/* * Copyright (c) 2018-2019 ARM Limited. * * SPDX-License-Identifier: MIT * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef __ARM_COMPUTE_NELSTMLAYER_H__ #define __ARM_COMPUTE_NELSTMLAYER_H__ #include "arm_compute/core/NEON/kernels/NEActivationLayerKernel.h" #include "arm_compute/core/NEON/kernels/NEArithmeticAdditionKernel.h" #include "arm_compute/core/NEON/kernels/NEArithmeticSubtractionKernel.h" #include "arm_compute/core/NEON/kernels/NECopyKernel.h" #include "arm_compute/core/NEON/kernels/NEPixelWiseMultiplicationKernel.h" #include "arm_compute/core/Types.h" #include "arm_compute/runtime/NEON/functions/NEArithmeticAddition.h" #include "arm_compute/runtime/NEON/functions/NEFullyConnectedLayer.h" #include "arm_compute/runtime/NEON/functions/NEGEMM.h" #include "arm_compute/runtime/NEON/functions/NEWidthConcatenateLayer.h" #include "arm_compute/runtime/common/LSTMParams.h" namespace arm_compute { // Forward declarations class ITensor; /** Basic function to run @ref NELSTMLayer */ class NELSTMLayer : public IFunction { public: /** Default constructor */ NELSTMLayer(std::shared_ptr memory_manager = nullptr); /** Initialize function's tensors. * * @param[in] input Source tensor. Input is a 2D tensor with dimensions [input_size, batch_size]. Data types supported: F16/F32. * @param[in] input_to_forget_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * @param[in] input_to_cell_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * @param[in] input_to_output_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * @param[in] recurrent_to_forget_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * @param[in] recurrent_to_cell_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * @param[in] recurrent_to_output_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * @param[in] forget_gate_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * @param[in] cell_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * @param[in] output_gate_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * @param[in] output_state_in 2D weights tensor with dimensions [output_size, batch_size]. Data type supported: Same as @p input. * @param[in] cell_state_in 2D tensor with dimensions [num_units, batch_size]. Data type supported: Same as @p input. * @param[out] scratch_buffer 2D tensor with dimensions [num_units * 4, batch_size] with CIFG or [num_units * 3, batch_size] without CIGF. Data type supported: Same as @p input. * @param[out] output_state_out 2D weights tensor with dimensions [output_size, batch_size]. Data type supported: Same as @p input. * @param[out] cell_state_out 2D tensor with dimensions [num_units, batch_size]. Data type supported: Same as @p input. * @param[out] output Destination tensor. Output is a 2D tensor with dimensions [output_size, batch_size]. * Data types supported: Same as @p input. * @param[in] lstm_params (Optional) Weights tensors used in peephole optimization: * input_to_input_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * recurrent_to_input_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * cell_to_input_weights 1D weights tensor with dimensions [num_units]. Can be nullptr. Data type supported: Same as @p input. * cell_to_forget_weights 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * cell_to_output_weights 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * input_gate_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input * projection_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * projection_bias 1D weights tensor with dimensions [output_size]. Data type supported: Same as @p input. * @param[in] activation_info Contains activation information described in @ref ActivationLayerInfo. * @param[in] cell_threshold The clipping threshold for the cell state, such that values are bound within [-cell_clip, cell_clip]. If set to 0.0 then clipping is disabled. * @param[in] projection_threshold The clipping threshold for the output from the projection layer, such that values are bound within [-proj_clip, proj_clip]. If set to 0.0 then clipping is disabled. */ void configure(const ITensor *input, const ITensor *input_to_forget_weights, const ITensor *input_to_cell_weights, const ITensor *input_to_output_weights, const ITensor *recurrent_to_forget_weights, const ITensor *recurrent_to_cell_weights, const ITensor *recurrent_to_output_weights, const ITensor *forget_gate_bias, const ITensor *cell_bias, const ITensor *output_gate_bias, const ITensor *output_state_in, const ITensor *cell_state_in, ITensor *scratch_buffer, ITensor *output_state_out, ITensor *cell_state_out, ITensor *output, const LSTMParams &lstm_params, const ActivationLayerInfo &activation_info, float cell_threshold = 0.f, float projection_threshold = 0.f); /** Static function to check if given info will lead to a valid configuration of @ref NELSTMLayer * * @param[in] input Source tensor. Input is a 2D tensor with dimensions [input_size, batch_size]. Data types supported: F16/F32. * @param[in] input_to_forget_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * @param[in] input_to_cell_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * @param[in] input_to_output_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * @param[in] recurrent_to_forget_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * @param[in] recurrent_to_cell_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * @param[in] recurrent_to_output_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * @param[in] forget_gate_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * @param[in] cell_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * @param[in] output_gate_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * @param[in] output_state_in 2D weights tensor with dimensions [output_size, batch_size]. Data type supported: Same as @p input. * @param[in] cell_state_in 2D tensor with dimensions [num_units, batch_size]. Data type supported: Same as @p input. * @param[in] scratch_buffer 2D tensor with dimensions [num_units * 4, batch_size] with CIFG or [num_units * 3, batch_size] without CIGF. Data type supported: Same as @p input. * @param[in] output_state_out 2D weights tensor with dimensions [output_size, batch_size]. Data type supported: Same as @p input. * @param[in] cell_state_out 2D tensor with dimensions [num_units, batch_size]. Data type supported: Same as @p input. * @param[in] output Destination tensor. Output is a 2D tensor with dimensions [output_size, batch_size]. * Data types supported: Same as @p input. * @param[in] lstm_params (Optional) Weights tensors used in peephole optimization: * input_to_input_weights 2D weights tensor with dimensions [input_size, num_units]. Data type supported: Same as @p input. * recurrent_to_input_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * cell_to_input_weights 1D weights tensor with dimensions [num_units]. Can be nullptr. Data type supported: Same as @p input. * cell_to_forget_weights 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * cell_to_output_weights 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input. * input_gate_bias 1D weights tensor with dimensions [num_units]. Data type supported: Same as @p input * projection_weights 2D weights tensor with dimensions [output_size, num_units]. Data type supported: Same as @p input. * projection_bias 1D weights tensor with dimensions [output_size]. Data type supported: Same as @p input. * @param[in] activation_info Contains activation information described in @ref ActivationLayerInfo. * @param[in] cell_threshold The clipping threshold for the cell state, such that values are bound within [-cell_clip, cell_clip]. If set to 0.0 then clipping is disabled. * @param[in] projection_threshold The clipping threshold for the output from the projection layer, such that values are bound within [-proj_clip, proj_clip]. If set to 0.0 then clipping is disabled. * * @return a status */ static Status validate(const ITensorInfo *input, const ITensorInfo *input_to_forget_weights, const ITensorInfo *input_to_cell_weights, const ITensorInfo *input_to_output_weights, const ITensorInfo *recurrent_to_forget_weights, const ITensorInfo *recurrent_to_cell_weights, const ITensorInfo *recurrent_to_output_weights, const ITensorInfo *forget_gate_bias, const ITensorInfo *cell_bias, const ITensorInfo *output_gate_bias, const ITensorInfo *output_state_in, const ITensorInfo *cell_state_in, const ITensorInfo *scratch_buffer, const ITensorInfo *output_state_out, const ITensorInfo *cell_state_out, const ITensorInfo *output, const LSTMParams &lstm_params, const ActivationLayerInfo &activation_info, float cell_threshold = 0.f, float projection_threshold = 0.f); // Inherited methods overridden: void run() override; void prepare() override; private: MemoryGroup _memory_group; NEFullyConnectedLayer _fully_connected_input_gate; NEGEMM _gemm_input_gate; NETransposeKernel _transpose_input_gate; NEArithmeticAdditionKernel _accum_input_gate1; NEArithmeticAddition _accum_input_gate2; NEArithmeticSubtractionKernel _subtract_input_gate; NEPixelWiseMultiplicationKernel _pixelwise_mul_input_gate; NEActivationLayerKernel _activation_input_gate; NEFullyConnectedLayer _fully_connected_forget_gate; NEGEMM _gemm_forget_gate; NETransposeKernel _transpose_forget_gate; NEArithmeticAdditionKernel _accum_forget_gate1; NEArithmeticAddition _accum_forget_gate2; NEPixelWiseMultiplicationKernel _pixelwise_mul_forget_gate; NEActivationLayerKernel _activation_forget_gate; NEFullyConnectedLayer _fully_connected_cell_state; NEGEMM _gemm_cell_state1; NEGEMM _gemm_cell_state2; NETransposeKernel _transpose_cell_state; NEArithmeticAdditionKernel _accum_cell_state1; NEArithmeticAdditionKernel _accum_cell_state2; NEPixelWiseMultiplicationKernel _pixelwise_mul_cell_state1; NEActivationLayerKernel _activation_cell_state; NEActivationLayerKernel _cell_clip; NEPixelWiseMultiplicationKernel _pixelwise_mul_cell_state2; NEFullyConnectedLayer _fully_connected_output; NEGEMM _gemm_output; NEPixelWiseMultiplicationKernel _pixelwise_mul_output_state1; NETransposeKernel _transpose_output; NEArithmeticAdditionKernel _accum_output1; NEArithmeticAddition _accum_output2; NEActivationLayerKernel _activation_output; NEActivationLayerKernel _activation_output_state; NEPixelWiseMultiplicationKernel _pixelwise_mul_output_state2; NEFullyConnectedLayer _fully_connected_output_state; NEGEMM _gemm_output_state; NEArithmeticAdditionKernel _accum_output_state; NEActivationLayerKernel _projection_clip; NECopyKernel _copy_cell_state; NECopyKernel _copy_output; NEWidthConcatenateLayer _concat_scratch_buffer; NEWidthConcatenateLayer _concat_inputs_forget_gate; NEWidthConcatenateLayer _concat_weights_forget_gate; NEWidthConcatenateLayer _concat_weights_input_gate; NEWidthConcatenateLayer _concat_weights_output; Tensor _input_gate_out1; Tensor _input_gate_out2; Tensor _input_gate_out3; Tensor _input_gate_out4; Tensor _forget_gate_out1; Tensor _forget_gate_out2; Tensor _forget_gate_out3; Tensor _forget_gate_out4; Tensor _forget_gate_out5; Tensor _forget_gate_out6; Tensor _cell_state_out1; Tensor _cell_state_out2; Tensor _cell_state_out3; Tensor _cell_state_out4; Tensor _cell_state_out5; Tensor _output1; Tensor _output2; Tensor _output3; Tensor _output4; Tensor _cell_state_activation; Tensor _output_state1; Tensor _ones; bool _run_peephole_opt; bool _run_cifg_opt; bool _perform_cell_clipping; bool _has_projection_weights; bool _perform_projection_clipping; bool _is_prepared; }; } // namespace arm_compute #endif /* __ARM_COMPUTE_NELSTMLAYER_H__ */