Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2020 Arm Limited. |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [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/CL/functions/CLLSTMLayer.h" |
| 25 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 26 | #include "arm_compute/core/Utils.h" |
| 27 | #include "arm_compute/core/Validate.h" |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 28 | #include "arm_compute/core/utils/misc/InfoHelpers.h" |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 29 | #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| 30 | #include "arm_compute/core/utils/quantization/AsymmHelpers.h" |
| 31 | #include "arm_compute/runtime/CL/CLScheduler.h" |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 32 | #include "src/core/CL/kernels/CLCopyKernel.h" |
| 33 | #include "src/core/CL/kernels/CLDepthConvertLayerKernel.h" |
| 34 | #include "src/core/CL/kernels/CLFillBorderKernel.h" |
| 35 | #include "src/core/CL/kernels/CLGEMMLowpMatrixMultiplyNativeKernel.h" |
| 36 | #include "src/core/CL/kernels/CLGEMMLowpMatrixMultiplyReshapedOnlyRHSKernel.h" |
| 37 | #include "src/core/CL/kernels/CLGEMMLowpOffsetContributionKernel.h" |
| 38 | #include "src/core/CL/kernels/CLGEMMLowpOffsetContributionOutputStageKernel.h" |
| 39 | #include "src/core/CL/kernels/CLGEMMLowpReductionKernel.h" |
| 40 | #include "src/core/CL/kernels/CLGEMMMatrixMultiplyKernel.h" |
| 41 | #include "src/core/CL/kernels/CLGEMMMatrixMultiplyReshapedKernel.h" |
| 42 | #include "src/core/CL/kernels/CLGEMMMatrixMultiplyReshapedOnlyRHSKernel.h" |
| 43 | #include "src/core/CL/kernels/CLGEMMReshapeLHSMatrixKernel.h" |
| 44 | #include "src/core/CL/kernels/CLGEMMReshapeRHSMatrixKernel.h" |
| 45 | #include "src/core/CL/kernels/CLMemsetKernel.h" |
| 46 | #include "src/core/CL/kernels/CLTransposeKernel.h" |
| 47 | #include "support/MemorySupport.h" |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 48 | |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 49 | namespace arm_compute |
| 50 | { |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 51 | using namespace arm_compute::misc::shape_calculator; |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 52 | using namespace arm_compute::utils::info_helpers; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 53 | |
| 54 | CLLSTMLayer::CLLSTMLayer(std::shared_ptr<IMemoryManager> memory_manager) |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 55 | : _memory_group(std::move(memory_manager)), _fully_connected_input_gate(), _accum_input_gate1(), _subtract_input_gate(), _pixelwise_mul_input_gate(), _activation_input_gate(), |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 56 | _fully_connected_forget_gate(), _accum_forget_gate1(), _pixelwise_mul_forget_gate(), _activation_forget_gate(), _fully_connected_cell_state(), _gemm_cell_state1(), |
| 57 | _transpose_cell_state(support::cpp14::make_unique<CLTransposeKernel>()), _accum_cell_state1(), _accum_cell_state2(), _pixelwise_mul_cell_state1(), _activation_cell_state(), _cell_clip(), |
| 58 | _pixelwise_mul_cell_state2(), _fully_connected_output(), _pixelwise_mul_output_state1(), _accum_output1(), _activation_output(), _activation_output_state(), _pixelwise_mul_output_state2(), |
| 59 | _fully_connected_output_state(), _projection_clip(), _copy_cell_state(support::cpp14::make_unique<CLCopyKernel>()), _copy_output(support::cpp14::make_unique<CLCopyKernel>()), _concat_scratch_buffer(), |
| 60 | _concat_inputs_forget_gate(), _concat_weights_forget_gate(), _concat_weights_input_gate(), _concat_weights_output(), _ones_memset_kernel(support::cpp14::make_unique<CLMemsetKernel>()), |
| 61 | _mean_std_norm_input_gate(), _pixelwise_mul_input_gate_coeff(), _accum_input_gate_bias(), _mean_std_norm_forget_gate(), _pixelwise_mul_forget_gate_coeff(), _accum_forget_gate_bias(), |
| 62 | _mean_std_norm_cell_gate(), _pixelwise_mul_cell_gate_coeff(), _accum_cell_gate_bias(), _mean_std_norm_output_gate(), _pixelwise_mul_output_gate_coeff(), _accum_output_gate_bias(), _input_gate_out1(), |
| 63 | _input_gate_out2(), _input_gate_out3(), _input_gate_out4(), _forget_gate_out1(), _forget_gate_out2(), _forget_gate_out3(), _forget_gate_out4(), _forget_gate_out5(), _forget_gate_out6(), |
| 64 | _cell_state_out1(), _cell_state_out2(), _cell_state_out3(), _cell_state_out4(), _cell_state_out5(), _output1(), _output2(), _output3(), _output4(), _cell_state_activation(), _output_state1(), _ones(), |
| 65 | _input_layer_norm_out1(), _input_layer_norm_out2(), _forget_layer_norm_out1(), _forget_layer_norm_out2(), _cell_layer_norm_out1(), _cell_layer_norm_out2(), _output_layer_norm_out1(), |
| 66 | _output_layer_norm_out2(), _run_peephole_opt(false), _run_cifg_opt(false), _perform_cell_clipping(false), _has_projection_weights(false), _perform_projection_clipping(false), _is_prepared(false), |
| 67 | _is_layer_norm_lstm(false) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 68 | { |
| 69 | } |
| 70 | |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 71 | CLLSTMLayer::~CLLSTMLayer() = default; |
| 72 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 73 | void CLLSTMLayer::configure(const ICLTensor *input, |
| 74 | const ICLTensor *input_to_forget_weights, const ICLTensor *input_to_cell_weights, const ICLTensor *input_to_output_weights, |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 75 | const ICLTensor *recurrent_to_forget_weights, const ICLTensor *recurrent_to_cell_weights, const ICLTensor *recurrent_to_output_weights, |
| 76 | const ICLTensor *forget_gate_bias, const ICLTensor *cell_bias, const ICLTensor *output_gate_bias, |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 77 | const ICLTensor *output_state_in, ICLTensor *cell_state_in, |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 78 | ICLTensor *scratch_buffer, ICLTensor *output_state_out, ICLTensor *cell_state_out, ICLTensor *output, |
| 79 | const LSTMParams<ICLTensor> &lstm_params, const ActivationLayerInfo &activation_info, float cell_threshold, float projection_threshold) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 80 | { |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 81 | configure(CLKernelLibrary::get().get_compile_context(), input, input_to_forget_weights, input_to_cell_weights, input_to_output_weights, recurrent_to_forget_weights, recurrent_to_cell_weights, |
| 82 | recurrent_to_output_weights, forget_gate_bias, cell_bias, output_gate_bias, output_state_in, cell_state_in, scratch_buffer, output_state_out, cell_state_out, output, lstm_params, activation_info, |
| 83 | cell_threshold, projection_threshold); |
| 84 | } |
| 85 | |
| 86 | void CLLSTMLayer::configure(const CLCompileContext &compile_context, const ICLTensor *input, |
| 87 | const ICLTensor *input_to_forget_weights, const ICLTensor *input_to_cell_weights, const ICLTensor *input_to_output_weights, |
| 88 | const ICLTensor *recurrent_to_forget_weights, const ICLTensor *recurrent_to_cell_weights, const ICLTensor *recurrent_to_output_weights, |
| 89 | const ICLTensor *forget_gate_bias, const ICLTensor *cell_bias, const ICLTensor *output_gate_bias, |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 90 | const ICLTensor *output_state_in, ICLTensor *cell_state_in, |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 91 | ICLTensor *scratch_buffer, ICLTensor *output_state_out, ICLTensor *cell_state_out, ICLTensor *output, |
| 92 | const LSTMParams<ICLTensor> &lstm_params, const ActivationLayerInfo &activation_info, float cell_threshold, float projection_threshold) |
| 93 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 94 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, |
