Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 1 | /* |
Sheri Zhang | 7e20e29 | 2021-02-02 11:49:34 +0000 | [diff] [blame] | 2 | * Copyright (c) 2018-2021 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/CLFillBorderKernel.h" |
Georgios Pinitas | 7891a73 | 2021-08-20 21:39:25 +0100 | [diff] [blame] | 33 | #include "src/gpu/cl/kernels/ClTransposeKernel.h" |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 34 | |
ramelg01 | 6d89157 | 2021-09-29 10:05:09 +0100 | [diff] [blame] | 35 | #include "src/common/utils/Log.h" |
| 36 | |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 37 | namespace arm_compute |
| 38 | { |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 39 | using namespace arm_compute::misc::shape_calculator; |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 40 | using namespace arm_compute::utils::info_helpers; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 41 | |
| 42 | CLLSTMLayer::CLLSTMLayer(std::shared_ptr<IMemoryManager> memory_manager) |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 43 | : _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] | 44 | _fully_connected_forget_gate(), _accum_forget_gate1(), _pixelwise_mul_forget_gate(), _activation_forget_gate(), _fully_connected_cell_state(), _gemm_cell_state1(), |
Teresa Charlin | 2788609 | 2021-02-25 20:15:01 +0000 | [diff] [blame] | 45 | _transpose_cell_state(std::make_unique<opencl::kernels::ClTransposeKernel>()), _accum_cell_state1(), _accum_cell_state2(), _pixelwise_mul_cell_state1(), _activation_cell_state(), _cell_clip(), |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 46 | _pixelwise_mul_cell_state2(), _fully_connected_output(), _pixelwise_mul_output_state1(), _accum_output1(), _activation_output(), _activation_output_state(), _pixelwise_mul_output_state2(), |
Sheri Zhang | 7e20e29 | 2021-02-02 11:49:34 +0000 | [diff] [blame] | 47 | _fully_connected_output_state(), _projection_clip(), _copy_cell_state(), _copy_output(), _concat_scratch_buffer(), _concat_inputs_forget_gate(), _concat_weights_forget_gate(), |
| 48 | _concat_weights_input_gate(), _concat_weights_output(), _ones_fill(), _mean_std_norm_input_gate(), _pixelwise_mul_input_gate_coeff(), _accum_input_gate_bias(), _mean_std_norm_forget_gate(), |
| 49 | _pixelwise_mul_forget_gate_coeff(), _accum_forget_gate_bias(), _mean_std_norm_cell_gate(), _pixelwise_mul_cell_gate_coeff(), _accum_cell_gate_bias(), _mean_std_norm_output_gate(), |
| 50 | _pixelwise_mul_output_gate_coeff(), _accum_output_gate_bias(), _input_gate_out1(), _input_gate_out2(), _input_gate_out3(), _input_gate_out4(), _forget_gate_out1(), _forget_gate_out2(), |
| 51 | _forget_gate_out3(), _forget_gate_out4(), _forget_gate_out5(), _forget_gate_out6(), _cell_state_out1(), _cell_state_out2(), _cell_state_out3(), _cell_state_out4(), _cell_state_out5(), _output1(), |
| 52 | _output2(), _output3(), _output4(), _cell_state_activation(), _output_state1(), _ones(), _input_layer_norm_out1(), _input_layer_norm_out2(), _forget_layer_norm_out1(), _forget_layer_norm_out2(), |
| 53 | _cell_layer_norm_out1(), _cell_layer_norm_out2(), _output_layer_norm_out1(), _output_layer_norm_out2(), _run_peephole_opt(false), _run_cifg_opt(false), _perform_cell_clipping(false), |
| 54 | _has_projection_weights(false), _perform_projection_clipping(false), _is_prepared(false), _is_layer_norm_lstm(false) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 55 | { |
| 56 | } |
| 57 | |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 58 | CLLSTMLayer::~CLLSTMLayer() = default; |
| 59 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 60 | void CLLSTMLayer::configure(const ICLTensor *input, |
| 61 | 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] | 62 | const ICLTensor *recurrent_to_forget_weights, const ICLTensor *recurrent_to_cell_weights, const ICLTensor *recurrent_to_output_weights, |
| 63 | 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] | 64 | const ICLTensor *output_state_in, ICLTensor *cell_state_in, |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 65 | ICLTensor *scratch_buffer, ICLTensor *output_state_out, ICLTensor *cell_state_out, ICLTensor *output, |
| 66 | 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] | 67 | { |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 68 | 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, |
| 69 | 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, |
| 70 | cell_threshold, projection_threshold); |
| 71 | } |
| 72 | |
| 73 | void CLLSTMLayer::configure(const CLCompileContext &compile_context, const ICLTensor *input, |
| 74 | const ICLTensor *input_to_forget_weights, const ICLTensor *input_to_cell_weights, const ICLTensor *input_to_output_weights, |
| 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, |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +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) |
| 80 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 81 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, |
| 82 | input_to_forget_weights, input_to_cell_weights, input_to_output_weights, |
| 83 | recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights, |
| 84 | forget_gate_bias, cell_bias, output_gate_bias, |
| 85 | output_state_in, cell_state_in, |
| 86 | scratch_buffer, output_state_out, cell_state_out, output); |
| 87 | |
ramelg01 | 6d89157 | 2021-09-29 10:05:09 +0100 | [diff] [blame] | 88 | ARM_COMPUTE_LOG_PARAMS(input, input_to_forget_weights, input_to_cell_weights, input_to_output_weights, recurrent_to_forget_weights, recurrent_to_cell_weights, |
| 89 | 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, |
| 90 | output, lstm_params, activation_info, cell_threshold, projection_threshold); |
| 91 | |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 92 | _is_layer_norm_lstm = lstm_params.use_layer_norm(); |
| 93 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 94 | // Set lstm parameters |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 95 | LSTMParams<ITensorInfo> lstm_params_info{}; |
| 96 | build_lstm_params_tensor_info(lstm_params, &lstm_params_info); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 97 | |
