| 48 | _permuted_output(), |
| 49 | _is_nchw(false), |
Michele Di Giorgio | 061dd36 | 2018-10-17 17:10:27 +0100 | [diff] [blame] | 50 | _original_weights(nullptr), |
Michalis Spyrou | 780db4e | 2017-11-23 09:49:51 +0000 | [diff] [blame] | 51 | _input(nullptr), |
| 52 | _info(), |
Georgios Pinitas | 7221933 | 2018-06-05 14:56:06 +0100 | [diff] [blame] | 53 | _is_prepared(false) |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 54 | { |
| 55 | } |
| 56 | |
Manuel Bottini | c1b76fa | 2019-06-17 12:04:40 +0100 | [diff] [blame] | 57 | Status NEDeconvolutionLayer::validate(const ITensorInfo *input, const ITensorInfo *weights, const ITensorInfo *bias, const ITensorInfo *output, const PadStrideInfo &info) |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 58 | { |
| 59 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, weights, output); |
Manuel Bottini | f391fff | 2019-05-15 13:01:26 +0100 | [diff] [blame] | 60 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32, DataType::F16, DataType::QASYMM8); |
| 61 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(weights, input); |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 62 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_LAYOUT(weights, input); |
| 63 | const unsigned int width_idx = get_data_layout_dimension_index(weights->data_layout(), DataLayoutDimension::WIDTH); |
| 64 | const unsigned int height_idx = get_data_layout_dimension_index(weights->data_layout(), DataLayoutDimension::HEIGHT); |
| 65 | ARM_COMPUTE_RETURN_ERROR_ON(weights->dimension(width_idx) != weights->dimension(height_idx)); |
| 66 | ARM_COMPUTE_RETURN_ERROR_ON(weights->dimension(width_idx) < 1); |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 67 | ARM_COMPUTE_RETURN_ERROR_ON(!info.padding_is_symmetric()); |
| 68 | |
| 69 | const unsigned int stride_x = info.stride().first; |
| 70 | const unsigned int stride_y = info.stride().second; |
| 71 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 72 | auto out_dims = deconvolution_output_dimensions(input->dimension(width_idx), input->dimension(height_idx), weights->dimension(width_idx), weights->dimension(height_idx), |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 73 | info.pad().first, info.pad().second, stride_x, stride_y); |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 74 | |
Georgios Pinitas | 517055b | 2018-10-25 16:01:01 +0100 | [diff] [blame] | 75 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, weights); |
Usama Arif | 2899e00 | 2019-04-16 14:32:25 +0100 | [diff] [blame] | 76 | if(is_data_type_quantized_asymmetric(input->data_type())) |
| 77 | { |
| 78 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(bias, 1, DataType::S32); |
| 79 | } |
| 80 | else |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 81 | { |
| 82 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, bias); |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | if(output->tensor_shape().total_size() > 0) |
| 86 | { |
| 87 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 88 | |
Michele Di Giorgio | ed5a492 | 2018-09-13 16:22:01 +0100 | [diff] [blame] | 89 | const TensorShape output_shape = compute_deconvolution_output_shape(out_dims, *input, *weights); |
| 90 | |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 91 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(output->dimension(Window::DimX) != output_shape.x(), "Output's width is invalid."); |
| 92 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(output->dimension(Window::DimY) != output_shape.y(), "Output's height is invalid."); |
| 93 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(output->dimension(Window::DimZ) != output_shape.z(), "Output's depth is invalid."); |
| 94 | } |
| 95 | |
Michele Di Giorgio | ed5a492 | 2018-09-13 16:22:01 +0100 | [diff] [blame] | 96 | unsigned int padx = 0; |