| 95 | input_to_forget_weights, input_to_cell_weights, input_to_output_weights, |
| 96 | recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights, |
| 97 | forget_gate_bias, cell_bias, output_gate_bias, |
| 98 | output_state_in, cell_state_in, |
| 99 | scratch_buffer, output_state_out, cell_state_out, output); |
| 100 | |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 101 | _is_layer_norm_lstm = lstm_params.use_layer_norm(); |
| 102 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 103 | // Set lstm parameters |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 104 | LSTMParams<ITensorInfo> lstm_params_info{}; |
| 105 | build_lstm_params_tensor_info(lstm_params, &lstm_params_info); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 106 | |
| 107 | // Validate |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 108 | ARM_COMPUTE_ERROR_THROW_ON(CLLSTMLayer::validate(input->info(), input_to_forget_weights->info(), |
| 109 | input_to_cell_weights->info(), input_to_output_weights->info(), |
| 110 | recurrent_to_forget_weights->info(), recurrent_to_cell_weights->info(), recurrent_to_output_weights->info(), |
| 111 | forget_gate_bias->info(), cell_bias->info(), output_gate_bias->info(), |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 112 | output_state_in->info(), cell_state_in->info(), |
| 113 | scratch_buffer->info(), output_state_out->info(), cell_state_out->info(), output->info(), |
| 114 | lstm_params_info, activation_info, cell_threshold, projection_threshold)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 115 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 116 | const TensorShape cell_state_shape = cell_state_in->info()->tensor_shape(); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 117 | // Configure block that calculates the forget gate |
| 118 | // forget_gate = Activation(input * input_to_forget_weights + output_state_in * recurrent_to_forget_weights + PixelWiseMul(cell_state, cell_to_forget_weights) + forget_gate_bias) |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 119 | // We optimize this as follows: |
| 120 | // forget_gate = Activation( (input,output_state_in) * (input_to_forget_weights,recurrent_to_forget_weights) + PixelWiseMul(cell_state, cell_to_forget_weights) + forget_gate_bias |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 121 | _forget_gate_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 122 | _forget_gate_out3.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 123 | _forget_gate_out5.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 124 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 125 | std::vector<const ICLTensor *> inputs_vector; |
| 126 | inputs_vector.emplace_back(input); |
| 127 | inputs_vector.emplace_back(output_state_in); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 128 | const TensorShape concat_shape = arm_compute::misc::shape_calculator::calculate_concatenate_shape(inputs_vector, 0); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 129 | _forget_gate_out2.allocator()->init(TensorInfo(concat_shape, 1, input->info()->data_type())); |
| 130 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 131 | _memory_group.manage(&_forget_gate_out2); |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 132 | _concat_inputs_forget_gate.configure(compile_context, inputs_vector, &_forget_gate_out2, Window::DimX); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 133 | |
| 134 | std::vector<const ICLTensor *> weights_vector; |
| 135 | |
| 136 | weights_vector.emplace_back(input_to_forget_weights); |
| 137 | weights_vector.emplace_back(recurrent_to_forget_weights); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 138 | const TensorShape weights_concat_shape = arm_compute::misc::shape_calculator::calculate_concatenate_shape(weights_vector, 0); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 139 | _forget_gate_out6.allocator()->init(TensorInfo(weights_concat_shape, 1, input->info()->data_type())); |
| 140 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 141 | _concat_weights_forget_gate.configure(compile_context, weights_vector, &_forget_gate_out6, Window::DimX); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 142 | |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 143 | _memory_group.manage(&_forget_gate_out5); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 144 | _fully_connected_forget_gate.configure(compile_context, &_forget_gate_out2, &_forget_gate_out6, (_is_layer_norm_lstm) ? nullptr : forget_gate_bias, &_forget_gate_out5); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 145 | _memory_group.manage(&_forget_gate_out1); |
| 146 | _memory_group.manage(&_forget_gate_out3); |
| 147 | _forget_gate_out6.allocator()->allocate(); |
| 148 | |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 149 | CLTensor *forget_gate_out = &_forget_gate_out5; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 150 | if(lstm_params.has_peephole_opt()) |
| 151 | { |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 152 | _forget_gate_out4.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 153 | |
| 154 | _run_peephole_opt = true; |
| 155 | _memory_group.manage(&_forget_gate_out4); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 156 | _pixelwise_mul_forget_gate.configure(compile_context, cell_state_in, lstm_params.cell_to_forget_weights(), &_forget_gate_out4, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN); |
| 157 | _accum_forget_gate1.configure(compile_context, &_forget_gate_out5, &_forget_gate_out4, &_forget_gate_out3, ConvertPolicy::SATURATE); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 158 | _forget_gate_out4.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 159 | _forget_gate_out5.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 160 | forget_gate_out = &_forget_gate_out3; |
| 161 | } |
| 162 | else |
| 163 | { |
| 164 | _forget_gate_out3.allocator()->allocate(); |
| 165 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 166 | if(_is_layer_norm_lstm) |
| 167 | { |
| 168 | _forget_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 169 | _forget_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 170 | _memory_group.manage(&_forget_layer_norm_out1); |
| 171 | _memory_group.manage(&_forget_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 172 | _mean_std_norm_forget_gate.configure(compile_context, forget_gate_out); |
| 173 | _pixelwise_mul_forget_gate_coeff.configure(compile_context, forget_gate_out, lstm_params.forget_layer_norm_weights(), &_forget_layer_norm_out1, 1, ConvertPolicy::SATURATE, |
| 174 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 175 | // forget_gate_out is going to be reassigned, so allocate the tensor that it was assigned to before |
| 176 | forget_gate_out->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 177 | _accum_forget_gate_bias.configure(compile_context, &_forget_layer_norm_out1, forget_gate_bias, &_forget_layer_norm_out2, ConvertPolicy::SATURATE); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 178 | _forget_layer_norm_out1.allocator()->allocate(); |
| 179 | forget_gate_out = &_forget_layer_norm_out2; |
| 180 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 181 | _activation_forget_gate.configure(compile_context, forget_gate_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 182 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 183 | // Configure block that calculates the input gate |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 184 | // input_gate = Activation(input * input_to_input_weights + output_state * recurrent_to_input_weights + PixelWiseMul(cell_state, cell_to_input_weights) + input_gate_bias), without CIFG |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 185 | // input_gate = 1 - forget_gate, with CIFG |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 186 | // We optimize this as follows: |