| 98 | // Validate |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 99 | ARM_COMPUTE_ERROR_THROW_ON(CLLSTMLayer::validate(input->info(), input_to_forget_weights->info(), |
| 100 | input_to_cell_weights->info(), input_to_output_weights->info(), |
| 101 | recurrent_to_forget_weights->info(), recurrent_to_cell_weights->info(), recurrent_to_output_weights->info(), |
| 102 | forget_gate_bias->info(), cell_bias->info(), output_gate_bias->info(), |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 103 | output_state_in->info(), cell_state_in->info(), |
| 104 | scratch_buffer->info(), output_state_out->info(), cell_state_out->info(), output->info(), |
| 105 | lstm_params_info, activation_info, cell_threshold, projection_threshold)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 106 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 107 | const TensorShape cell_state_shape = cell_state_in->info()->tensor_shape(); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 108 | // Configure block that calculates the forget gate |
| 109 | // 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] | 110 | // We optimize this as follows: |
| 111 | // 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] | 112 | _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] | 113 | _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] | 114 | _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] | 115 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 116 | std::vector<const ICLTensor *> inputs_vector; |
| 117 | inputs_vector.emplace_back(input); |
| 118 | inputs_vector.emplace_back(output_state_in); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 119 | 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] | 120 | _forget_gate_out2.allocator()->init(TensorInfo(concat_shape, 1, input->info()->data_type())); |
| 121 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 122 | _memory_group.manage(&_forget_gate_out2); |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 123 | _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] | 124 | |
| 125 | std::vector<const ICLTensor *> weights_vector; |
| 126 | |
| 127 | weights_vector.emplace_back(input_to_forget_weights); |
| 128 | weights_vector.emplace_back(recurrent_to_forget_weights); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 129 | 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] | 130 | _forget_gate_out6.allocator()->init(TensorInfo(weights_concat_shape, 1, input->info()->data_type())); |
| 131 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 132 | _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] | 133 | |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 134 | _memory_group.manage(&_forget_gate_out5); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 135 | _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] | 136 | _memory_group.manage(&_forget_gate_out1); |
| 137 | _memory_group.manage(&_forget_gate_out3); |
| 138 | _forget_gate_out6.allocator()->allocate(); |
| 139 | |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 140 | CLTensor *forget_gate_out = &_forget_gate_out5; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 141 | if(lstm_params.has_peephole_opt()) |
| 142 | { |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 143 | _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] | 144 | |
| 145 | _run_peephole_opt = true; |
| 146 | _memory_group.manage(&_forget_gate_out4); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 147 | _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); |
| 148 | _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] | 149 | _forget_gate_out4.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 150 | _forget_gate_out5.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 151 | forget_gate_out = &_forget_gate_out3; |
| 152 | } |
| 153 | else |
| 154 | { |
| 155 | _forget_gate_out3.allocator()->allocate(); |
| 156 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 157 | if(_is_layer_norm_lstm) |
| 158 | { |
| 159 | _forget_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 160 | _forget_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 161 | _memory_group.manage(&_forget_layer_norm_out1); |
| 162 | _memory_group.manage(&_forget_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 163 | _mean_std_norm_forget_gate.configure(compile_context, forget_gate_out); |
| 164 | _pixelwise_mul_forget_gate_coeff.configure(compile_context, forget_gate_out, lstm_params.forget_layer_norm_weights(), &_forget_layer_norm_out1, 1, ConvertPolicy::SATURATE, |
| 165 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 166 | // forget_gate_out is going to be reassigned, so allocate the tensor that it was assigned to before |
| 167 | forget_gate_out->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 168 | _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] | 169 | _forget_layer_norm_out1.allocator()->allocate(); |
| 170 | forget_gate_out = &_forget_layer_norm_out2; |
| 171 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 172 | _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] | 173 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 174 | // Configure block that calculates the input gate |
Georgios Pinitas | 42a3172 | 2018-07-09 14:35:32 +0100 | [diff] [blame] | 175 | // 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] | 176 | // input_gate = 1 - forget_gate, with CIFG |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 177 | // We optimize this as follows: |
| 178 | // 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] | 179 | _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] | 180 | CLTensor *input_gate_out = &_input_gate_out1; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 181 | if(lstm_params.has_cifg_opt()) |
| 182 | { |
| 183 | _memory_group.manage(&_input_gate_out1); |
| 184 | _ones.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
Sheri Zhang | 7e20e29 | 2021-02-02 11:49:34 +0000 | [diff] [blame] | 185 | _ones_fill.configure(compile_context, &_ones, PixelValue(1, _ones.info()->data_type())); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 186 | _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] | 187 | _ones.allocator()->allocate(); |
| 188 | _run_cifg_opt = true; |
| 189 | } |
