From 1c1b3aa470f3854000be22edb61991f6210e5605 Mon Sep 17 00:00:00 2001 From: Michele Di Giorgio Date: Thu, 2 Apr 2020 17:35:42 +0100 Subject: COMPMID-3236: Implement CLQLSTMLayer COMPMID-3081: Extend CLQLSTMLayer with enhancements Change-Id: Idb7aaaacdba957e5ad61e94edeab2e898730a109 Signed-off-by: Michele Di Giorgio Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3057 Tested-by: Arm Jenkins Reviewed-by: Sang-Hoon Park Comments-Addressed: Arm Jenkins --- ...GEMMLowpMatrixMultiplyReshapedOnlyRHSKernel.cpp | 9 +- ...tizeDownInt32ToInt16ScaleByFixedPointKernel.cpp | 6 +- src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp | 10 +- .../CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp | 8 +- src/runtime/CL/functions/CLGEMMLowpOutputStage.cpp | 9 + src/runtime/CL/functions/CLQLSTMLayer.cpp | 853 +++++++++++++++++++++ 6 files changed, 882 insertions(+), 13 deletions(-) create mode 100644 src/runtime/CL/functions/CLQLSTMLayer.cpp (limited to 'src') diff --git a/src/core/CL/kernels/CLGEMMLowpMatrixMultiplyReshapedOnlyRHSKernel.cpp b/src/core/CL/kernels/CLGEMMLowpMatrixMultiplyReshapedOnlyRHSKernel.cpp index dd4c55c2d8..ad675df7ea 100644 --- a/src/core/CL/kernels/CLGEMMLowpMatrixMultiplyReshapedOnlyRHSKernel.cpp +++ b/src/core/CL/kernels/CLGEMMLowpMatrixMultiplyReshapedOnlyRHSKernel.cpp @@ -56,7 +56,14 @@ Status validate_arguments(const ITensorInfo *input0, const ITensorInfo *input1, { ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input0, input1, output); ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input0, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED); - ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input0, input1); + if(input0->data_type() == DataType::QASYMM8) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input0, input1); + } + else + { + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::QSYMM8, DataType::QASYMM8_SIGNED, DataType::QSYMM8_PER_CHANNEL); + } ARM_COMPUTE_RETURN_ERROR_ON_MSG(input0->num_dimensions() > 4, "The number of dimensions for the LHS matrix must be <= 4"); ARM_COMPUTE_RETURN_ERROR_ON_MSG(input1->num_dimensions() > 3, "The number of dimensions for the RHS matrix must be <= 3"); diff --git a/src/core/CL/kernels/CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp b/src/core/CL/kernels/CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp index 00cef56db7..066307c4b2 100644 --- a/src/core/CL/kernels/CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp +++ b/src/core/CL/kernels/CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel.cpp @@ -35,8 +35,6 @@ #include "support/StringSupport.h" -using namespace arm_compute; - namespace arm_compute { namespace @@ -98,9 +96,6 @@ std::pair validate_and_configure_window(ITensorInfo *input, ITen } } // namespace -class Coordinates; -} // namespace arm_compute - CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel::CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel() : _input(nullptr), _bias(nullptr), _output(nullptr) { @@ -184,3 +179,4 @@ void CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel::run(const Window } while(collapsed.slide_window_slice_3D(slice)); } +} // namespace arm_compute diff --git a/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp b/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp index e81ab2ffba..9fa253a55a 100644 --- a/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp +++ b/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp @@ -36,7 +36,7 @@ namespace Status validate_arguments_matrix_a_reduction(const ITensorInfo *input, const ITensorInfo *output) { ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); - ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::QSYMM8); if(output->total_size() > 0) { @@ -49,7 +49,7 @@ Status validate_arguments_matrix_a_reduction(const ITensorInfo *input, const ITe Status validate_arguments_matrix_b_reduction(const ITensorInfo *input, const ITensorInfo *output) { ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); - ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::QSYMM8); if(output->total_size() > 0) { @@ -63,6 +63,9 @@ std::pair validate_and_configure_window_matrix_b_reduction(ITens { constexpr unsigned int num_elems_processed_per_iteration = 16; + // Output auto initialization if not yet initialized + auto_init_if_empty(*output, TensorShape(input->dimension(0)), 1, DataType::S32); + // Configure kernel window Window win = calculate_max_window(*output, Steps(num_elems_processed_per_iteration)); @@ -94,6 +97,9 @@ void CLGEMMLowpMatrixAReductionKernel::configure(CLCompileContext &compile_conte ARM_COMPUTE_ERROR_ON_NULLPTR(mtx_a, vector_sum_row); ARM_COMPUTE_ERROR_THROW_ON(validate_arguments_matrix_a_reduction(mtx_a->info(), vector_sum_row->info())); + // Output auto initialization if not yet initialized + auto_init_if_empty(*vector_sum_row->info(), TensorShape(mtx_a->info()->dimension(1)), 1, DataType::S32); + _input = mtx_a; _output = vector_sum_row; diff --git a/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp b/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp index ef17f110d0..3465da95b7 100644 --- a/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp +++ b/src/runtime/CL/functions/CLGEMMLowpMatrixMultiplyCore.cpp @@ -303,11 +303,9 @@ Status CLGEMMLowpMatrixMultiplyCore::validate(const ITensorInfo *a, const ITenso { ARM_COMPUTE_ERROR_ON_NULLPTR(a, b, output); ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(a, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED); - //DataType::QSYMM8_PER_CHANNEL supported only for weights - if(b->data_type() != DataType::QSYMM8_PER_CHANNEL) - { - ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(a, b); - } + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(b, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::QSYMM8, DataType::QSYMM8_PER_CHANNEL); + ARM_COMPUTE_RETURN_ERROR_ON(a->data_type() == DataType::QASYMM8 && b->data_type() == DataType::QASYMM8_SIGNED); + ARM_COMPUTE_RETURN_ERROR_ON(a->data_type() == DataType::QASYMM8_SIGNED && b->data_type() == DataType::QASYMM8); ARM_COMPUTE_RETURN_ERROR_ON_MSG(gemm_info.is_a_reshaped(), "Matrix A already reshaped is not supported"); ARM_COMPUTE_RETURN_ERROR_ON_MSG(gemm_info.is_b_reshaped(), "Matrix B already reshaped is not supported"); diff --git a/src/runtime/CL/functions/CLGEMMLowpOutputStage.cpp b/src/runtime/CL/functions/CLGEMMLowpOutputStage.cpp index 2114d39866..aff7f54a82 100644 --- a/src/runtime/CL/functions/CLGEMMLowpOutputStage.cpp +++ b/src/runtime/CL/functions/CLGEMMLowpOutputStage.cpp @@ -149,6 +149,13 @@ void CLGEMMLowpOutputStage::configure(const ICLTensor *input, const ICLTensor *b _kernel = std::move(k); break; } + case DataType::QSYMM16: + { + auto k = arm_compute::support::cpp14::make_unique(); + k->configure(input, bias, output, info.gemmlowp_multiplier, info.gemmlowp_shift, info.gemmlowp_min_bound, info.gemmlowp_max_bound); + _kernel = std::move(k); + break; + } default: ARM_COMPUTE_ERROR("Unsupported output data type."); } @@ -188,6 +195,8 @@ Status CLGEMMLowpOutputStage::validate(const ITensorInfo *input, const ITensorIn return CLGEMMLowpQuantizeDownInt32ToUint8ScaleByFixedPointKernel::validate(input, bias, output, info.gemmlowp_min_bound, info.gemmlowp_max_bound); case DataType::QASYMM8_SIGNED: return CLGEMMLowpQuantizeDownInt32ToInt8ScaleByFixedPointKernel::validate(input, bias, output, info.gemmlowp_min_bound, info.gemmlowp_max_bound); + case DataType::QSYMM16: + return CLGEMMLowpQuantizeDownInt32ToInt16ScaleByFixedPointKernel::validate(input, bias, output, info.gemmlowp_min_bound, info.gemmlowp_max_bound); default: return ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Unsupported output data type."); } diff --git a/src/runtime/CL/functions/CLQLSTMLayer.cpp b/src/runtime/CL/functions/CLQLSTMLayer.cpp new file mode 100644 index 0000000000..4b994d47b2 --- /dev/null +++ b/src/runtime/CL/functions/CLQLSTMLayer.cpp @@ -0,0 +1,853 @@ +/* + * Copyright (c) 2020 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. + */ +#include "arm_compute/runtime/CL/functions/CLQLSTMLayer.h" + +#include "arm_compute/core/KernelDescriptors.h" +#include "arm_compute/core/QuantizationInfo.