| 187 | // input_gate = Activation((input,output_state) * (input_to_input_weights,recurrent_to_input_weights) + PixelWiseMul(cell_state, cell_to_input_weights) + input_gate_bias), without CIFG |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 188 | _input_gate_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 189 | CLTensor *input_gate_out = &_input_gate_out1; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 190 | if(lstm_params.has_cifg_opt()) |
| 191 | { |
| 192 | _memory_group.manage(&_input_gate_out1); |
| 193 | _ones.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 194 | _ones_memset_kernel->configure(compile_context, &_ones, PixelValue(1, _ones.info()->data_type())); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 195 | _subtract_input_gate.configure(compile_context, &_ones, forget_gate_out, &_input_gate_out1, ConvertPolicy::SATURATE); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 196 | _ones.allocator()->allocate(); |
| 197 | _run_cifg_opt = true; |
| 198 | } |
| 199 | else |
| 200 | { |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 201 | _input_gate_out3.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 202 | _input_gate_out4.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 203 | |
| 204 | std::vector<const ICLTensor *> lstm_weights; |
| 205 | lstm_weights.emplace_back(lstm_params.input_to_input_weights()); |
| 206 | lstm_weights.emplace_back(lstm_params.recurrent_to_input_weights()); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 207 | TensorShape lstm_weights_concat_shape = arm_compute::misc::shape_calculator::calculate_concatenate_shape(lstm_weights, 0); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 208 | _input_gate_out2.allocator()->init(TensorInfo(lstm_weights_concat_shape, 1, input->info()->data_type())); |
| 209 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 210 | _concat_weights_input_gate.configure(compile_context, lstm_weights, &_input_gate_out2, Window::DimX); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 211 | |
| 212 | _memory_group.manage(&_input_gate_out1); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 213 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 214 | _memory_group.manage(&_input_gate_out3); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 215 | _fully_connected_input_gate.configure(compile_context, &_forget_gate_out2, &_input_gate_out2, (_is_layer_norm_lstm) ? nullptr : lstm_params.input_gate_bias(), &_input_gate_out3); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 216 | _input_gate_out2.allocator()->allocate(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 217 | |
| 218 | input_gate_out = &_input_gate_out3; |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 219 | if(_run_peephole_opt) |
| 220 | { |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 221 | _memory_group.manage(&_input_gate_out4); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 222 | _pixelwise_mul_input_gate.configure(compile_context, cell_state_in, lstm_params.cell_to_input_weights(), &_input_gate_out4, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN); |
| 223 | _accum_input_gate1.configure(compile_context, &_input_gate_out3, &_input_gate_out4, &_input_gate_out1, ConvertPolicy::SATURATE); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 224 | _input_gate_out3.allocator()->allocate(); |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 225 | _input_gate_out4.allocator()->allocate(); |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 226 | input_gate_out = &_input_gate_out1; |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 227 | } |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 228 | else |
| 229 | { |
| 230 | _input_gate_out1.allocator()->allocate(); |
| 231 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 232 | |
| 233 | if(_is_layer_norm_lstm) |
| 234 | { |
| 235 | _input_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 236 | _input_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 237 | _memory_group.manage(&_input_layer_norm_out1); |
| 238 | _memory_group.manage(&_input_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 239 | _mean_std_norm_input_gate.configure(compile_context, input_gate_out); |
| 240 | _pixelwise_mul_input_gate_coeff.configure(compile_context, input_gate_out, lstm_params.input_layer_norm_weights(), &_input_layer_norm_out1, 1, ConvertPolicy::SATURATE, |
| 241 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 242 | // input_gate_out is going to be reassigned, so allocate the tensor that it was assigned to before |
| 243 | input_gate_out->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 244 | _accum_input_gate_bias.configure(compile_context, &_input_layer_norm_out1, lstm_params.input_gate_bias(), &_input_layer_norm_out2, ConvertPolicy::SATURATE); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 245 | _input_layer_norm_out1.allocator()->allocate(); |
| 246 | input_gate_out = &_input_layer_norm_out2; |
| 247 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 248 | _activation_input_gate.configure(compile_context, input_gate_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 249 | } |
| 250 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 251 | // Configure block that calculates the cell state |
| 252 | // cell_state = Clip((PixelwiseMul(input_gate, Activation(input * input_to_cell_weights + output_state_in * recurrent_to_cell_weights + cell_bias)) + PixelwiseMul(forget_gate, cell_state)), cell_threshold) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 253 | TensorShape cell_state1_shape = compute_transposed_shape(*recurrent_to_output_weights->info()); |
| 254 | _cell_state_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 255 | _cell_state_out2.allocator()->init(TensorInfo(cell_state1_shape, 1, input->info()->data_type())); |
| 256 | _cell_state_out3.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 257 | _cell_state_out4.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 258 | _cell_state_out5.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 259 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 260 | _memory_group.manage(&_cell_state_out1); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 261 | _fully_connected_cell_state.configure(compile_context, input, input_to_cell_weights, (_is_layer_norm_lstm) ? nullptr : cell_bias, &_cell_state_out1); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 262 | _memory_group.manage(&_cell_state_out2); |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 263 | _transpose_cell_state->configure(compile_context, recurrent_to_cell_weights, &_cell_state_out2); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 264 | _memory_group.manage(&_cell_state_out3); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 265 | _gemm_cell_state1.configure(compile_context, output_state_in, &_cell_state_out2, nullptr, &_cell_state_out3, 1.f, 0.f); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 266 | _cell_state_out2.allocator()->allocate(); |
| 267 | _memory_group.manage(&_cell_state_out4); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 268 | _accum_cell_state1.configure(compile_context, &_cell_state_out1, &_cell_state_out3, &_cell_state_out4, ConvertPolicy::SATURATE); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 269 | CLTensor *cell_state_out_ptr = &_cell_state_out4; |
| 270 | if(_is_layer_norm_lstm) |
| 271 | { |