| 190 | else |
| 191 | { |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 192 | _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] | 193 | _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] | 194 | |
| 195 | std::vector<const ICLTensor *> lstm_weights; |
| 196 | lstm_weights.emplace_back(lstm_params.input_to_input_weights()); |
| 197 | lstm_weights.emplace_back(lstm_params.recurrent_to_input_weights()); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 198 | 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] | 199 | _input_gate_out2.allocator()->init(TensorInfo(lstm_weights_concat_shape, 1, input->info()->data_type())); |
| 200 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 201 | _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] | 202 | |
| 203 | _memory_group.manage(&_input_gate_out1); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 204 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 205 | _memory_group.manage(&_input_gate_out3); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 206 | _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] | 207 | _input_gate_out2.allocator()->allocate(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 208 | |
| 209 | input_gate_out = &_input_gate_out3; |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 210 | if(_run_peephole_opt) |
| 211 | { |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 212 | _memory_group.manage(&_input_gate_out4); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 213 | _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); |
| 214 | _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] | 215 | _input_gate_out3.allocator()->allocate(); |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 216 | _input_gate_out4.allocator()->allocate(); |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 217 | input_gate_out = &_input_gate_out1; |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 218 | } |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 219 | else |
| 220 | { |
| 221 | _input_gate_out1.allocator()->allocate(); |
| 222 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 223 | |
| 224 | if(_is_layer_norm_lstm) |
| 225 | { |
| 226 | _input_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 227 | _input_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 228 | _memory_group.manage(&_input_layer_norm_out1); |
| 229 | _memory_group.manage(&_input_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 230 | _mean_std_norm_input_gate.configure(compile_context, input_gate_out); |
| 231 | _pixelwise_mul_input_gate_coeff.configure(compile_context, input_gate_out, lstm_params.input_layer_norm_weights(), &_input_layer_norm_out1, 1, ConvertPolicy::SATURATE, |
| 232 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 233 | // input_gate_out is going to be reassigned, so allocate the tensor that it was assigned to before |
| 234 | input_gate_out->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 235 | _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] | 236 | _input_layer_norm_out1.allocator()->allocate(); |
| 237 | input_gate_out = &_input_layer_norm_out2; |
| 238 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 239 | _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] | 240 | } |
| 241 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 242 | // Configure block that calculates the cell state |
| 243 | // 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] | 244 | TensorShape cell_state1_shape = compute_transposed_shape(*recurrent_to_output_weights->info()); |
| 245 | _cell_state_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 246 | _cell_state_out2.allocator()->init(TensorInfo(cell_state1_shape, 1, input->info()->data_type())); |
| 247 | _cell_state_out3.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 248 | _cell_state_out4.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 249 | _cell_state_out5.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 250 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 251 | _memory_group.manage(&_cell_state_out1); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 252 | _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] | 253 | _memory_group.manage(&_cell_state_out2); |
Teresa Charlin | 2788609 | 2021-02-25 20:15:01 +0000 | [diff] [blame] | 254 | _transpose_cell_state->configure(compile_context, recurrent_to_cell_weights->info(), _cell_state_out2.info()); |
| 255 | _recurrent_to_cell_weights = recurrent_to_cell_weights; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 256 | _memory_group.manage(&_cell_state_out3); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 257 | _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] | 258 | _cell_state_out2.allocator()->allocate(); |
| 259 | _memory_group.manage(&_cell_state_out4); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 260 | _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] | 261 | CLTensor *cell_state_out_ptr = &_cell_state_out4; |
| 262 | if(_is_layer_norm_lstm) |
| 263 | { |
| 264 | _cell_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 265 | _cell_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 266 | _memory_group.manage(&_cell_layer_norm_out1); |
| 267 | _memory_group.manage(&_cell_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 268 | _mean_std_norm_cell_gate.configure(compile_context, cell_state_out_ptr); |
| 269 | _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, |
| 270 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 271 | // cell_state_out_ptr is going to be reassigned, so allocate the tensor that it was assigned to before |
| 272 | cell_state_out_ptr->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 273 | _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] | 274 | _cell_layer_norm_out1.allocator()->allocate(); |
| 275 | cell_state_out_ptr = &_cell_layer_norm_out2; |
| 276 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 277 | _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] | 278 | _memory_group.manage(&_cell_state_out5); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 279 | _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] | 280 | cell_state_out_ptr->allocator()->allocate(); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 281 | _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] | 282 | _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] | 283 | _cell_state_out3.allocator()->allocate(); |