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/utils/misc/InfoHelpers.h" +#include "arm_compute/core/utils/quantization/AsymmHelpers.h" +#include "arm_compute/runtime/CL/CLScheduler.h" + +namespace arm_compute +{ +using namespace arm_compute::utils::info_helpers; +namespace +{ +Status validate_mm(GEMMLowpOutputStageInfo &gemmlowp_info, const ITensorInfo *mm_input, const ITensorInfo *mm_weights, const ITensorInfo *bias, + float gemmlowp_scale, const TensorInfo *mm_res_info, const TensorInfo *outstage_tensor_info) +{ + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixMultiplyCore::validate(mm_input, mm_weights, nullptr, mm_res_info)); + ARM_COMPUTE_RETURN_ON_ERROR(quantization::calculate_quantized_multiplier(gemmlowp_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift)); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpOutputStage::validate(mm_res_info, bias, outstage_tensor_info, gemmlowp_info)); + return Status{}; +} +} // namespace + +CLQLSTMLayer::CLQLSTMLayer(std::shared_ptr memory_manager) +{ + _memory_group = MemoryGroup(std::move(memory_manager)); +} + +void CLQLSTMLayer::configure_mm(CLGEMMLowpMatrixMultiplyCore &mm, CLGEMMLowpOutputStage &outstage, GEMMLowpOutputStageInfo &gemmlowp_info, + const ICLTensor *mm_input, const ICLTensor *mm_weights, const ICLTensor *bias, + CLTensor *mm_res, CLTensor *outstage_res, float gemmlowp_scale, + const TensorInfo &mm_res_info, const TensorInfo &outstage_tensor_info) +{ + _memory_group.manage(mm_res); + _memory_group.manage(outstage_res); + + mm_res->allocator()->init(mm_res_info); + outstage_res->allocator()->init(outstage_tensor_info); + + // Configure matrix-multiplication + mm.configure(mm_input, mm_weights, nullptr, mm_res); + + // Configure output stage + quantization::calculate_quantized_multiplier(gemmlowp_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift); + outstage.configure(mm_res, bias, outstage_res, gemmlowp_info); + mm_res->allocator()->allocate(); +} + +void CLQLSTMLayer::configure(const ICLTensor *input, + const ICLTensor *input_to_forget_weights, const ICLTensor *input_to_cell_weights, const ICLTensor *input_to_output_weights, + const ICLTensor *recurrent_to_forget_weights, const ICLTensor *recurrent_to_cell_weights, const ICLTensor *recurrent_to_output_weights, + const ICLTensor *forget_gate_bias, const ICLTensor *cell_bias, const ICLTensor *output_gate_bias, + const ICLTensor *cell_state_in, const ICLTensor *output_state_in, + ICLTensor *cell_state_out, ICLTensor *output_state_out, + const LSTMParams &lstm_params) +{ + ARM_COMPUTE_UNUSED(forget_gate_bias); + ARM_COMPUTE_UNUSED(cell_bias); + ARM_COMPUTE_UNUSED(output_gate_bias); + ARM_COMPUTE_ERROR_ON_NULLPTR(input, input_to_forget_weights, input_to_cell_weights, input_to_output_weights, + recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights, + forget_gate_bias, cell_bias, output_gate_bias, cell_state_in, output_state_in, cell_state_out, output_state_out); + + // Set lstm parameters + LSTMParams lstm_params_info{}; + build_lstm_params_tensor_info(lstm_params, &lstm_params_info); + + // Validate + ARM_COMPUTE_ERROR_THROW_ON(CLQLSTMLayer::validate(input->info(), input_to_forget_weights->info(), input_to_cell_weights->info(), input_to_output_weights->info(), + recurrent_to_forget_weights->info(), recurrent_to_cell_weights->info(), recurrent_to_output_weights->info(), + forget_gate_bias->info(), cell_bias->info(), output_gate_bias->info(), + cell_state_in->info(), output_state_in->info(), cell_state_out->info(), output_state_out->info(), lstm_params_info)); + + const int batch_size = input->info()->dimension(1); + const int num_units = input_to_output_weights->info()->dimension(1); + + const UniformQuantizationInfo qinput = input->info()->quantization_info().uniform(); + const UniformQuantizationInfo qcell_state_in = cell_state_in->info()->quantization_info().uniform(); + const UniformQuantizationInfo qoutput_state_in = output_state_in->info()->quantization_info().uniform(); + + _projection_bias = lstm_params.projection_bias(); + _input_to_forget_weights = input_to_forget_weights; + _input_to_cell_weights = input_to_cell_weights; + _input_to_output_weights = input_to_output_weights; + _recurrent_to_forget_weights = recurrent_to_forget_weights; + _recurrent_to_cell_weights = recurrent_to_cell_weights; + _recurrent_to_output_weights = recurrent_to_output_weights; + _projection_weights = lstm_params.projection_weights(); + + _has_cifg = lstm_params.has_cifg_opt(); + _has_projection = lstm_params.has_projection(); + _has_peephole = lstm_params.has_peephole_opt(); + + // Calculate and decompose effective scales for optimizing matmul calculation + const int32_t cell_shift = log2(qcell_state_in.scale); + + // Calculate quantized parameters for clipping. + int16_t quantized_cell_clip = 0; + if(lstm_params.cell_clip() > 0.0f) + { + quantized_cell_clip = quantize_qsymm16(lstm_params.cell_clip(), qcell_state_in); + } + _has_cell_clipping = quantized_cell_clip > 0; + + // Precompute effective bias for optimizing the matmul computations. + if(!_has_cifg) + { + _input_to_input_weights = lstm_params.input_to_input_weights(); + _recurrent_to_input_weights = lstm_params.recurrent_to_input_weights(); + + _input_to_input_reduction.configure(_input_to_input_weights, &_input_to_input_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true)); + _recurrent_to_input_reduction.configure(_recurrent_to_input_weights, &_recurrent_to_input_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, true)); + } + _input_to_forget_reduction.configure(input_to_forget_weights, &_input_to_forget_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true)); + _recurrent_to_forget_reduction.configure(recurrent_to_forget_weights, &_recurrent_to_forget_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, true)); + _input_to_cell_reduction.configure(input_to_cell_weights, &_input_to_cell_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true)); + _recurrent_to_cell_reduction.configure(recurrent_to_cell_weights, &_recurrent_to_cell_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, true)); + _input_to_output_reduction.configure(input_to_output_weights, &_input_to_output_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true)); + _recurrent_to_output_reduction.configure(recurrent_to_output_weights, &_recurrent_to_output_eff_bias, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, true)); + if(_projection_bias != nullptr) + { + _projection_reduction.configure(_projection_weights, &_projection_reduction_res, GEMMLowpReductionKernelInfo(num_units, false, lstm_params.hidden_state_zero(), true)); + _projection_bias_add.configure(ArithmeticOperation::ADD, _projection_bias, &_projection_reduction_res, &_projection_eff_bias, ConvertPolicy::SATURATE); + } + + // Pre-transpose weights to be used in GEMM. + _transpose_input_to_forget_weights.configure(input_to_forget_weights, &_input_to_forget_weights_transposed); + _transpose_input_to_cell_weights.configure(input_to_cell_weights, &_input_to_cell_weights_transposed); + _transpose_input_to_output_weights.configure(input_to_output_weights, &_input_to_output_weights_transposed); + _transpose_recurrent_to_forget_weights.configure(recurrent_to_forget_weights, &_recurrent_to_forget_weights_transposed); + _transpose_recurrent_to_cell_weights.configure(recurrent_to_cell_weights, &_recurrent_to_cell_weights_transposed); + _transpose_recurrent_to_output_weights.configure(recurrent_to_output_weights, &_recurrent_to_output_weights_transposed); + if(!_has_cifg) + { + _transpose_input_to_input_weights.configure(lstm_params.input_to_input_weights(), &_input_to_input_weights_transposed); + _transpose_recurrent_to_input_weights.configure(lstm_params.recurrent_to_input_weights(), &_recurrent_to_input_weights_transposed); + } + if(_has_projection) + { + _transpose_projection_weights.configure(_projection_weights, &_projection_weights_transposed); + } + + GEMMLowpOutputStageInfo gemmlowp_info; + gemmlowp_info.type = GEMMLowpOutputStageType::QUANTIZE_DOWN_FIXEDPOINT; + gemmlowp_info.gemmlowp_min_bound = std::numeric_limits::lowest(); + gemmlowp_info.gemmlowp_max_bound = std::numeric_limits::max(); + gemmlowp_info.output_data_type = DataType::QSYMM16; + + const TensorInfo mm_out_info(TensorShape(num_units, batch_size), 1, DataType::S32); + // Forget gate. + const TensorInfo forget_gate_outstage_info(mm_out_info.tensor_shape(), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.forget_intermediate_scale(), 0)); + const float input_to_forget_scale = input_to_forget_weights->info()->quantization_info().uniform().scale * qinput.scale / lstm_params.forget_intermediate_scale(); + configure_mm(_mm_input_to_forget, _input_to_forget_outstage, gemmlowp_info, + input, &_input_to_forget_weights_transposed, &_input_to_forget_eff_bias, + &_mm_input_to_forget_res, &_input_to_forget_outstage_res, input_to_forget_scale, + mm_out_info, forget_gate_outstage_info); + + const float recurrent_to_forget_scale = recurrent_to_forget_weights->info()->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.forget_intermediate_scale(); + configure_mm(_mm_recurrent_to_forget, _recurrent_to_forget_outstage, gemmlowp_info, + output_state_in, &_recurrent_to_forget_weights_transposed, &_recurrent_to_forget_eff_bias, + &_mm_recurrent_to_forget_res, &_recurrent_to_forget_outstage_res, recurrent_to_forget_scale, + mm_out_info, forget_gate_outstage_info); + + _accumulate_input_recurrent_forget.configure(ArithmeticOperation::ADD, &_input_to_forget_outstage_res, &_recurrent_to_forget_outstage_res, &_recurrent_to_forget_outstage_res, ConvertPolicy::SATURATE); + _input_to_forget_outstage_res.allocator()->allocate(); + + if(_has_peephole) + { + _memory_group.manage(&_mul_cell_to_forget_res); + _pixelwise_mul_cell_to_forget.configure(cell_state_in, lstm_params.cell_to_forget_weights(), &_mul_cell_to_forget_res, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO); + _cell_to_forget_outstage_res.allocator()->init(TensorInfo(_mul_cell_to_forget_res.info()->tensor_shape(), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.forget_intermediate_scale(), 0))); + _memory_group.manage(&_cell_to_forget_outstage_res); + const float cell_to_forget_scale = std::pow(2, cell_shift) * lstm_params.cell_to_forget_weights()->info()->quantization_info().uniform().scale / lstm_params.forget_intermediate_scale(); + quantization::calculate_quantized_multiplier(cell_to_forget_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift); + _cell_to_forget_outstage.configure(&_mul_cell_to_forget_res, nullptr, &_cell_to_forget_outstage_res, gemmlowp_info); + _mul_cell_to_forget_res.allocator()->allocate(); + _accumulate_cell_forget.configure(ArithmeticOperation::ADD, &_recurrent_to_forget_outstage_res, &_cell_to_forget_outstage_res, &_recurrent_to_forget_outstage_res, ConvertPolicy::SATURATE); + _cell_to_forget_outstage_res.allocator()->allocate(); + } + + // Output quantization info of Sigmoid and Tanh activations + const QuantizationInfo sigmoid_tanh_outqinfo(1.f / 32768.f, 0); + + const TensorInfo forget_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + _memory_group.manage(&_forget_gate); + _forget_gate.allocator()->init(forget_gate_info); + _forget_gate_sigmoid.configure(&_recurrent_to_forget_outstage_res, &_forget_gate, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC)); + _recurrent_to_forget_outstage_res.allocator()->allocate(); + + // Modulation gate. + const TensorInfo cell_outstage_info(mm_out_info.tensor_shape(), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.cell_intermediate_scale(), 0)); + const float input_to_cell_scale = input_to_cell_weights->info()->quantization_info().uniform().scale * qinput.scale / lstm_params.cell_intermediate_scale(); + configure_mm(_mm_input_to_cell, _input_to_cell_outstage, gemmlowp_info, + input, &_input_to_cell_weights_transposed, &_input_to_cell_eff_bias, + &_mm_input_to_cell_res, &_input_to_cell_outstage_res, input_to_cell_scale, + mm_out_info, cell_outstage_info); + + const float recurrent_to_cell_scale = recurrent_to_cell_weights->info()->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.cell_intermediate_scale(); + configure_mm(_mm_recurrent_to_cell, _recurrent_to_cell_outstage, gemmlowp_info, + output_state_in, &_recurrent_to_cell_weights_transposed, &_recurrent_to_cell_eff_bias, + &_mm_recurrent_to_cell_res, &_recurrent_to_cell_outstage_res, recurrent_to_cell_scale, + mm_out_info, cell_outstage_info); + + _accumulate_input_recurrent_modulation.configure(ArithmeticOperation::ADD, &_input_to_cell_outstage_res, &_recurrent_to_cell_outstage_res, &_recurrent_to_cell_outstage_res, ConvertPolicy::SATURATE); + _input_to_cell_outstage_res.allocator()->allocate(); + + const TensorInfo cell_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + _memory_group.manage(&_cell_gate); + _cell_gate.allocator()->init(cell_gate_info); + _cell_gate_tanh.configure(&_recurrent_to_cell_outstage_res, &_cell_gate, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::TANH, 1.f, 1.f)); + _recurrent_to_cell_outstage_res.allocator()->allocate(); + + // Input gate. + const TensorInfo input_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + _input_gate.allocator()->init(input_gate_info); + _memory_group.manage(&_input_gate); + if(_has_cifg) + { + _ones.allocator()->init(*_forget_gate.info()); + _input_gate_sub.configure(ArithmeticOperation::SUB, &_ones, &_forget_gate, &_input_gate, ConvertPolicy::SATURATE); + _ones.allocator()->allocate(); + } + else + { + const TensorInfo input_outstage_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.input_intermediate_scale(), 0)); + const float input_to_input_scale = _input_to_input_weights->info()->quantization_info().uniform().scale * qinput.scale / lstm_params.input_intermediate_scale(); + configure_mm(_mm_input_to_input, _input_to_input_outstage, gemmlowp_info, + input, &_input_to_input_weights_transposed, &_input_to_input_eff_bias, + &_mm_input_to_input_res, &_input_to_input_outstage_res, input_to_input_scale, + mm_out_info, input_outstage_info); + + const float recurrent_to_input_scale = _recurrent_to_input_weights->info()->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.input_intermediate_scale(); + configure_mm(_mm_recurrent_to_input, _recurrent_to_input_outstage, gemmlowp_info, + input, &_recurrent_to_input_weights_transposed, &_recurrent_to_input_eff_bias, + &_mm_recurrent_to_input_res, &_recurrent_to_input_outstage_res, recurrent_to_input_scale, + mm_out_info, input_outstage_info); + _accumulate_input_recurrent_input.configure(ArithmeticOperation::ADD, &_input_to_input_outstage_res, &_recurrent_to_input_outstage_res, &_recurrent_to_input_outstage_res, ConvertPolicy::SATURATE); + _input_to_input_outstage_res.allocator()->allocate(); + + if(_has_peephole) + { + _memory_group.manage(&_mul_cell_to_input_res); + _pixelwise_mul_cell_to_input.configure(cell_state_in, lstm_params.cell_to_input_weights(), &_mul_cell_to_input_res, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO); + const float cell_to_input_scale = std::pow(2, cell_shift) * lstm_params.cell_to_input_weights()->info()->quantization_info().uniform().scale / lstm_params.input_intermediate_scale(); + quantization::calculate_quantized_multiplier(cell_to_input_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift); + _cell_to_input_outstage_res.allocator()->init(TensorInfo(_mul_cell_to_input_res.info()->tensor_shape(), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.input_intermediate_scale(), 0))); + _memory_group.manage(&_cell_to_input_outstage_res); + _cell_to_input_outstage.configure(&_mul_cell_to_input_res, nullptr, &_cell_to_input_outstage_res, gemmlowp_info); + _mul_cell_to_input_res.allocator()->allocate(); + _accumulate_cell_input.configure(ArithmeticOperation::ADD, &_recurrent_to_input_outstage_res, &_cell_to_input_outstage_res, &_recurrent_to_input_outstage_res, ConvertPolicy::SATURATE); + _cell_to_input_outstage_res.allocator()->allocate(); + } + + _input_gate_tanh.configure(&_recurrent_to_input_outstage_res, &_input_gate, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::TANH, 1.f, 1.f)); + _recurrent_to_input_outstage_res.allocator()->allocate(); + } + // Cell. + // TODO(COMPMID-3396): Perform multiplication in the quantized domain in CLPixelWiseMultiplicationKernel + _pixelwise_mul_forget_cell.configure(&_forget_gate, cell_state_in, &_forget_gate, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO); + const float cell_gate_scale = _cell_gate.info()->quantization_info().uniform().scale; + const float mul_input_cell_scale = cell_gate_scale * std::pow(2, 15 + cell_shift); + const TensorInfo mul_input_cell_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, QuantizationInfo(mul_input_cell_scale, 0)); + _memory_group.manage(&_mul_input_cell_res); + _mul_input_cell_res.allocator()->init(mul_input_cell_info); + _pixelwise_mul_input_cell.configure(&_input_gate, &_cell_gate, &_mul_input_cell_res, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO); + _cell_gate.allocator()->allocate(); + _add_forget_cell.configure(ArithmeticOperation::ADD, &_forget_gate, &_mul_input_cell_res, cell_state_out, ConvertPolicy::SATURATE); + _mul_input_cell_res.allocator()->allocate(); + _forget_gate.allocator()->allocate(); + if(_has_cell_clipping) + { + _cell_clip.configure(cell_state_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -quantized_cell_clip, quantized_cell_clip)); + } + // Output gate. + const TensorInfo output_outstage_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.output_intermediate_scale(), 0)); + const float input_to_output_scale = input_to_output_weights->info()->quantization_info().uniform().scale * qinput.scale / lstm_params.output_intermediate_scale(); + configure_mm(_mm_input_to_output, _input_to_output_outstage, gemmlowp_info, + input, &_input_to_output_weights_transposed, &_input_to_output_eff_bias, + &_mm_input_to_output_res, &_input_to_output_outstage_res, input_to_output_scale, + mm_out_info, output_outstage_info); + + const float recurrent_to_output_scale = recurrent_to_output_weights->info()->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.output_intermediate_scale(); + configure_mm(_mm_recurrent_to_output, _recurrent_to_output_outstage, gemmlowp_info, + output_state_in, &_recurrent_to_output_weights_transposed, &_recurrent_to_output_eff_bias, + &_mm_recurrent_to_output_res, &_recurrent_to_output_outstage_res, recurrent_to_output_scale, + mm_out_info, output_outstage_info); + + _accumulate_input_recurrent_output.configure(ArithmeticOperation::ADD, &_recurrent_to_output_outstage_res, &_input_to_output_outstage_res, &_recurrent_to_output_outstage_res, ConvertPolicy::SATURATE); + _input_to_output_outstage_res.allocator()->allocate(); + + if(_has_peephole) + { + // TODO(COMPMID-3396): Perform multiplication in the quantized domain in CLPixelWiseMultiplicationKernel + // Here we are not using the output stage because all operations are done in float + // const float cell_to_output_scale = std::pow(2, cell_shift) * lstm_params.cell_to_output_weights()->info()->quantization_info().uniform().scale / lstm_params.output_intermediate_scale(); + // quantization::calculate_quantized_multiplier(cell_to_output_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift); + _memory_group.manage(&_mul_cell_to_output_res); + _pixelwise_mul_cell_to_output.configure(cell_state_out, lstm_params.cell_to_output_weights(), &_mul_cell_to_output_res, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO); + _accumulate_cell_to_output.configure(ArithmeticOperation::ADD, &_recurrent_to_output_outstage_res, &_mul_cell_to_output_res, &_recurrent_to_output_outstage_res, ConvertPolicy::SATURATE); + _mul_cell_to_output_res.allocator()->allocate(); + } + + const TensorInfo output_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + _memory_group.manage(&_output_gate); + _output_gate.allocator()->init(output_gate_info); + _output_gate_sigmoid.configure(&_recurrent_to_output_outstage_res, &_output_gate, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC)); + _recurrent_to_output_outstage_res.allocator()->allocate(); + + // Hidden. + _hidden_tanh.configure(cell_state_out, &_input_gate, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::TANH, 1.f, 1.f)); + // TODO(COMPMID-3396): Perform multiplication in the quantized domain in CLPixelWiseMultiplicationKernel + _memory_group.manage(&_hidden_mul_res); + const TensorInfo hidden_mul_res(_input_gate.info()->tensor_shape(), 