| 272 | _cell_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 273 | _cell_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 274 | _memory_group.manage(&_cell_layer_norm_out1); |
| 275 | _memory_group.manage(&_cell_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 276 | _mean_std_norm_cell_gate.configure(compile_context, cell_state_out_ptr); |
| 277 | _pixelwise_mul_cell_gate_coeff.configure(compile_context, cell_state_out_ptr, lstm_params.cell_layer_norm_weights(), &_cell_layer_norm_out1, 1, ConvertPolicy::SATURATE, |
| 278 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 279 | // cell_state_out_ptr is going to be reassigned, so allocate the tensor that it was assigned to before |
| 280 | cell_state_out_ptr->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 281 | _accum_cell_gate_bias.configure(compile_context, &_cell_layer_norm_out1, cell_bias, &_cell_layer_norm_out2, ConvertPolicy::SATURATE); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 282 | _cell_layer_norm_out1.allocator()->allocate(); |
| 283 | cell_state_out_ptr = &_cell_layer_norm_out2; |
| 284 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 285 | _activation_cell_state.configure(compile_context, cell_state_out_ptr, nullptr, activation_info); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 286 | _memory_group.manage(&_cell_state_out5); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 287 | _pixelwise_mul_cell_state1.configure(compile_context, cell_state_out_ptr, input_gate_out, &_cell_state_out5, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 288 | cell_state_out_ptr->allocator()->allocate(); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 289 | _pixelwise_mul_cell_state2.configure(compile_context, forget_gate_out, cell_state_in, &_cell_state_out3, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 290 | _accum_cell_state2.configure(compile_context, &_cell_state_out5, &_cell_state_out3, &_cell_state_out1, ConvertPolicy::SATURATE); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 291 | _cell_state_out3.allocator()->allocate(); |
| 292 | _cell_state_out5.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 293 | // Perform clipping |
| 294 | if(cell_threshold != 0.f) |
| 295 | { |
| 296 | _perform_cell_clipping = true; |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 297 | _cell_clip.configure(compile_context, &_cell_state_out1, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -cell_threshold, cell_threshold)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 298 | } |
| 299 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 300 | // Configure block that calculates the output |
| 301 | // output_state_out = Activation(input * input_to_output_weights + output_state_in * recurrent_to_output_weights + PixelWiseMul(cell_state, cell_to_output_weights) + output_gate_bias) |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 302 | // We optimize this as follows: |
| 303 | // output_state_out = Activation( (input,output_state_in) * (input_to_output_weights, recurrent_to_output_weights) + PixelWiseMul(cell_state, cell_to_output_weights) + output_gate_bias) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 304 | _output1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 305 | _output4.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 306 | std::vector<const ICLTensor *> in_out_weights; |
| 307 | in_out_weights.emplace_back(input_to_output_weights); |
| 308 | in_out_weights.emplace_back(recurrent_to_output_weights); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 309 | TensorShape in_out_weights_concat_shape = arm_compute::misc::shape_calculator::calculate_concatenate_shape(in_out_weights, 0); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 310 | _output2.allocator()->init(TensorInfo(in_out_weights_concat_shape, 1, input->info()->data_type())); |
| 311 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 312 | _concat_weights_output.configure(compile_context, in_out_weights, &_output2, Window::DimX); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 313 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 314 | _memory_group.manage(&_output1); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 315 | _memory_group.manage(&_output4); |
| 316 | |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 317 | _fully_connected_output.configure(compile_context, &_forget_gate_out2, &_output2, (_is_layer_norm_lstm) ? nullptr : output_gate_bias, &_output4); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 318 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 319 | _output2.allocator()->allocate(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 320 | _forget_gate_out2.allocator()->allocate(); |
| 321 | |
| 322 | CLTensor *output_gate_out = &_output4; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 323 | if(lstm_params.has_peephole_opt()) |
| 324 | { |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 325 | _output3.allocator()->init(TensorInfo(_cell_state_out1.info()->tensor_shape(), 1, input->info()->data_type())); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 326 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 327 | _memory_group.manage(&_output3); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 328 | _pixelwise_mul_output_state1.configure(compile_context, &_cell_state_out1, lstm_params.cell_to_output_weights(), &_output3, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN); |
| 329 | _accum_output1.configure(compile_context, &_output4, &_output3, &_output1, ConvertPolicy::SATURATE); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 330 | _output4.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 331 | output_gate_out = &_output1; |
| 332 | |
| 333 | // Allocate intermediate buffers |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 334 | _output3.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 335 | } |
| 336 | else |
| 337 | { |
| 338 | _output1.allocator()->allocate(); |
| 339 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 340 | if(_is_layer_norm_lstm) |
| 341 | { |
| 342 | _output_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 343 | _output_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 344 | _memory_group.manage(&_output_layer_norm_out1); |
| 345 | _memory_group.manage(&_output_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 346 | _mean_std_norm_output_gate.configure(compile_context, output_gate_out); |
| 347 | _pixelwise_mul_output_gate_coeff.configure(compile_context, output_gate_out, lstm_params.output_layer_norm_weights(), &_output_layer_norm_out1, 1, ConvertPolicy::SATURATE, |
| 348 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 349 | // output_gate_out is going to be reassigned, so allocate the tensor that it was assigned to before |
| 350 | output_gate_out->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 351 | _accum_output_gate_bias.configure(compile_context, &_output_layer_norm_out1, output_gate_bias, &_output_layer_norm_out2, ConvertPolicy::SATURATE); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 352 | _output_layer_norm_out1.allocator()->allocate(); |
| 353 | output_gate_out = &_output_layer_norm_out2; |
| 354 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 355 | _activation_output.configure(compile_context, output_gate_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 356 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 357 | // Configure block that calculates the output state |
| 358 | /** lstm_res = PixelwiseMul(output, Activation(cell_state)) |
| 359 | * |
| 360 | * -- Clip(lstm_res * projection_weights + projection_bias, projection_threshold) , if there is a projection |
| 361 | * / |