| 284 | _cell_state_out5.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 285 | // Perform clipping |
| 286 | if(cell_threshold != 0.f) |
| 287 | { |
| 288 | _perform_cell_clipping = true; |
Pablo Marquez Tello | 9454cf7 | 2022-02-16 11:15:58 +0000 | [diff] [blame] | 289 | _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] | 290 | } |
| 291 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 292 | // Configure block that calculates the output |
| 293 | // 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] | 294 | // We optimize this as follows: |
| 295 | // 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] | 296 | _output1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 297 | _output4.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 298 | std::vector<const ICLTensor *> in_out_weights; |
| 299 | in_out_weights.emplace_back(input_to_output_weights); |
| 300 | in_out_weights.emplace_back(recurrent_to_output_weights); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 301 | 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] | 302 | _output2.allocator()->init(TensorInfo(in_out_weights_concat_shape, 1, input->info()->data_type())); |
| 303 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 304 | _concat_weights_output.configure(compile_context, in_out_weights, &_output2, Window::DimX); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 305 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 306 | _memory_group.manage(&_output1); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 307 | _memory_group.manage(&_output4); |
| 308 | |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 309 | _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] | 310 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 311 | _output2.allocator()->allocate(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 312 | _forget_gate_out2.allocator()->allocate(); |
| 313 | |
| 314 | CLTensor *output_gate_out = &_output4; |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 315 | if(lstm_params.has_peephole_opt()) |
| 316 | { |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 317 | _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] | 318 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 319 | _memory_group.manage(&_output3); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 320 | _pixelwise_mul_output_state1.configure(compile_context, &_cell_state_out1, lstm_params.cell_to_output_weights(), &_output3, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN); |
| 321 | _accum_output1.configure(compile_context, &_output4, &_output3, &_output1, ConvertPolicy::SATURATE); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 322 | _output4.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 323 | output_gate_out = &_output1; |
| 324 | |
| 325 | // Allocate intermediate buffers |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 326 | _output3.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 327 | } |
| 328 | else |
| 329 | { |
| 330 | _output1.allocator()->allocate(); |
| 331 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 332 | if(_is_layer_norm_lstm) |
| 333 | { |
| 334 | _output_layer_norm_out1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 335 | _output_layer_norm_out2.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 336 | _memory_group.manage(&_output_layer_norm_out1); |
| 337 | _memory_group.manage(&_output_layer_norm_out2); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 338 | _mean_std_norm_output_gate.configure(compile_context, output_gate_out); |
| 339 | _pixelwise_mul_output_gate_coeff.configure(compile_context, output_gate_out, lstm_params.output_layer_norm_weights(), &_output_layer_norm_out1, 1, ConvertPolicy::SATURATE, |
| 340 | RoundingPolicy::TO_NEAREST_EVEN); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 341 | // output_gate_out is going to be reassigned, so allocate the tensor that it was assigned to before |
| 342 | output_gate_out->allocator()->allocate(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 343 | _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] | 344 | _output_layer_norm_out1.allocator()->allocate(); |
| 345 | output_gate_out = &_output_layer_norm_out2; |
| 346 | } |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 347 | _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] | 348 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 349 | // Configure block that calculates the output state |
| 350 | /** lstm_res = PixelwiseMul(output, Activation(cell_state)) |
| 351 | * |
| 352 | * -- Clip(lstm_res * projection_weights + projection_bias, projection_threshold) , if there is a projection |
| 353 | * / |
| 354 | * output_state = -- |
| 355 | * \ |
| 356 | * -- lstm_res , otherwise |
| 357 | */ |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 358 | ICLTensor *output_state_out_tmp = lstm_params.has_projection() ? &_output_state1 : output_state_out; |
| 359 | _cell_state_activation.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 360 | _output_state1.allocator()->init(TensorInfo(cell_state_shape, 1, input->info()->data_type())); |
| 361 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 362 | _memory_group.manage(&_cell_state_activation); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 363 | _activation_output_state.configure(compile_context, &_cell_state_out1, &_cell_state_activation, activation_info); |
| 364 | _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] | 365 | _cell_state_activation.allocator()->allocate(); |
| 366 | |
| 367 | if(lstm_params.has_projection()) |
| 368 | { |
| 369 | _has_projection_weights = true; |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 370 | _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] | 371 | _output_state1.allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 372 | // Perform clipping |
| 373 | if(projection_threshold != 0.f) |
| 374 | { |