1, DataType::S32); + _hidden_mul_res.allocator()->init(hidden_mul_res); + _pixelwise_mul_hidden.configure(&_output_gate, &_input_gate, &_hidden_mul_res, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO); + _output_gate.allocator()->allocate(); + _input_gate.allocator()->allocate(); + const float hidden_state_scale = std::pow(2, -15) / lstm_params.hidden_state_scale() * std::pow(2, -15); + quantization::calculate_quantized_multiplier(hidden_state_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift, /* ignore_epsilon */ true); + gemmlowp_info.gemmlowp_offset = lstm_params.hidden_state_zero(); + gemmlowp_info.output_data_type = output_state_in->info()->data_type(); + _hidden_outstage.configure(&_hidden_mul_res, nullptr, output_state_out, gemmlowp_info); + _hidden_mul_res.allocator()->allocate(); + + // Projection. + if(_has_projection) + { + const TensorInfo projection_outstage_info(*output_state_out->info()); + const UniformQuantizationInfo qprojection = _projection_weights->info()->quantization_info().uniform(); + const float projection_scale = qprojection.scale * lstm_params.hidden_state_scale() / qoutput_state_in.scale; + gemmlowp_info.gemmlowp_offset = qoutput_state_in.offset; + gemmlowp_info.gemmlowp_min_bound = std::numeric_limits::lowest(); + gemmlowp_info.gemmlowp_max_bound = std::numeric_limits::max(); + gemmlowp_info.output_data_type = DataType::QASYMM8_SIGNED; + + configure_mm(_mm_projection, _projection_outstage, gemmlowp_info, + output_state_out, &_projection_weights_transposed, &_projection_eff_bias, + &_mm_projection_res, &_projection_outstage_res, projection_scale, + mm_out_info, projection_outstage_info); + + _accumulate_projection.configure(ArithmeticOperation::ADD, &_projection_outstage_res, output_state_out, output_state_out, ConvertPolicy::SATURATE); + _projection_outstage_res.allocator()->allocate(); + + int8_t quantized_projection_clip{ 0 }; + if(lstm_params.projection_clip() > 0.0f) + { + quantized_projection_clip = utility::clamp(lstm_params.projection_clip() / qprojection.scale, -128, 127); + } + + if(quantized_projection_clip > 0) + { + _projection_clip.configure(output_state_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -quantized_projection_clip, quantized_projection_clip)); + _has_projection_clipping = true; + } + } +} + +Status CLQLSTMLayer::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 *cell_state_in, const ITensorInfo *output_state_in, + const ITensorInfo *cell_state_out, const ITensorInfo *output_state_out, + const LSTMParams &lstm_params) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, input_to_forget_weights, input_to_cell_weights, input_to_output_weights, recurrent_to_forget_weights, recurrent_to_cell_weights, + recurrent_to_output_weights, forget_gate_bias, cell_bias, output_gate_bias, cell_state_in, output_state_in, cell_state_out, output_state_out); + + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8_SIGNED); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->num_dimensions() != 2, "Input must have exactly 2 dimensions"); + + const unsigned int input_size = input->dimension(0); + const unsigned int batch_size = input->dimension(1); + const unsigned int num_units = input_to_output_weights->dimension(1); + const unsigned int output_size = recurrent_to_output_weights->dimension(0); + + ARM_COMPUTE_RETURN_ERROR_ON(input_to_output_weights->num_dimensions() != 2); + ARM_COMPUTE_RETURN_ERROR_ON(input_to_output_weights->dimension(0) != input_size); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input_to_output_weights, input_to_forget_weights, input_to_cell_weights); + ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_output_weights->num_dimensions() != 2); + ARM_COMPUTE_RETURN_ERROR_ON(recurrent_to_output_weights->dimension(1) != num_units); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(recurrent_to_output_weights, recurrent_to_forget_weights, recurrent_to_cell_weights); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input_to_forget_weights, 1, DataType::QSYMM8); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input_to_forget_weights, input_to_cell_weights, input_to_output_weights, + recurrent_to_forget_weights, recurrent_to_cell_weights, recurrent_to_output_weights); + + ARM_COMPUTE_RETURN_ERROR_ON(forget_gate_bias->num_dimensions() != 1); + ARM_COMPUTE_RETURN_ERROR_ON(forget_gate_bias->dimension(0) != num_units); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(forget_gate_bias, cell_bias, output_gate_bias); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(forget_gate_bias, 1, DataType::S32); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(forget_gate_bias, cell_bias, output_gate_bias); + + ARM_COMPUTE_RETURN_ERROR_ON(cell_state_in->num_dimensions() != 2); + ARM_COMPUTE_RETURN_ERROR_ON(cell_state_in->dimension(0) != num_units); + ARM_COMPUTE_RETURN_ERROR_ON(cell_state_in->dimension(1) != batch_size); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(cell_state_in, 1, DataType::QSYMM16); + + ARM_COMPUTE_RETURN_ERROR_ON(output_state_in->num_dimensions() != 2); + ARM_COMPUTE_RETURN_ERROR_ON(output_state_in->dimension(0) != output_size); + ARM_COMPUTE_RETURN_ERROR_ON(output_state_in->dimension(1) != batch_size); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output_state_in); + + // Check whether peephole weights are all there or none + if(lstm_params.has_peephole_opt()) + { + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.cell_to_forget_weights(), lstm_params.cell_to_output_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(lstm_params.cell_to_forget_weights(), 1, DataType::QSYMM16); + ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_to_forget_weights()->num_dimensions() != 1); + ARM_COMPUTE_RETURN_ERROR_ON(lstm_params.cell_to_forget_weights()->dimension(0) != num_units); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(lstm_params.cell_to_forget_weights(), lstm_params.cell_to_output_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(lstm_params.cell_to_forget_weights(), lstm_params.cell_to_output_weights()); + + if(!lstm_params.has_cifg_opt()) + { + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.cell_to_input_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(lstm_params.cell_to_forget_weights(), lstm_params.cell_to_input_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(lstm_params.cell_to_forget_weights(), lstm_params.cell_to_input_weights()); + } + } + + const UniformQuantizationInfo qinput = input->quantization_info().uniform(); + const UniformQuantizationInfo qcell_state_in = cell_state_in->quantization_info().uniform(); + const UniformQuantizationInfo qoutput_state_in = output_state_in->quantization_info().uniform(); + + // Calculate and decompose effective scales for optimizing matmul calculation + const int32_t cell_shift = log2(qcell_state_in.scale); + ARM_COMPUTE_RETURN_ERROR_ON(cell_shift > -9); + + // Calculate quantized parameters for clipping. + int16_t quantized_cell_clip = 0; + if(lstm_params.cell_clip() > 0.0f) + { + quantized_cell_clip = quantize_qsymm16(lstm_params.cell_clip(), qcell_state_in); + } + + // Precompute effective bias for optimizing the matmul computations. + const TensorInfo eff_bias_info(TensorShape(num_units), 