| 362 | * output_state = -- |
| 363 | * \ |
| 364 | * -- lstm_res , otherwise |
| 365 | */ |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 366 | ICLTensor *output_state_out_tmp = lstm_params.has_projection() ? &_output_state1 : output_state_out; |
| 367 | _cell_state_activation.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 368 | _output_state1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 369 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 370 | _memory_group.manage(&_cell_state_activation); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 371 | _activation_output_state.configure(compile_context, &_cell_state_out1, &_cell_state_activation, activation_info); |
| 372 | _pixelwise_mul_output_state2.configure(compile_context, &_cell_state_activation, output_gate_out, output_state_out_tmp, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 373 | _cell_state_activation.allocator()->allocate(); |
| 374 | |
| 375 | if(lstm_params.has_projection()) |
| 376 | { |
| 377 | _has_projection_weights = true; |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 378 | _fully_connected_output_state.configure(compile_context, output_state_out_tmp, lstm_params.projection_weights(), lstm_params.projection_bias(), output_state_out); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 379 | _output_state1.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 380 | // Perform clipping |
| 381 | if(projection_threshold != 0.f) |
| 382 | { |
| 383 | _perform_projection_clipping = true; |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 384 | _projection_clip.configure(compile_context, output_state_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -projection_threshold, projection_threshold)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 385 | } |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | // Copy cell state and output |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 389 | _copy_cell_state->configure(compile_context, &_cell_state_out1, cell_state_out); |
| 390 | _copy_output->configure(compile_context, output_state_out, output); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 391 | |
| 392 | // Vector for holding the tensors to store in scratch buffer |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 393 | std::vector<const ICLTensor *> scratch_inputs; |
Georgios Pinitas | 0cc37c3 | 2018-11-14 15:54:26 +0000 | [diff] [blame] | 394 | if(!lstm_params.has_cifg_opt()) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 395 | { |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 396 | scratch_inputs.emplace_back(input_gate_out); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 397 | } |
| 398 | scratch_inputs.emplace_back(&_cell_state_out1); |
| 399 | scratch_inputs.emplace_back(forget_gate_out); |
| 400 | scratch_inputs.emplace_back(output_gate_out); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 401 | _concat_scratch_buffer.configure(compile_context, scratch_inputs, scratch_buffer, Window::DimX); |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 402 | input_gate_out->allocator()->allocate(); |
Michele Di Giorgio | dd2619a | 2018-11-05 16:46:09 +0000 | [diff] [blame] | 403 | _cell_state_out1.allocator()->allocate(); |
| 404 | forget_gate_out->allocator()->allocate(); |
| 405 | output_gate_out->allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 406 | } |
| 407 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 408 | Status CLLSTMLayer::validate(const ITensorInfo *input, |
| 409 | const ITensorInfo *input_to_forget_weights, const ITensorInfo *input_to_cell_weights, const ITensorInfo *input_to_output_weights, |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 410 | const ITensorInfo *recurrent_to_forget_weights, const ITensorInfo *recurrent_to_cell_weights, const ITensorInfo *recurrent_to_output_weights, |
| 411 | const ITensorInfo *forget_gate_bias, const ITensorInfo *cell_bias, const ITensorInfo *output_gate_bias, |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 412 | const ITensorInfo *output_state_in, const ITensorInfo *cell_state_in, |
| 413 | const ITensorInfo *scratch_buffer, const ITensorInfo *output_state_out, const ITensorInfo *cell_state_out, const ITensorInfo *output, |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 414 | const LSTMParams<ITensorInfo> &lstm_params, const ActivationLayerInfo &activation_info, float cell_threshold, float projection_threshold) |
| 415 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 416 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, |
| 417 | input_to_forget_weights, input_to_cell_weights, input_to_output_weights, |
| 418 | recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights, |
| 419 | forget_gate_bias, cell_bias, output_gate_bias, |
| 420 | output_state_in, cell_state_in, |
| 421 | scratch_buffer, output_state_out, cell_state_out, output); |
| 422 | |
| 423 | // Check data types |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 424 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 425 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, |
| 426 | input_to_forget_weights, input_to_cell_weights, input_to_output_weights, |
| 427 | recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights, |
| 428 | forget_gate_bias, cell_bias, output_gate_bias, |
| 429 | output_state_in, cell_state_in, |
| 430 | scratch_buffer, output_state_out, cell_state_out, output); |
| 431 | |
| 432 | // Check dimensions |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 433 | ARM_COMPUTE_RETURN_ERROR_ON(input->num_dimensions() > 2); |
| 434 | ARM_COMPUTE_RETURN_ERROR_ON(input_to_forget_weights->num_dimensions() > 2); |
| 435 | ARM_COMPUTE_RETURN_ERROR_ON(input_to_cell_weights->num_dimensions() > 2); |
| 436 | ARM_COMPUTE_RETURN_ERROR_ON(input_to_output_weights->num_dimensions() > 2); |
| 437 | ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_forget_weights->num_dimensions() > 2); |
| 438 | ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_cell_weights->num_dimensions() > 2); |
| 439 | ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_output_weights->num_dimensions() > 2); |
| 440 | ARM_COMPUTE_RETURN_ERROR_ON(forget_gate_bias->num_dimensions() > 1); |
| 441 | ARM_COMPUTE_RETURN_ERROR_ON(cell_bias->num_dimensions() > 1); |
| 442 | ARM_COMPUTE_RETURN_ERROR_ON(output_gate_bias->num_dimensions() > 1); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 443 | ARM_COMPUTE_RETURN_ERROR_ON(output_state_in->num_dimensions() > 2); |
| 444 | ARM_COMPUTE_RETURN_ERROR_ON(cell_state_in->num_dimensions() > 2); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 445 | ARM_COMPUTE_RETURN_ERROR_ON(scratch_buffer->num_dimensions() > 2); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 446 | ARM_COMPUTE_RETURN_ERROR_ON(output_state_out->num_dimensions() > 2); |
| 447 | ARM_COMPUTE_RETURN_ERROR_ON(cell_state_out->num_dimensions() > 2); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 448 | ARM_COMPUTE_RETURN_ERROR_ON(output->num_dimensions() > 2); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 449 | ARM_COMPUTE_RETURN_ERROR_ON(cell_bias->dimension(0) * 4 != scratch_buffer->dimension(0) |
| 450 | && cell_bias->dimension(0) * 3 != scratch_buffer->dimension(0)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 451 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 452 | const unsigned int num_batches = input->dimension(1); |
| 453 | const unsigned int num_cells = input_to_output_weights->dimension(1); |
| 454 | |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 455 | if(lstm_params.use_layer_norm()) |
| 456 | { |
| 457 | // If CIFG is used, input layer normalization weights tensor is omitted |