| 375 | _perform_projection_clipping = true; |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 376 | _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] | 377 | } |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | // Copy cell state and output |
Sheri Zhang | 7e20e29 | 2021-02-02 11:49:34 +0000 | [diff] [blame] | 381 | _copy_cell_state.configure(compile_context, &_cell_state_out1, cell_state_out); |
| 382 | _copy_output.configure(compile_context, output_state_out, output); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 383 | |
| 384 | // Vector for holding the tensors to store in scratch buffer |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 385 | std::vector<const ICLTensor *> scratch_inputs; |
Georgios Pinitas | 0cc37c3 | 2018-11-14 15:54:26 +0000 | [diff] [blame] | 386 | if(!lstm_params.has_cifg_opt()) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 387 | { |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 388 | scratch_inputs.emplace_back(input_gate_out); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 389 | } |
| 390 | scratch_inputs.emplace_back(&_cell_state_out1); |
| 391 | scratch_inputs.emplace_back(forget_gate_out); |
| 392 | scratch_inputs.emplace_back(output_gate_out); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 393 | _concat_scratch_buffer.configure(compile_context, scratch_inputs, scratch_buffer, Window::DimX); |
Georgios Pinitas | 4f85982 | 2019-02-06 18:08:04 +0000 | [diff] [blame] | 394 | input_gate_out->allocator()->allocate(); |
Michele Di Giorgio | dd2619a | 2018-11-05 16:46:09 +0000 | [diff] [blame] | 395 | _cell_state_out1.allocator()->allocate(); |
| 396 | forget_gate_out->allocator()->allocate(); |
| 397 | output_gate_out->allocator()->allocate(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 398 | } |
| 399 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 400 | Status CLLSTMLayer::validate(const ITensorInfo *input, |
| 401 | 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] | 402 | const ITensorInfo *recurrent_to_forget_weights, const ITensorInfo *recurrent_to_cell_weights, const ITensorInfo *recurrent_to_output_weights, |
| 403 | 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] | 404 | const ITensorInfo *output_state_in, const ITensorInfo *cell_state_in, |
| 405 | 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] | 406 | const LSTMParams<ITensorInfo> &lstm_params, const ActivationLayerInfo &activation_info, float cell_threshold, float projection_threshold) |
| 407 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 408 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, |
| 409 | input_to_forget_weights, input_to_cell_weights, input_to_output_weights, |
| 410 | recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights, |
| 411 | forget_gate_bias, cell_bias, output_gate_bias, |
| 412 | output_state_in, cell_state_in, |
| 413 | scratch_buffer, output_state_out, cell_state_out, output); |
| 414 | |
| 415 | // Check data types |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 416 | 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] | 417 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, |
| 418 | input_to_forget_weights, input_to_cell_weights, input_to_output_weights, |
| 419 | recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights, |
| 420 | forget_gate_bias, cell_bias, output_gate_bias, |
| 421 | output_state_in, cell_state_in, |
| 422 | scratch_buffer, output_state_out, cell_state_out, output); |
| 423 | |
| 424 | // Check dimensions |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 425 | ARM_COMPUTE_RETURN_ERROR_ON(input->num_dimensions() > 2); |
| 426 | ARM_COMPUTE_RETURN_ERROR_ON(input_to_forget_weights->num_dimensions() > 2); |
| 427 | ARM_COMPUTE_RETURN_ERROR_ON(input_to_cell_weights->num_dimensions() > 2); |
| 428 | ARM_COMPUTE_RETURN_ERROR_ON(input_to_output_weights->num_dimensions() > 2); |
| 429 | ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_forget_weights->num_dimensions() > 2); |
| 430 | ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_cell_weights->num_dimensions() > 2); |
| 431 | ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_output_weights->num_dimensions() > 2); |
| 432 | ARM_COMPUTE_RETURN_ERROR_ON(forget_gate_bias->num_dimensions() > 1); |
| 433 | ARM_COMPUTE_RETURN_ERROR_ON(cell_bias->num_dimensions() > 1); |
| 434 | ARM_COMPUTE_RETURN_ERROR_ON(output_gate_bias->num_dimensions() > 1); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 435 | ARM_COMPUTE_RETURN_ERROR_ON(output_state_in->num_dimensions() > 2); |
| 436 | ARM_COMPUTE_RETURN_ERROR_ON(cell_state_in->num_dimensions() > 2); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 437 | ARM_COMPUTE_RETURN_ERROR_ON(scratch_buffer->num_dimensions() > 2); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 438 | ARM_COMPUTE_RETURN_ERROR_ON(output_state_out->num_dimensions() > 2); |
| 439 | ARM_COMPUTE_RETURN_ERROR_ON(cell_state_out->num_dimensions() > 2); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 440 | ARM_COMPUTE_RETURN_ERROR_ON(output->num_dimensions() > 2); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 441 | ARM_COMPUTE_RETURN_ERROR_ON(cell_bias->dimension(0) * 4 != scratch_buffer->dimension(0) |
| 442 | && cell_bias->dimension(0) * 3 != scratch_buffer->dimension(0)); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 443 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 444 | const unsigned int num_batches = input->dimension(1); |
| 445 | const unsigned int num_cells = input_to_output_weights->dimension(1); |
| 446 | |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 447 | if(lstm_params.use_layer_norm()) |
| 448 | { |
| 449 | // If CIFG is used, input layer normalization weights tensor is omitted |
| 450 | if(lstm_params.has_cifg_opt()) |
| 451 | { |
| 452 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.input_layer_norm_weights() != nullptr); |
| 453 | } |
| 454 | else |
| 455 | { |
| 456 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.input_layer_norm_weights()); |
| 457 | 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] | 458 | 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] | 459 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, lstm_params.input_layer_norm_weights()); |
