From 6d9d6f49aa05ad033676a219c1a98150fb8401f4 Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Mon, 24 Dec 2018 16:10:47 +0000 Subject: COMPMID-1769: Add support for NEON StridedSlice,Split,Slice,Unstack Change-Id: I7d3c5e6858fed090410720f76947327e39bc72f8 Reviewed-on: https://review.mlplatform.org/450 Reviewed-by: Giuseppe Rossini Tested-by: Arm Jenkins Reviewed-by: Michalis Spyrou Reviewed-by: VidhyaSudhan Loganathan --- src/runtime/NEON/functions/NESplit.cpp | 138 +++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 src/runtime/NEON/functions/NESplit.cpp (limited to 'src/runtime/NEON/functions/NESplit.cpp') diff --git a/src/runtime/NEON/functions/NESplit.cpp b/src/runtime/NEON/functions/NESplit.cpp new file mode 100644 index 0000000000..e947657934 --- /dev/null +++ b/src/runtime/NEON/functions/NESplit.cpp @@ -0,0 +1,138 @@ +/* + * 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. + */ +#include "arm_compute/runtime/NEON/functions/NESplit.h" + +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/core/utils/misc/ShapeCalculator.h" + +#include "support/ToolchainSupport.h" + +namespace arm_compute +{ +NESplit::NESplit() + : _outputs_vector(), _slice_functions(), _num_outputs(0) +{ +} + +void NESplit::configure(const ITensor *input, const std::vector &outputs, unsigned int axis) +{ + // Create Slice functions + _num_outputs = outputs.size(); + _slice_functions = arm_compute::support::cpp14::make_unique(_num_outputs); + + // Get output shape + const TensorShape output_shape = arm_compute::misc::shape_calculator::compute_split_shape(input->info(), axis, _num_outputs); + + // Extract output tensor info + std::vector outputs_info; + for(auto &output : outputs) + { + ARM_COMPUTE_ERROR_ON_NULLPTR(output); + outputs_info.emplace_back(output->info()); + } + + // Validate + ARM_COMPUTE_ERROR_THROW_ON(NESplit::validate(input->info(), outputs_info, axis)); + + const size_t axis_split_step = output_shape[axis]; + unsigned int axis_offset = 0; + + // Start/End coordinates + Coordinates start_coords; + Coordinates end_coords; + for(unsigned int d = 0; d < output_shape.num_dimensions(); ++d) + { + end_coords.set(d, -1); + } + + for(unsigned int i = 0; i < _num_outputs; i++) + { + // Update coordinate on axis + start_coords.set(axis, axis_offset); + end_coords.set(axis, axis_offset + axis_split_step); + + // Configure slice function + _slice_functions[i].configure(input, outputs[i], start_coords, end_coords); + + // Set valid region from shape + outputs[i]->info()->set_valid_region(ValidRegion(Coordinates(), output_shape)); + + // Update axis offset + axis_offset += axis_split_step; + } +} + +Status NESplit::validate(const ITensorInfo *input, const std::vector &outputs, unsigned int axis) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input); + ARM_COMPUTE_RETURN_ERROR_ON(axis >= input->num_dimensions()); + ARM_COMPUTE_RETURN_ERROR_ON(outputs.size() < 2); + + // Get output shape + const TensorShape output_shape = arm_compute::misc::shape_calculator::compute_split_shape(input, axis, outputs.size()); + ARM_COMPUTE_RETURN_ERROR_ON(output_shape.total_size() == 0); + + const size_t axis_split_step = output_shape[axis]; + unsigned int axis_offset = 0; + + // Start/End coordinates + Coordinates start_coords; + Coordinates end_coords; + for(unsigned int d = 0; d < output_shape.num_dimensions(); ++d) + { + end_coords.set(d, -1); + } + + // Validate output tensors + for(const auto &output : outputs) + { + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(output); + + // Output auto inizialitation if not yet initialized + TensorInfo tmp_output_info = *output->clone(); + auto_init_if_empty(tmp_output_info, input->clone()->set_is_resizable(true).set_tensor_shape(output_shape)); + + // Update coordinate on axis + start_coords.set(axis, axis_offset); + end_coords.set(axis, axis_offset + axis_split_step); + + ARM_COMPUTE_RETURN_ON_ERROR(NESlice::validate(input, output, start_coords, end_coords)); + axis_offset += axis_split_step; + } + + return Status{}; +} + +void NESplit::run() +{ + for(unsigned i = 0; i < _num_outputs; ++i) + { + _slice_functions[i].run(); + } +} +} // namespace arm_compute -- cgit v1.2.1