| 458 | if(lstm_params.has_cifg_opt()) |
| 459 | { |
| 460 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.input_layer_norm_weights() != nullptr); |
| 461 | } |
| 462 | else |
| 463 | { |
| 464 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.input_layer_norm_weights()); |
| 465 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.input_layer_norm_weights()->num_dimensions() > 1); |
Sang-Hoon Park | d5c020a | 2020-05-06 21:01:19 +0100 | [diff] [blame] | 466 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.input_layer_norm_weights()->dimension(0) != num_cells); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 467 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, lstm_params.input_layer_norm_weights()); |
| 468 | } |
| 469 | |
| 470 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.forget_layer_norm_weights(), lstm_params.cell_layer_norm_weights(), lstm_params.output_layer_norm_weights()); |
| 471 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, lstm_params.forget_layer_norm_weights(), lstm_params.cell_layer_norm_weights(), lstm_params.output_layer_norm_weights()); |
| 472 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.forget_layer_norm_weights()->num_dimensions() > 1); |
| 473 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_layer_norm_weights()->num_dimensions() > 1); |
| 474 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.output_layer_norm_weights()->num_dimensions() > 1); |
Sang-Hoon Park | d5c020a | 2020-05-06 21:01:19 +0100 | [diff] [blame] | 475 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.forget_layer_norm_weights()->dimension(0) != num_cells); |
| 476 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_layer_norm_weights()->dimension(0) != num_cells); |
| 477 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.output_layer_norm_weights()->dimension(0) != num_cells); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 478 | } |
| 479 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 480 | // Check peephole optimization |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 481 | if(lstm_params.has_peephole_opt()) |
| 482 | { |
Michalis Spyrou | 09daf4d | 2018-06-28 17:07:22 +0100 | [diff] [blame] | 483 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.cell_to_output_weights(), lstm_params.cell_to_forget_weights()); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 484 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_to_forget_weights()->num_dimensions() > 1); |
| 485 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_to_output_weights()->num_dimensions() > 1); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | TensorShape units_out_transposed_shape = compute_transposed_shape(*recurrent_to_output_weights); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 489 | TensorShape num_units_transposed_shape = compute_transposed_shape(*forget_gate_bias); |
| 490 | const TensorInfo units_out_transposed_info = TensorInfo(units_out_transposed_shape, 1, input->data_type()); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 491 | const TensorInfo num_units_transposed_info = TensorInfo(num_units_transposed_shape, 1, input->data_type()); |
| 492 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 493 | TensorInfo input_gate = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 494 | TensorInfo forget_gate = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 495 | TensorInfo output_gate_tmp = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 496 | TensorInfo cell_state_tmp = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 497 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 498 | // Validate forget gate |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 499 | ARM_COMPUTE_RETURN_ON_ERROR(CLFullyConnectedLayer::validate(input, input_to_forget_weights, (lstm_params.use_layer_norm()) ? nullptr : forget_gate_bias, &forget_gate)); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 500 | |
| 501 | std::vector<const ITensorInfo *> inputs_vector; |
| 502 | inputs_vector.emplace_back(input); |
| 503 | inputs_vector.emplace_back(output_state_in); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 504 | const TensorShape concat_shape = arm_compute::misc::shape_calculator::calculate_concatenate_shape(inputs_vector, 0); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 505 | TensorInfo forget_gate_concat = TensorInfo(concat_shape, 1, input->data_type()); |
| 506 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 507 | ARM_COMPUTE_RETURN_ON_ERROR(CLConcatenateLayer::validate(inputs_vector, &forget_gate_concat, Window::DimX)); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 508 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 509 | if(lstm_params.has_peephole_opt()) |
| 510 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 511 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(cell_state_in, lstm_params.cell_to_forget_weights(), &forget_gate, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 512 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&forget_gate, &forget_gate, &forget_gate, ConvertPolicy::SATURATE)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 513 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 514 | if(lstm_params.use_layer_norm()) |
| 515 | { |
| 516 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&forget_gate)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 517 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&forget_gate, lstm_params.forget_layer_norm_weights(), &forget_gate, 1, ConvertPolicy::SATURATE, |
| 518 | RoundingPolicy::TO_NEAREST_EVEN)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 519 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&forget_gate, forget_gate_bias, &forget_gate, ConvertPolicy::SATURATE)); |
| 520 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 521 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&forget_gate, &forget_gate, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC))); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 522 | |
| 523 | // Validate input gate |
| 524 | if(!lstm_params.has_cifg_opt()) |
| 525 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 526 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.input_to_input_weights(), |
| 527 | lstm_params.recurrent_to_input_weights(), |
| 528 | lstm_params.input_gate_bias()); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 529 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.input_to_input_weights()->num_dimensions() > 2); |
| 530 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.recurrent_to_input_weights()->num_dimensions() > 2); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 531 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.input_gate_bias()->num_dimensions() > 1); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 532 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 533 | std::vector<const ITensorInfo *> lstm_weights; |
| 534 | lstm_weights.emplace_back(lstm_params.input_to_input_weights()); |
| 535 | lstm_weights.emplace_back(lstm_params.recurrent_to_input_weights()); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 536 | TensorShape lstm_weights_concat_shape = arm_compute::misc::shape_calculator::calculate_concatenate_shape(lstm_weights, 0); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 537 | TensorInfo lstm_gate_concat = TensorInfo(lstm_weights_concat_shape, 1, input->data_type()); |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 538 | ARM_COMPUTE_RETURN_ON_ERROR(CLConcatenateLayer::validate(lstm_weights, &lstm_gate_concat, Window::DimX)); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 539 | |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 540 | ARM_COMPUTE_RETURN_ON_ERROR(CLFullyConnectedLayer::validate(input, lstm_params.input_to_input_weights(), (lstm_params.use_layer_norm()) ? nullptr : lstm_params.input_gate_bias(), &input_gate)); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 541 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 542 | if(lstm_params.has_peephole_opt()) |