| 460 | } |
| 461 | |
| 462 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.forget_layer_norm_weights(), lstm_params.cell_layer_norm_weights(), lstm_params.output_layer_norm_weights()); |
| 463 | 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()); |
| 464 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.forget_layer_norm_weights()->num_dimensions() > 1); |
| 465 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_layer_norm_weights()->num_dimensions() > 1); |
| 466 | 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] | 467 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.forget_layer_norm_weights()->dimension(0) != num_cells); |
| 468 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_layer_norm_weights()->dimension(0) != num_cells); |
| 469 | 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] | 470 | } |
| 471 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 472 | // Check peephole optimization |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 473 | if(lstm_params.has_peephole_opt()) |
| 474 | { |
Michalis Spyrou | 09daf4d | 2018-06-28 17:07:22 +0100 | [diff] [blame] | 475 | 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] | 476 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_to_forget_weights()->num_dimensions() > 1); |
| 477 | 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] | 478 | } |
| 479 | |
| 480 | TensorShape units_out_transposed_shape = compute_transposed_shape(*recurrent_to_output_weights); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 481 | TensorShape num_units_transposed_shape = compute_transposed_shape(*forget_gate_bias); |
| 482 | 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] | 483 | const TensorInfo num_units_transposed_info = TensorInfo(num_units_transposed_shape, 1, input->data_type()); |
| 484 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 485 | TensorInfo input_gate = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 486 | TensorInfo forget_gate = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 487 | TensorInfo output_gate_tmp = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 488 | TensorInfo cell_state_tmp = TensorInfo(TensorShape(num_cells, num_batches), 1, input->data_type()); |
| 489 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 490 | // Validate forget gate |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 491 | 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] | 492 | |
| 493 | std::vector<const ITensorInfo *> inputs_vector; |
| 494 | inputs_vector.emplace_back(input); |
| 495 | inputs_vector.emplace_back(output_state_in); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 496 | 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] | 497 | TensorInfo forget_gate_concat = TensorInfo(concat_shape, 1, input->data_type()); |
| 498 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 499 | 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] | 500 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 501 | if(lstm_params.has_peephole_opt()) |
| 502 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 503 | 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] | 504 | 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] | 505 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 506 | if(lstm_params.use_layer_norm()) |
| 507 | { |
| 508 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&forget_gate)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 509 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&forget_gate, lstm_params.forget_layer_norm_weights(), &forget_gate, 1, ConvertPolicy::SATURATE, |
| 510 | RoundingPolicy::TO_NEAREST_EVEN)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 511 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&forget_gate, forget_gate_bias, &forget_gate, ConvertPolicy::SATURATE)); |
| 512 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 513 | 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] | 514 | |
| 515 | // Validate input gate |
| 516 | if(!lstm_params.has_cifg_opt()) |
| 517 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 518 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.input_to_input_weights(), |
| 519 | lstm_params.recurrent_to_input_weights(), |
| 520 | lstm_params.input_gate_bias()); |
Georgios Pinitas | 42447c1 | 2018-07-16 17:01:20 +0100 | [diff] [blame] | 521 | ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.input_to_input_weights()->num_dimensions() > 2); |
| 522 | 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] | 523 | 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] | 524 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 525 | std::vector<const ITensorInfo *> lstm_weights; |
| 526 | lstm_weights.emplace_back(lstm_params.input_to_input_weights()); |
| 527 | lstm_weights.emplace_back(lstm_params.recurrent_to_input_weights()); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 528 | 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] | 529 | 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] | 530 | 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] | 531 | |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 532 | 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] | 533 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 534 | if(lstm_params.has_peephole_opt()) |
| 535 | { |
| 536 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.cell_to_input_weights()); |
| 537 | 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] | 538 | 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] | 539 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&input_gate, &input_gate, &input_gate, ConvertPolicy::SATURATE)); |
| 540 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 541 | |
| 542 | if(lstm_params.use_layer_norm()) |
| 543 | { |
| 544 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&input_gate)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 545 | 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] | 546 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&input_gate, lstm_params.input_gate_bias(), &input_gate, ConvertPolicy::SATURATE)); |
| 547 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 548 | 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] | 549 | } |