1, DataType::S32); + if(!lstm_params.has_cifg_opt()) + { + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(lstm_params.input_to_input_weights(), &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true))); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(lstm_params.recurrent_to_input_weights(), &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, + true))); + } + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(input_to_forget_weights, &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true))); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(recurrent_to_forget_weights, &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, true))); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(input_to_cell_weights, &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true))); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(recurrent_to_cell_weights, &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, true))); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(input_to_output_weights, &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qinput.offset, true))); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(recurrent_to_output_weights, &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, -qoutput_state_in.offset, true))); + if(lstm_params.projection_bias() != nullptr) + { + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixAReductionKernel::validate(lstm_params.projection_weights(), &eff_bias_info, GEMMLowpReductionKernelInfo(num_units, false, lstm_params.hidden_state_zero(), + true))); + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, lstm_params.projection_bias(), &eff_bias_info, &eff_bias_info, ConvertPolicy::SATURATE)); + } + + const TensorInfo input_weights_transposed(TensorShape(num_units, input_size), 1, input_to_forget_weights->data_type(), input_to_forget_weights->quantization_info()); + const TensorInfo recurrent_weights_transposed(TensorShape(num_units, output_size), 1, recurrent_to_forget_weights->data_type(), recurrent_to_forget_weights->quantization_info()); + + // Validate weights transpose + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(input_to_forget_weights, &input_weights_transposed)); + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(input_to_cell_weights, &input_weights_transposed)); + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(input_to_output_weights, &input_weights_transposed)); + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(recurrent_to_forget_weights, &recurrent_weights_transposed)); + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(recurrent_to_cell_weights, &recurrent_weights_transposed)); + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(recurrent_to_output_weights, &recurrent_weights_transposed)); + if(!lstm_params.has_cifg_opt()) + { + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(lstm_params.input_to_input_weights(), &input_weights_transposed)); + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(lstm_params.recurrent_to_input_weights(), &recurrent_weights_transposed)); + } + if(lstm_params.has_projection()) + { + ARM_COMPUTE_RETURN_ON_ERROR(CLTranspose::validate(lstm_params.projection_weights(), &recurrent_weights_transposed)); + } + + GEMMLowpOutputStageInfo gemmlowp_info; + gemmlowp_info.type = GEMMLowpOutputStageType::QUANTIZE_DOWN_FIXEDPOINT; + gemmlowp_info.gemmlowp_min_bound = std::numeric_limits::lowest(); + gemmlowp_info.gemmlowp_max_bound = std::numeric_limits::max(); + gemmlowp_info.output_data_type = DataType::QSYMM16; + + // Forget gate. + const TensorInfo forget_outstage_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.forget_intermediate_scale(), 0)); + const TensorInfo mm_out_info(TensorShape(num_units, batch_size), 1, DataType::S32); + const float input_to_forget_scale = input_to_forget_weights->quantization_info().uniform().scale * qinput.scale / lstm_params.forget_intermediate_scale(); + validate_mm(gemmlowp_info, input, &input_weights_transposed, &eff_bias_info, input_to_forget_scale, &mm_out_info, &forget_outstage_info); + + const float recurrent_to_forget_scale = recurrent_to_forget_weights->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.forget_intermediate_scale(); + validate_mm(gemmlowp_info, input, &recurrent_weights_transposed, &eff_bias_info, recurrent_to_forget_scale, &mm_out_info, &forget_outstage_info); + + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &forget_outstage_info, &forget_outstage_info, &forget_outstage_info, ConvertPolicy::SATURATE)); + + if(lstm_params.has_peephole_opt()) + { + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(lstm_params.cell_to_forget_weights(), 1, DataType::QSYMM16); + ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplicationKernel::validate(cell_state_in, lstm_params.cell_to_forget_weights(), &mm_out_info, 1.f, ConvertPolicy::SATURATE, + RoundingPolicy::TO_ZERO)); + const float cell_to_forget_scale = std::pow(2, cell_shift) * lstm_params.cell_to_forget_weights()->quantization_info().uniform().scale / lstm_params.forget_intermediate_scale(); + ARM_COMPUTE_RETURN_ON_ERROR(quantization::calculate_quantized_multiplier(cell_to_forget_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift)); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpOutputStage::validate(&mm_out_info, nullptr, &forget_outstage_info, gemmlowp_info)); + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &forget_outstage_info, &forget_outstage_info, &forget_outstage_info, ConvertPolicy::SATURATE)); + } + + // Output quantization info of Sigmoid and Tanh activations + const QuantizationInfo sigmoid_tanh_outqinfo(1.f / 32768.f, 0); + + const TensorInfo forget_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&forget_outstage_info, &forget_gate_info, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC))); + + // Modulation gate. + const TensorInfo cell_outstage_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.cell_intermediate_scale(), 0)); + const float input_to_cell_scale = input_to_cell_weights->quantization_info().uniform().scale * qinput.scale / lstm_params.cell_intermediate_scale(); + validate_mm(gemmlowp_info, input, &input_weights_transposed, &eff_bias_info, input_to_cell_scale, &mm_out_info, &cell_outstage_info); + + const float recurrent_to_cell_scale = recurrent_to_cell_weights->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.cell_intermediate_scale(); + validate_mm(gemmlowp_info, input, &input_weights_transposed, &eff_bias_info, recurrent_to_cell_scale, &mm_out_info, &cell_outstage_info); + + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &cell_outstage_info, &cell_outstage_info, &cell_outstage_info, ConvertPolicy::SATURATE)); + + const TensorInfo cell_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&cell_outstage_info, &cell_gate_info, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::TANH, 1.f, 1.f))); + + // Input gate. + const TensorInfo input_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + if(lstm_params.has_cifg_opt()) + { + ARM_COMPUTE_RETURN_ERROR_ON_MSG(lstm_params.input_gate_bias() != nullptr, "Input gate bias must not be present when CIFG is used"); + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::SUB, &input_gate_info, &forget_gate_info, &forget_gate_info, ConvertPolicy::SATURATE)); + } + else + { + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(lstm_params.input_to_input_weights(), lstm_params.recurrent_to_input_weights(), lstm_params.input_gate_bias()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input_to_forget_weights, lstm_params.input_to_input_weights(), lstm_params.recurrent_to_input_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input_to_forget_weights, lstm_params.input_to_input_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(recurrent_to_forget_weights, lstm_params.recurrent_to_input_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(forget_gate_bias, lstm_params.input_gate_bias()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(forget_gate_bias, lstm_params.input_gate_bias()); + + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpMatrixMultiplyCore::validate(input, lstm_params.input_to_input_weights(), nullptr, &mm_out_info)); + const TensorInfo input_outstage_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.input_intermediate_scale(), 0)); + const float input_to_input_scale = lstm_params.input_to_input_weights()->quantization_info().uniform().scale * qinput.scale / lstm_params.input_intermediate_scale(); + validate_mm(gemmlowp_info, input, lstm_params.input_to_input_weights(), &eff_bias_info, input_to_input_scale, &mm_out_info, &input_outstage_info); + + const float recurrent_to_input_scale = lstm_params.recurrent_to_input_weights()->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.input_intermediate_scale(); + validate_mm(gemmlowp_info, input, lstm_params.recurrent_to_input_weights(), &eff_bias_info, recurrent_to_input_scale, &mm_out_info, &input_outstage_info); + + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &input_outstage_info, &input_outstage_info, &input_outstage_info, ConvertPolicy::SATURATE)); + + if(lstm_params.has_peephole_opt()) + { + ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplicationKernel::validate(cell_state_in, lstm_params.cell_to_input_weights(), &input_outstage_info, 1.f, ConvertPolicy::SATURATE, + RoundingPolicy::TO_ZERO)); + const float cell_to_input_scale = std::pow(2, cell_shift) * lstm_params.cell_to_input_weights()->quantization_info().uniform().scale / lstm_params.input_intermediate_scale(); + ARM_COMPUTE_RETURN_ON_ERROR(quantization::calculate_quantized_multiplier(cell_to_input_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift)); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpOutputStage::validate(&input_outstage_info, &eff_bias_info, &input_outstage_info, gemmlowp_info)); + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &input_outstage_info, &input_outstage_info, &input_outstage_info, ConvertPolicy::SATURATE)); + } + + ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&input_outstage_info, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::TANH, 1.f, 1.f))); + } + // Cell. + ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplicationKernel::validate(&forget_gate_info, cell_state_in, &forget_gate_info, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO)); + ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplicationKernel::validate(&input_gate_info, cell_state_in, &cell_gate_info, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO)); + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &forget_gate_info, &cell_gate_info, cell_state_out, ConvertPolicy::SATURATE)); + if(quantized_cell_clip > 0) + { + ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(cell_state_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -quantized_cell_clip, + quantized_cell_clip))); + } + // Output gate. + const TensorInfo output_outstage_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, QuantizationInfo(lstm_params.output_intermediate_scale(), 0)); + const float input_to_output_scale = input_to_output_weights->quantization_info().uniform().scale * qinput.scale / lstm_params.output_intermediate_scale(); + validate_mm(gemmlowp_info, input, &input_weights_transposed, &eff_bias_info, input_to_output_scale, &mm_out_info, &output_outstage_info); + + const float recurrent_to_output_scale = recurrent_to_output_weights->quantization_info().uniform().scale * qoutput_state_in.scale / lstm_params.output_intermediate_scale(); + validate_mm(gemmlowp_info, output_state_in, &recurrent_weights_transposed, &eff_bias_info, recurrent_to_output_scale, &mm_out_info, &output_outstage_info); + + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &output_outstage_info, &output_outstage_info, &output_outstage_info, ConvertPolicy::SATURATE)); + if(lstm_params.has_peephole_opt()) + { + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(lstm_params.cell_to_output_weights(), 1, DataType::QSYMM16); + // TODO(COMPMID-3395): Perform multiplication in the quantized domain in NEPixelWiseMultiplicationKernel + // Here we are not using the output stage because all operations are done in float + // const float cell_to_output_scale = std::pow(2, cell_shift) * lstm_params.cell_to_output_weights()->quantization_info().uniform().scale / lstm_params.output_intermediate_scale(); + // ARM_COMPUTE_RETURN_ON_ERROR(quantization::calculate_quantized_multiplier(cell_to_output_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift)); + ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplicationKernel::validate(cell_state_out, lstm_params.cell_to_output_weights(), &output_outstage_info, 1.f, ConvertPolicy::SATURATE, + RoundingPolicy::TO_ZERO)); + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, &output_outstage_info, &output_outstage_info, &output_outstage_info, ConvertPolicy::SATURATE)); + } + + const TensorInfo output_gate_info(TensorShape(num_units, batch_size), 1, DataType::QSYMM16, sigmoid_tanh_outqinfo); + ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(&output_outstage_info, &output_gate_info, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LOGISTIC))); + + // Hidden. + ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(cell_state_out, &input_gate_info, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::TANH, 1.f, 1.f))); + const TensorInfo hidden_mul_res(TensorShape(num_units, batch_size), 1, DataType::S32); + ARM_COMPUTE_RETURN_ON_ERROR(CLPixelWiseMultiplicationKernel::validate(&output_gate_info, &input_gate_info, &hidden_mul_res, 1.f, ConvertPolicy::SATURATE, RoundingPolicy::TO_ZERO)); + const float hidden_state_scale = std::pow(2, -15) / lstm_params.hidden_state_scale() * std::pow(2, -15); + ARM_COMPUTE_RETURN_ON_ERROR(quantization::calculate_quantized_multiplier(hidden_state_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift, /* ignore_epsilon */ true)); + gemmlowp_info.gemmlowp_offset = lstm_params.hidden_state_zero(); + ARM_COMPUTE_RETURN_ON_ERROR(CLGEMMLowpOutputStage::validate(&hidden_mul_res, nullptr, output_state_out, gemmlowp_info)); + + // Projection. + if(lstm_params.has_projection()) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(recurrent_to_forget_weights, lstm_params.projection_weights()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(forget_gate_bias, lstm_params.projection_bias()); + + const UniformQuantizationInfo qprojection = lstm_params.projection_weights()->quantization_info().uniform(); + const float projection_scale = qprojection.scale * lstm_params.hidden_state_scale() / qoutput_state_in.scale; + ARM_COMPUTE_RETURN_ON_ERROR(quantization::calculate_quantized_multiplier(projection_scale, &gemmlowp_info.gemmlowp_multiplier, &gemmlowp_info.gemmlowp_shift)); + gemmlowp_info.gemmlowp_offset = qoutput_state_in.offset; + gemmlowp_info.gemmlowp_min_bound = std::numeric_limits::lowest(); + gemmlowp_info.gemmlowp_max_bound = std::numeric_limits::max(); + gemmlowp_info.output_data_type = DataType::QASYMM8_SIGNED; + + const TensorInfo projection_outstage_info(*output_state_out); + validate_mm(gemmlowp_info, output_state_out, &recurrent_weights_transposed, &eff_bias_info, input_to_output_scale, &mm_out_info, &projection_outstage_info); + + ARM_COMPUTE_RETURN_ON_ERROR(CLSaturatedArithmeticOperationKernel::validate(ArithmeticOperation::ADD, output_state_out, output_state_out, output_state_out, ConvertPolicy::SATURATE)); + + int8_t quantized_projection_clip{ 0 }; + if(lstm_params.projection_clip() > 0.0f) + { + quantized_projection_clip = quantize_qasymm8_signed(lstm_params.projection_clip(), qprojection); + } + + if(quantized_projection_clip > 0) + { + ARM_COMPUTE_RETURN_ON_ERROR(CLActivationLayer::validate(output_state_out, nullptr, ActivationLayerInfo(ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, -quantized_projection_clip, + quantized_projection_clip))); + } + } + + if(cell_state_out->total_size() > 0) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(cell_state_in, cell_state_out); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(cell_state_in, cell_state_out); + } + + if(output_state_out->total_size() > 0) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output_state_out); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(output_state_in, output_state_out); + } + + return Status{}; +} + +void CLQLSTMLayer::run() +{ + prepare(); + + // Acquire all the temporaries + MemoryGroupResourceScope scope_mg(_memory_group); + + // Forget gate. + _mm_input_to_forget.run(); + _input_to_forget_outstage.run(); + + _mm_recurrent_to_forget.run(); + _recurrent_to_forget_outstage.run(); + CLScheduler::get().enqueue(_accumulate_input_recurrent_forget); + + if(_has_peephole) + { + CLScheduler::get().enqueue(_pixelwise_mul_cell_to_forget); + _cell_to_forget_outstage.run(); + CLScheduler::get().enqueue(_accumulate_cell_forget); + } + + _forget_gate_sigmoid.run(); + + // Modulation gate. + _mm_input_to_cell.run(); + _input_to_cell_outstage.run(); + + _mm_recurrent_to_cell.run(); + _recurrent_to_cell_outstage.run(); + CLScheduler::get().enqueue(_accumulate_input_recurrent_modulation); + + _cell_gate_tanh.run(); + + // Input gate + if(_has_cifg) + { + CLScheduler::get().enqueue(_input_gate_sub); + } + else + { + _mm_input_to_input.run(); + _input_to_input_outstage.run(); + _mm_recurrent_to_input.run(); + _recurrent_to_input_outstage.run(); + CLScheduler::get().enqueue(_accumulate_input_recurrent_input); + + if(_has_peephole) + { + CLScheduler::get().enqueue(_pixelwise_mul_cell_to_input); + _cell_to_input_outstage.run(); + CLScheduler::get().enqueue(_accumulate_cell_input); + } + + _input_gate_tanh.run(); + } + + // Cell. + CLScheduler::get().enqueue(_pixelwise_mul_forget_cell); + CLScheduler::get().enqueue(_pixelwise_mul_input_cell); + CLScheduler::get().enqueue(_add_forget_cell); + if(_has_cell_clipping) + { + _cell_clip.run(); + } + + // Output gate. + _mm_input_to_output.run(); + _input_to_output_outstage.run(); + _mm_recurrent_to_output.run(); + _recurrent_to_output_outstage.run(); + CLScheduler::get().enqueue(_accumulate_input_recurrent_output); + if(_has_peephole) + { + CLScheduler::get().enqueue(_pixelwise_mul_cell_to_output); + CLScheduler::get().enqueue(_accumulate_cell_to_output); + } + + _output_gate_sigmoid.run(); + + // Hidden. + _hidden_tanh.run(); + CLScheduler::get().enqueue(_pixelwise_mul_hidden); + _hidden_outstage.run(); + + // Projection. + if(_has_projection) + { + _mm_projection.run(); + _projection_outstage.run(); + CLScheduler::get().enqueue(_accumulate_projection); + if(_has_projection_clipping) + { + _projection_clip.run(); + } + } +} + +void CLQLSTMLayer::prepare() +{ + if(!_is_prepared) + { + // Pre-transpose weights to be used in GEMM. + _input_to_forget_weights_transposed.allocator()->allocate(); + _input_to_cell_weights_transposed.allocator()->allocate(); + _input_to_output_weights_transposed.allocator()->allocate(); + _recurrent_to_forget_weights_transposed.allocator()->allocate(); + _recurrent_to_cell_weights_transposed.allocator()->allocate(); + _recurrent_to_output_weights_transposed.allocator()->allocate(); + _transpose_input_to_forget_weights.run(); + _transpose_input_to_cell_weights.run(); + _transpose_input_to_output_weights.run(); + _transpose_recurrent_to_forget_weights.run(); + _transpose_recurrent_to_cell_weights.run(); + _transpose_recurrent_to_output_weights.run(); + + // Precompute effective biases + if(_has_cifg) + { + _ones.map(true); + std::fill_n(reinterpret_cast(_ones.buffer()), _ones.info()->total_size() / _ones.info()->element_size(), 32767); + _ones.unmap(); + } + else + { + _input_to_input_eff_bias.allocator()->allocate(); + _recurrent_to_input_eff_bias.allocator()->allocate(); + CLScheduler::get().enqueue(_input_to_input_reduction); + CLScheduler::get().enqueue(_recurrent_to_input_reduction); + + _input_to_input_weights_transposed.allocator()->allocate(); + _recurrent_to_input_weights_transposed.allocator()->allocate(); + _transpose_input_to_input_weights.run(); + _transpose_recurrent_to_input_weights.run(); + _input_to_input_weights->mark_as_unused(); + _recurrent_to_input_weights->mark_as_unused(); + } + _input_to_forget_eff_bias.allocator()->allocate(); + _recurrent_to_forget_eff_bias.allocator()->allocate(); + _input_to_cell_eff_bias.allocator()->allocate(); + _recurrent_to_cell_eff_bias.allocator()->allocate(); + _input_to_output_eff_bias.allocator()->allocate(); + _recurrent_to_output_eff_bias.allocator()->allocate(); + CLScheduler::get().enqueue(_input_to_forget_reduction); + CLScheduler::get().enqueue(_recurrent_to_forget_reduction); + CLScheduler::get().enqueue(_input_to_cell_reduction); + CLScheduler::get().enqueue(_recurrent_to_cell_reduction); + CLScheduler::get().enqueue(_input_to_output_reduction); + CLScheduler::get().enqueue(_recurrent_to_output_reduction); + + if(_has_projection) + { + if(_projection_bias != nullptr) + { + _projection_eff_bias.allocator()->allocate(); + CLScheduler::get().enqueue(_projection_reduction); + _projection_bias->mark_as_unused(); + } + + _projection_weights_transposed.allocator()->allocate(); + _transpose_projection_weights.run(); + _projection_weights->mark_as_unused(); + } + + // Mark weights as unused + _input_to_forget_weights->mark_as_unused(); + _input_to_cell_weights->mark_as_unused(); + _input_to_output_weights->mark_as_unused(); + _recurrent_to_forget_weights->mark_as_unused(); + _recurrent_to_cell_weights->mark_as_unused(); + _recurrent_to_output_weights->mark_as_unused(); + + CLScheduler::get().queue().finish(); + _is_prepared = true; + } +} + +} // namespace arm_compute -- cgit v1.2.1