| 543 | { |
| 544 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.cell_to_input_weights()); |
| 545 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_to_input_weights()->num_dimensions() > 1); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 546 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(cell_state_in, lstm_params.cell_to_input_weights(), &input_gate, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 547 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&input_gate, &input_gate, &input_gate, ConvertPolicy::SATURATE)); |
| 548 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 549 | |
| 550 | if(lstm_params.use_layer_norm()) |
| 551 | { |
| 552 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&input_gate)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 553 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&input_gate, lstm_params.input_layer_norm_weights(), &input_gate, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 554 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&input_gate, lstm_params.input_gate_bias(), &input_gate, ConvertPolicy::SATURATE)); |
| 555 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 556 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&input_gate, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC))); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 557 | } |
| 558 | else |
| 559 | { |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 560 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticSubtraction::validate(&forget_gate, &forget_gate, &forget_gate, ConvertPolicy::SATURATE)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 561 | } |
| 562 | |
| 563 | // Validate cell state |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 564 | ARM_COMPUTE_RETURN_ON_ERROR(CLFullyConnectedLayer::validate(input, input_to_cell_weights, (lstm_params.use_layer_norm()) ? nullptr : cell_bias, &cell_state_tmp)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 565 | ARM_COMPUTE_RETURN_ON_ERROR(CLGEMM::validate(output_state_in, &units_out_transposed_info, nullptr, &cell_state_tmp, 1.f, 0.f, GEMMInfo())); |
| 566 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&cell_state_tmp, &cell_state_tmp, &cell_state_tmp, ConvertPolicy::SATURATE)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 567 | if(lstm_params.use_layer_norm()) |
| 568 | { |
| 569 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&cell_state_tmp)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 570 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, lstm_params.cell_layer_norm_weights(), &cell_state_tmp, 1, ConvertPolicy::SATURATE, |
| 571 | RoundingPolicy::TO_NEAREST_EVEN)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 572 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&cell_state_tmp, cell_bias, &cell_state_tmp, ConvertPolicy::SATURATE)); |
| 573 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 574 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&cell_state_tmp, nullptr, activation_info)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 575 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, &input_gate, &cell_state_tmp, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN)); |
| 576 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, &forget_gate, &cell_state_tmp, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 577 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&cell_state_tmp, &cell_state_tmp, &cell_state_tmp, ConvertPolicy::SATURATE)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 578 | if(cell_threshold != 0.f) |
| 579 | { |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 580 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&cell_state_tmp, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -cell_threshold, |
| 581 | cell_threshold))); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 582 | } |
| 583 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 584 | std::vector<const ITensorInfo *> in_out_weights; |
| 585 | in_out_weights.emplace_back(input_to_output_weights); |
| 586 | in_out_weights.emplace_back(recurrent_to_output_weights); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 587 | TensorShape in_out_weights_concat_shape = arm_compute::misc::shape_calculator::calculate_concatenate_shape(in_out_weights, 0); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 588 | TensorInfo in_out_gate_concat = TensorInfo(in_out_weights_concat_shape, 1, input->data_type()); |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 589 | ARM_COMPUTE_RETURN_ON_ERROR(CLConcatenateLayer::validate(in_out_weights, &in_out_gate_concat, Window::DimX)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 590 | // Validate output gate tmp |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 591 | ARM_COMPUTE_RETURN_ON_ERROR(CLFullyConnectedLayer::validate(input, input_to_output_weights, (lstm_params.use_layer_norm()) ? nullptr : output_gate_bias, &output_gate_tmp)); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 592 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 593 | if(lstm_params.has_peephole_opt()) |
| 594 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 595 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, lstm_params.cell_to_output_weights(), &output_gate_tmp, 1, ConvertPolicy::SATURATE, |
| 596 | RoundingPolicy::TO_NEAREST_EVEN)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 597 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&output_gate_tmp, &output_gate_tmp, &output_gate_tmp, ConvertPolicy::SATURATE)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 598 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 599 | if(lstm_params.use_layer_norm()) |
| 600 | { |
| 601 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&output_gate_tmp)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 602 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&output_gate_tmp, lstm_params.output_layer_norm_weights(), &output_gate_tmp, 1, ConvertPolicy::SATURATE, |
| 603 | RoundingPolicy::TO_NEAREST_EVEN)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 604 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&output_gate_tmp, output_gate_bias, &output_gate_tmp, ConvertPolicy::SATURATE)); |
| 605 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 606 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&output_gate_tmp, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC))); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 607 | |
| 608 | // Validate output state |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 609 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&cell_state_tmp, &cell_state_tmp, activation_info)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 610 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, &output_gate_tmp, &output_gate_tmp, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 611 | if(lstm_params.has_projection()) |
| 612 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 613 | ARM_COMPUTE_RETURN_ON_ERROR(CLFullyConnectedLayer::validate(&output_gate_tmp, lstm_params.projection_weights(), lstm_params.projection_bias(), output_state_out)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 614 | if(projection_threshold != 0.f) |