| 550 | else |
| 551 | { |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 552 | 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] | 553 | } |
| 554 | |
| 555 | // Validate cell state |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 556 | 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] | 557 | ARM_COMPUTE_RETURN_ON_ERROR(CLGEMM::validate(output_state_in, &units_out_transposed_info, nullptr, &cell_state_tmp, 1.f, 0.f, GEMMInfo())); |
| 558 | 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] | 559 | if(lstm_params.use_layer_norm()) |
| 560 | { |
| 561 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&cell_state_tmp)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 562 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, lstm_params.cell_layer_norm_weights(), &cell_state_tmp, 1, ConvertPolicy::SATURATE, |
| 563 | RoundingPolicy::TO_NEAREST_EVEN)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 564 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&cell_state_tmp, cell_bias, &cell_state_tmp, ConvertPolicy::SATURATE)); |
| 565 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 566 | 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] | 567 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, &input_gate, &cell_state_tmp, 1, ConvertPolicy::SATURATE, RoundingPolicy::TO_NEAREST_EVEN)); |
| 568 | 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] | 569 | 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] | 570 | if(cell_threshold != 0.f) |
| 571 | { |
Pablo Marquez Tello | 9454cf7 | 2022-02-16 11:15:58 +0000 | [diff] [blame] | 572 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&cell_state_tmp, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, cell_threshold, |
| 573 | -cell_threshold))); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 574 | } |
| 575 | |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 576 | std::vector<const ITensorInfo *> in_out_weights; |
| 577 | in_out_weights.emplace_back(input_to_output_weights); |
| 578 | in_out_weights.emplace_back(recurrent_to_output_weights); |
Georgios Pinitas | dbfc2dc | 2019-04-02 12:51:21 +0100 | [diff] [blame] | 579 | 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] | 580 | 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] | 581 | 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] | 582 | // Validate output gate tmp |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 583 | 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] | 584 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 585 | if(lstm_params.has_peephole_opt()) |
| 586 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 587 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&cell_state_tmp, lstm_params.cell_to_output_weights(), &output_gate_tmp, 1, ConvertPolicy::SATURATE, |
| 588 | RoundingPolicy::TO_NEAREST_EVEN)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 589 | 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] | 590 | } |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 591 | if(lstm_params.use_layer_norm()) |
| 592 | { |
| 593 | ARM_COMPUTE_RETURN_ON_ERROR(CLMeanStdDevNormalizationLayer::validate(&output_gate_tmp)); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 594 | ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplication::validate(&output_gate_tmp, lstm_params.output_layer_norm_weights(), &output_gate_tmp, 1, ConvertPolicy::SATURATE, |
| 595 | RoundingPolicy::TO_NEAREST_EVEN)); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 596 | ARM_COMPUTE_RETURN_ON_ERROR(CLArithmeticAddition::validate(&output_gate_tmp, output_gate_bias, &output_gate_tmp, ConvertPolicy::SATURATE)); |
| 597 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 598 | 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] | 599 | |
| 600 | // Validate output state |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 601 | 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] | 602 | 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] | 603 | if(lstm_params.has_projection()) |
| 604 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 605 | 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] | 606 | if(projection_threshold != 0.f) |
| 607 | { |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 608 | ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(output_state_out, output_state_out, |
| 609 | ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -projection_threshold, projection_threshold))); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 610 | } |
| 611 | } |
| 612 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 613 | // Validate copy kernel |
Sheri Zhang | 7e20e29 | 2021-02-02 11:49:34 +0000 | [diff] [blame] | 614 | ARM_COMPUTE_RETURN_ON_ERROR(CLCopy::validate(&cell_state_tmp, cell_state_out)); |
| 615 | ARM_COMPUTE_RETURN_ON_ERROR(CLCopy::validate(output_state_out, output)); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 616 | |
| 617 | // Validate scratch concatenation |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 618 | std::vector<const ITensorInfo *> inputs_vector_info_raw; |
Georgios Pinitas | 0cc37c3 | 2018-11-14 15:54:26 +0000 | [diff] [blame] | 619 | if(!lstm_params.has_cifg_opt()) |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 620 | { |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 621 | inputs_vector_info_raw.push_back(&input_gate); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 622 | } |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 623 | inputs_vector_info_raw.push_back(&cell_state_tmp); |
| 624 | inputs_vector_info_raw.push_back(&forget_gate); |
| 625 | inputs_vector_info_raw.push_back(&output_gate_tmp); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 626 | |
Georgios Pinitas | 09f2497 | 2019-05-17 18:14:40 +0100 | [diff] [blame] | 627 | 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] | 628 | return Status{}; |
| 629 | } |
| 630 | |
| 631 | void CLLSTMLayer::run() |
| 632 | { |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 633 | prepare(); |
| 634 | |