| 97 | unsigned int pady = 0; |
Manuel Bottini | c1b76fa | 2019-06-17 12:04:40 +0100 | [diff] [blame] | 98 | const TensorShape scale_out_shape = compute_deconvolution_upsampled_shape(*input, *weights, stride_x, stride_y, out_dims, padx, pady); |
Michele Di Giorgio | ed5a492 | 2018-09-13 16:22:01 +0100 | [diff] [blame] | 99 | TensorInfo scale_out_info(input->clone()->set_is_resizable(true).reset_padding().set_tensor_shape(scale_out_shape)); |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 100 | const PadStrideInfo conv_info(1, 1, 0, 0, 0, 0, DimensionRoundingType::CEIL); |
| 101 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 102 | const unsigned int batches_idx = get_data_layout_dimension_index(weights->data_layout(), DataLayoutDimension::BATCHES); |
| 103 | const unsigned int channel_idx = get_data_layout_dimension_index(weights->data_layout(), DataLayoutDimension::CHANNEL); |
| 104 | ARM_COMPUTE_RETURN_ERROR_ON(input->dimension(batches_idx) != scale_out_info.dimension(batches_idx)); |
| 105 | ARM_COMPUTE_RETURN_ERROR_ON(input->dimension(channel_idx) != scale_out_info.dimension(channel_idx)); |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 106 | |
Isabella Gottardi | 96b86a9 | 2018-05-14 15:52:07 +0100 | [diff] [blame] | 107 | ARM_COMPUTE_RETURN_ON_ERROR(NEConvolutionLayer::validate(&scale_out_info, weights, bias, output, conv_info, WeightsInfo())); |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 108 | |
| 109 | return Status{}; |
| 110 | } |
| 111 | |
Manuel Bottini | c1b76fa | 2019-06-17 12:04:40 +0100 | [diff] [blame] | 112 | void NEDeconvolutionLayer::configure(ITensor *input, const ITensor *weights, const ITensor *bias, ITensor *output, const PadStrideInfo &info) |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 113 | { |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 114 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, weights, output); |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 115 | ARM_COMPUTE_ERROR_THROW_ON(NEDeconvolutionLayer::validate(input->info(), weights->info(), bias->info(), output->info(), info)); |
| 116 | |
| 117 | const DataLayout data_layout = input->info()->data_layout(); |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 118 | |
Michele Di Giorgio | 061dd36 | 2018-10-17 17:10:27 +0100 | [diff] [blame] | 119 | _input = input; |
| 120 | _original_weights = weights; |
| 121 | _info = info; |
Michele Di Giorgio | 061dd36 | 2018-10-17 17:10:27 +0100 | [diff] [blame] | 122 | _is_prepared = false; |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 123 | _is_nchw = data_layout == DataLayout::NCHW; |
Michalis Spyrou | 780db4e | 2017-11-23 09:49:51 +0000 | [diff] [blame] | 124 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 125 | const unsigned int stride_x = info.stride().first; |
| 126 | const unsigned int stride_y = info.stride().second; |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 127 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 128 | const unsigned int width_idx = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); |
| 129 | const unsigned int height_idx = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); |
| 130 | auto out_dims = deconvolution_output_dimensions(input->info()->dimension(width_idx), input->info()->dimension(height_idx), weights->info()->dimension(width_idx), |
| 131 | weights->info()->dimension(height_idx), |
| 132 | info.pad().first, info.pad().second, stride_x, stride_y); |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 133 | |
Michele Di Giorgio | ed5a492 | 2018-09-13 16:22:01 +0100 | [diff] [blame] | 134 | const TensorShape output_shape = compute_deconvolution_output_shape(out_dims, *input->info(), *weights->info()); |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 135 | // Output auto initialization if not yet initialized |