| 615 | { |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 616 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(output_state_out, output_state_out, |
| 617 | ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -projection_threshold, projection_threshold))); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 618 | } |
| 619 | } |
| 620 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 621 | // Validate copy kernel |
| 622 | ARM_COMPUTE_RETURN_ON_ERROR(CLCopyKernel::validate(&cell_state_tmp, cell_state_out)); |
| 623 | ARM_COMPUTE_RETURN_ON_ERROR(CLCopyKernel::validate(output_state_out, output)); |
| 624 | |
| 625 | // Validate scratch concatenation |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 626 | std::vector<const ITensorInfo *> inputs_vector_info_raw; |
Georgios Pinitas | 0cc37c3 | 2018-11-14 15:54:26 +0000 | [diff] [blame] | 627 | if(!lstm_params.has_cifg_opt()) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 628 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 629 | inputs_vector_info_raw.push_back(&input_gate); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 630 | } |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 631 | inputs_vector_info_raw.push_back(&cell_state_tmp); |
| 632 | inputs_vector_info_raw.push_back(&forget_gate); |
| 633 | inputs_vector_info_raw.push_back(&output_gate_tmp); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 634 | |
Georgios Pinitas | 09f2497 | 2019-05-17 18:14:40 +0100 | [diff] [blame] | 635 | ARM_COMPUTE_RETURN_ON_ERROR(CLConcatenateLayer::validate(inputs_vector_info_raw, scratch_buffer, Window::DimX)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 636 | return Status{}; |
| 637 | } |
| 638 | |
| 639 | void CLLSTMLayer::run() |
| 640 | { |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 641 | prepare(); |
| 642 | |
Georgios Pinitas | da953f2 | 2019-04-02 17:27:03 +0100 | [diff] [blame] | 643 | MemoryGroupResourceScope scope_mg(_memory_group); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 644 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 645 | _concat_inputs_forget_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 646 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 647 | _fully_connected_forget_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 648 | |
| 649 | if(_run_peephole_opt) |
| 650 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 651 | _pixelwise_mul_forget_gate.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 652 | _accum_forget_gate1.run(); |
| 653 | } |
| 654 | if(_is_layer_norm_lstm) |
| 655 | { |
| 656 | _mean_std_norm_forget_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 657 | _pixelwise_mul_forget_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 658 | _accum_forget_gate_bias.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 659 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 660 | _activation_forget_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 661 | |
| 662 | if(_run_cifg_opt) |
| 663 | { |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 664 | CLScheduler::get().enqueue(*_ones_memset_kernel); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 665 | _subtract_input_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 666 | } |
| 667 | else |
| 668 | { |
| 669 | _fully_connected_input_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 670 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 671 | if(_run_peephole_opt) |
| 672 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 673 | _pixelwise_mul_input_gate.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 674 | _accum_input_gate1.run(); |
| 675 | } |
| 676 | |
| 677 | if(_is_layer_norm_lstm) |
| 678 | { |
| 679 | _mean_std_norm_input_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 680 | _pixelwise_mul_input_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 681 | _accum_input_gate_bias.run(); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 682 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 683 | _activation_input_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | _fully_connected_cell_state.run(); |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 687 | CLScheduler::get().enqueue(*_transpose_cell_state); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 688 | _gemm_cell_state1.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 689 | _accum_cell_state1.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 690 | if(_is_layer_norm_lstm) |
| 691 | { |
| 692 | _mean_std_norm_cell_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 693 | _pixelwise_mul_cell_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 694 | _accum_cell_gate_bias.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 695 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 696 | _activation_cell_state.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 697 | _pixelwise_mul_cell_state1.run(); |
| 698 | _pixelwise_mul_cell_state2.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 699 | _accum_cell_state2.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 700 | |
| 701 | if(_perform_cell_clipping) |
| 702 | { |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 703 | _cell_clip.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | _fully_connected_output.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 707 | |
| 708 | if(_run_peephole_opt) |
| 709 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 710 | _pixelwise_mul_output_state1.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 711 | _accum_output1.run(); |
| 712 | } |
| 713 | if(_is_layer_norm_lstm) |
| 714 | { |
| 715 | _mean_std_norm_output_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 716 | _pixelwise_mul_output_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 717 | _accum_output_gate_bias.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 718 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 719 | _activation_output.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 720 | |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 721 | _activation_output_state.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 722 | _pixelwise_mul_output_state2.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 723 | |
| 724 | if(_has_projection_weights) |
| 725 | { |
| 726 | _fully_connected_output_state.run(); |
| 727 | if(_perform_projection_clipping) |
| 728 | { |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 729 | _projection_clip.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 730 | } |
| 731 | } |
| 732 | |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame^] | 733 | CLScheduler::get().enqueue(*_copy_cell_state); |
| 734 | CLScheduler::get().enqueue(*_copy_output); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 735 | |
| 736 | _concat_scratch_buffer.run(); |
giuros01 | 164a272 | 2018-11-20 18:34:46 +0000 | [diff] [blame] | 737 | } |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 738 | |
| 739 | void CLLSTMLayer::prepare() |
| 740 | { |
| 741 | if(!_is_prepared) |
| 742 | { |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 743 | _concat_weights_forget_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 744 | if(!_run_cifg_opt) |
| 745 | { |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 746 | _concat_weights_input_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 747 | } |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 748 | _concat_weights_output.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 749 | _is_prepared = true; |
| 750 | } |
| 751 | } |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 752 | } // namespace arm_compute |