Georgios Pinitas | da953f2 | 2019-04-02 17:27:03 +0100 | [diff] [blame] | 635 | MemoryGroupResourceScope scope_mg(_memory_group); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 636 | |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 637 | _concat_inputs_forget_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 638 | |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 639 | _fully_connected_forget_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 640 | |
| 641 | if(_run_peephole_opt) |
| 642 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 643 | _pixelwise_mul_forget_gate.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 644 | _accum_forget_gate1.run(); |
| 645 | } |
| 646 | if(_is_layer_norm_lstm) |
| 647 | { |
| 648 | _mean_std_norm_forget_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 649 | _pixelwise_mul_forget_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 650 | _accum_forget_gate_bias.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 651 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 652 | _activation_forget_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 653 | |
| 654 | if(_run_cifg_opt) |
| 655 | { |
Sheri Zhang | 7e20e29 | 2021-02-02 11:49:34 +0000 | [diff] [blame] | 656 | _ones_fill.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 657 | _subtract_input_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 658 | } |
| 659 | else |
| 660 | { |
| 661 | _fully_connected_input_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 662 | |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 663 | if(_run_peephole_opt) |
| 664 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 665 | _pixelwise_mul_input_gate.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 666 | _accum_input_gate1.run(); |
| 667 | } |
| 668 | |
| 669 | if(_is_layer_norm_lstm) |
| 670 | { |
| 671 | _mean_std_norm_input_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 672 | _pixelwise_mul_input_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 673 | _accum_input_gate_bias.run(); |
Georgios Pinitas | 8bc745d | 2018-07-18 19:51:24 +0100 | [diff] [blame] | 674 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 675 | _activation_input_gate.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | _fully_connected_cell_state.run(); |
Teresa Charlin | 2788609 | 2021-02-25 20:15:01 +0000 | [diff] [blame] | 679 | ITensorPack pack; |
| 680 | pack.add_tensor(TensorType::ACL_SRC, _recurrent_to_cell_weights); |
| 681 | pack.add_tensor(TensorType::ACL_DST, &_cell_state_out2); |
| 682 | CLScheduler::get().enqueue_op(*_transpose_cell_state, |
| 683 | pack, |
| 684 | false); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 685 | _gemm_cell_state1.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 686 | _accum_cell_state1.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 687 | if(_is_layer_norm_lstm) |
| 688 | { |
| 689 | _mean_std_norm_cell_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 690 | _pixelwise_mul_cell_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 691 | _accum_cell_gate_bias.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 692 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 693 | _activation_cell_state.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 694 | _pixelwise_mul_cell_state1.run(); |
| 695 | _pixelwise_mul_cell_state2.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 696 | _accum_cell_state2.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 697 | |
| 698 | if(_perform_cell_clipping) |
| 699 | { |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 700 | _cell_clip.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 701 | } |
| 702 | |
| 703 | _fully_connected_output.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 704 | |
| 705 | if(_run_peephole_opt) |
| 706 | { |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 707 | _pixelwise_mul_output_state1.run(); |
Michele Di Giorgio | 39438b4 | 2019-06-04 12:41:45 +0100 | [diff] [blame] | 708 | _accum_output1.run(); |
| 709 | } |
| 710 | if(_is_layer_norm_lstm) |
| 711 | { |
| 712 | _mean_std_norm_output_gate.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 713 | _pixelwise_mul_output_gate_coeff.run(); |
Michalis Spyrou | ad7515d | 2020-07-24 00:02:23 +0100 | [diff] [blame] | 714 | _accum_output_gate_bias.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 715 | } |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 716 | _activation_output.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 717 | |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 718 | _activation_output_state.run(); |
Michalis Spyrou | 1009e87 | 2020-07-27 12:48:34 +0100 | [diff] [blame] | 719 | _pixelwise_mul_output_state2.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 720 | |
| 721 | if(_has_projection_weights) |
| 722 | { |
| 723 | _fully_connected_output_state.run(); |
| 724 | if(_perform_projection_clipping) |
| 725 | { |
Georgios Pinitas | ab23dd0 | 2020-07-06 14:57:36 +0100 | [diff] [blame] | 726 | _projection_clip.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 727 | } |
| 728 | } |
| 729 | |
Sheri Zhang | 7e20e29 | 2021-02-02 11:49:34 +0000 | [diff] [blame] | 730 | _copy_cell_state.run(); |
| 731 | _copy_output.run(); |
Michalis Spyrou | bcedf51 | 2018-03-22 14:55:08 +0000 | [diff] [blame] | 732 | |
| 733 | _concat_scratch_buffer.run(); |
giuros01 | 164a272 | 2018-11-20 18:34:46 +0000 | [diff] [blame] | 734 | } |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 735 | |
| 736 | void CLLSTMLayer::prepare() |
| 737 | { |
| 738 | if(!_is_prepared) |
| 739 | { |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 740 | _concat_weights_forget_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 741 | if(!_run_cifg_opt) |
| 742 | { |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 743 | _concat_weights_input_gate.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 744 | } |
Michele Di Giorgio | f932d2c | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 745 | _concat_weights_output.run(); |
John Kesapides | cafec8f | 2019-02-19 15:53:59 +0000 | [diff] [blame] | 746 | _is_prepared = true; |
| 747 | } |
| 748 | } |
Michele Di Giorgio | 47a8990 | 2020-03-09 19:32:33 +0000 | [diff] [blame] | 749 | } // namespace arm_compute |