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Diffstat (limited to 'src/graph/nodes/SplitLayerNode.cpp')
| -rw-r--r-- | src/graph/nodes/SplitLayerNode.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/graph/nodes/SplitLayerNode.cpp b/src/graph/nodes/SplitLayerNode.cpp new file mode 100644 index 0000000000..c8fb43c2a1 --- /dev/null +++ b/src/graph/nodes/SplitLayerNode.cpp @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2018 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/graph/nodes/SplitLayerNode.h" + +#include "arm_compute/core/Utils.h" +#include "arm_compute/graph/Graph.h" +#include "arm_compute/graph/INodeVisitor.h" + +namespace arm_compute +{ +namespace graph +{ +SplitLayerNode::SplitLayerNode(unsigned int num_splits, unsigned int axis) + : _num_splits(num_splits), _axis(axis) +{ + _input_edges.resize(1, EmptyEdgeID); + _outputs.resize(num_splits, NullTensorID); +} + +unsigned int SplitLayerNode::num_splits() const +{ + return _num_splits; +} + +unsigned int SplitLayerNode::axis() const +{ + return _axis; +} + +std::pair<TensorShape, Coordinates> SplitLayerNode::compute_output_shape(TensorShape input_shape, unsigned int num_splits, unsigned int axis, unsigned int idx) +{ + ARM_COMPUTE_ERROR_ON(axis >= input_shape.num_dimensions()); + ARM_COMPUTE_ERROR_ON_MSG(input_shape[axis] % num_splits, "Split should be exact"); + + const unsigned int split_size = input_shape[axis] / num_splits; + + TensorShape output_shape = input_shape; + output_shape.set(axis, split_size); + + Coordinates coords; + coords.set(axis, idx * split_size); + + return std::make_pair(output_shape, coords); +} + +bool SplitLayerNode::forward_descriptors() +{ + if(input_id(0) != NullTensorID) + { + for(unsigned int i = 0; i < _outputs.size(); ++i) + { + if(output_id(i) != NullTensorID) + { + Tensor *dst_i = output(i); + ARM_COMPUTE_ERROR_ON(dst_i == nullptr); + dst_i->desc() = configure_output(i); + } + } + return true; + } + return false; +} + +TensorDescriptor SplitLayerNode::configure_output(size_t idx) const +{ + ARM_COMPUTE_UNUSED(idx); + ARM_COMPUTE_ERROR_ON(idx >= _outputs.size()); + + const Tensor *src = input(0); + ARM_COMPUTE_ERROR_ON(src == nullptr); + + TensorShape output_shape; + + TensorDescriptor output_info = src->desc(); + std::tie(output_shape, std::ignore) = compute_output_shape(src->desc().shape, _num_splits, _axis, idx); + output_info.shape = output_shape; + + return output_info; +} + +Status SplitLayerNode::validate() +{ + return Status{}; +} + +NodeType SplitLayerNode::type() const +{ + return NodeType::SplitLayer; +} + +void SplitLayerNode::accept(INodeVisitor &v) +{ + v.visit(*this); +} +} // namespace graph +} // namespace arm_compute
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