| 136 | auto_init_if_empty(*output->info(), output_shape, 1, input->info()->data_type(), input->info()->quantization_info()); |
| 137 | |
Alex Gilday | 27c08ab | 2018-02-22 11:36:16 +0000 | [diff] [blame] | 138 | // Perform validation step |
Manuel Bottini | c1b76fa | 2019-06-17 12:04:40 +0100 | [diff] [blame] | 139 | ARM_COMPUTE_ERROR_THROW_ON(NEDeconvolutionLayer::validate(input->info(), weights->info(), bias == nullptr ? nullptr : bias->info(), output->info(), info)); |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 140 | |
| 141 | _memory_group.manage(&_scaled_output); |
| 142 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 143 | if(!_is_nchw) |
| 144 | { |
| 145 | _memory_group.manage(&_permuted_input); |
| 146 | _memory_group.manage(&_permuted_weights); |
| 147 | _memory_group.manage(&_permuted_output); |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 148 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 149 | // Configure the function to transform the input tensor from NHWC -> NCHW |
| 150 | _permuted_input.info()->set_quantization_info(input->info()->quantization_info()); |
| 151 | _permute_input.configure(input, &_permuted_input, PermutationVector(1U, 2U, 0U)); |
| 152 | _permuted_input.info()->set_data_layout(DataLayout::NCHW); |
Michalis Spyrou | 780db4e | 2017-11-23 09:49:51 +0000 | [diff] [blame] | 153 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 154 | // Configure the function to transform the weights tensor from NHWC -> NCHW |
| 155 | _permuted_weights.info()->set_quantization_info(weights->info()->quantization_info()); |
| 156 | _permute_weights.configure(weights, &_permuted_weights, PermutationVector(1U, 2U, 0U)); |
| 157 | _permuted_weights.info()->set_data_layout(DataLayout::NCHW); |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 158 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 159 | // Find the upsampled dimensions and the padding needed for the convolution with stride 1 in order to match output shape |
| 160 | unsigned int padx = 0; |
| 161 | unsigned int pady = 0; |
| 162 | const TensorShape scale_out_shape = compute_deconvolution_upsampled_shape(*_permuted_input.info(), *_permuted_weights.info(), stride_x, stride_y, out_dims, padx, |
| 163 | pady); |
| 164 | |
| 165 | TensorInfo scale_out_info(scale_out_shape, 1, _permuted_input.info()->data_type(), _permuted_input.info()->quantization_info()); |
| 166 | scale_out_info.set_data_layout(DataLayout::NCHW); |
| 167 | _scaled_output.allocator()->init(scale_out_info); |
| 168 | |
| 169 | const PadStrideInfo upsample_info(stride_x, stride_y, padx / 2, pady / 2); |
| 170 | _upsample_f.configure(&_permuted_input, &_scaled_output, upsample_info); |
| 171 | |
| 172 | _weights_flipped.allocator()->init(*_permuted_weights.info()->clone()); |
| 173 | _weights_flipped.info()->set_quantization_info(weights->info()->quantization_info()); |
| 174 | _flip_weights.configure(&_permuted_weights, &_weights_flipped); |
| 175 | |
| 176 | // setup the function to convolve the upscaled output |
| 177 | const PadStrideInfo conv_info(1, 1, 0, 0, 0, 0, DimensionRoundingType::CEIL); |
| 178 | |
| 179 | _permuted_output.info()->set_quantization_info(output->info()->quantization_info()); |
| 180 | _conv_f.configure(&_scaled_output, &_weights_flipped, bias, &_permuted_output, conv_info); |
| 181 | _permuted_output.info()->set_data_layout(DataLayout::NCHW); |
| 182 | |
| 183 | // Configure the function to transform the convoluted output to NHWC |
| 184 | _permute_output.configure(&_permuted_output, output, PermutationVector(2U, 0U, 1U)); |
| 185 | |
| 186 | _permuted_input.allocator()->allocate(); |
| 187 | _permuted_weights.allocator()->allocate(); |
| 188 | _permuted_output.allocator()->allocate(); |
| 189 | } |
| 190 | else |
| 191 | { |
| 192 | // Find the upsampled dimensions and the padding needed for the convolution with stride 1 in order to match output shape |
| 193 | unsigned int padx = 0; |
| 194 | unsigned int pady = 0; |
| 195 | const TensorShape scale_out_shape = compute_deconvolution_upsampled_shape(*input->info(), *weights->info(), stride_x, stride_y, out_dims, padx, pady); |
| 196 | |
| 197 | TensorInfo scale_out_info(scale_out_shape, 1, input->info()->data_type(), input->info()->quantization_info()); |
| 198 | scale_out_info.set_data_layout(data_layout); |
| 199 | _scaled_output.allocator()->init(scale_out_info); |
| 200 | const PadStrideInfo upsample_info(stride_x, stride_y, padx / 2, pady / 2); |
| 201 | _upsample_f.configure(input, &_scaled_output, upsample_info); |
| 202 | |
| 203 | _weights_flipped.allocator()->init(weights->info()->clone()->set_data_layout(data_layout)); |
| 204 | _flip_weights.configure(weights, &_weights_flipped); |
| 205 | |
| 206 | // setup the function to convolve the upscaled output |
| 207 | const PadStrideInfo conv_info(1, 1, 0, 0, 0, 0, DimensionRoundingType::CEIL); |
| 208 | _conv_f.configure(&_scaled_output, &_weights_flipped, bias, output, conv_info); |
| 209 | } |
Pablo Tello | f5f34bb | 2017-08-22 13:34:13 +0100 | [diff] [blame] | 210 | _scaled_output.allocator()->allocate(); |
| 211 | } |
| 212 | |
| 213 | void NEDeconvolutionLayer::run() |
| 214 | { |
Georgios Pinitas | 7221933 | 2018-06-05 14:56:06 +0100 | [diff] [blame] | 215 | prepare(); |
| 216 | |
Georgios Pinitas | da953f2 | 2019-04-02 17:27:03 +0100 | [diff] [blame] | 217 | MemoryGroupResourceScope scope_mg(_memory_group); |
Michalis Spyrou | 780db4e | 2017-11-23 09:49:51 +0000 | [diff] [blame] | 218 | |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 219 | // Permute input |
| 220 | if(!_is_nchw) |
| 221 | { |
| 222 | _permute_input.run(); |
| 223 | } |
| 224 | |
Michalis Spyrou | 33a6990 | 2018-02-23 15:01:52 +0000 | [diff] [blame] | 225 | _upsample_f.run(); |
Georgios Pinitas | 056b5d9 | 2018-02-13 18:50:55 +0000 | [diff] [blame] | 226 | _conv_f.run(); |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 227 | |
| 228 | // Permute output |
| 229 | if(!_is_nchw) |
| 230 | { |
| 231 | _permute_output.run(); |
| 232 | } |
Georgios Pinitas | 7221933 | 2018-06-05 14:56:06 +0100 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | void NEDeconvolutionLayer::prepare() |
| 236 | { |
| 237 | if(!_is_prepared) |
| 238 | { |
Michele Di Giorgio | 061dd36 | 2018-10-17 17:10:27 +0100 | [diff] [blame] | 239 | ARM_COMPUTE_ERROR_ON(!_original_weights->is_used()); |
| 240 | |
| 241 | // Run weights flipping and mark original weights tensor as unused |
Michalis Spyrou | afbc5ff | 2018-10-03 14:18:19 +0100 | [diff] [blame] | 242 | _weights_flipped.allocator()->allocate(); |
Manuel Bottini | d25af67 | 2019-07-10 17:06:12 +0100 | [diff] [blame] | 243 | // Permute weights |
| 244 | if(!_is_nchw) |
| 245 | { |
| 246 | _permute_weights.run(); |
| 247 | } |
Georgios Pinitas | 421405b | 2018-10-26 19:05:32 +0100 | [diff] [blame] | 248 | NEScheduler::get().schedule(&_flip_weights, Window::DimZ); |
Michele Di Giorgio | 061dd36 | 2018-10-17 17:10:27 +0100 | [diff] [blame] | 249 | _original_weights->mark_as_unused(); |
| 250 | |
| 251 | // Prepare convolution |
Georgios Pinitas | 7221933 | 2018-06-05 14:56:06 +0100 | [diff] [blame] | 252 | _conv_f.prepare(); |
Michele Di Giorgio | 061dd36 | 2018-10-17 17:10:27 +0100 | [diff] [blame] | 253 | |
| 254 | if(!_weights_flipped.is_used()) |
| 255 | { |
| 256 | _weights_flipped.allocator()->free(); |
| 257 | } |
| 258 | |
Georgios Pinitas | 7221933 | 2018-06-05 14:56:06 +0100 | [diff] [blame] | 259 | _is_prepared = true; |
| 260 | } |
Michele Di Giorgio | ed5a492 | 2018-09-13 16:22:01 +0100 | [diff] [blame] | 261 | } |
Manuel Bottini | c1b76fa | 2019-06-17 12:04:40 +0100 | [diff] [blame] | 262 | } // namespace arm_compute |