| Cathal Corbett | b7e5f53 | 2022-07-22 16:03:36 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2022 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <optimizations/FoldPadIntoLayer2d.hpp> |
| 9 | |
| 10 | namespace armnn |
| 11 | { |
| 12 | |
| 13 | namespace |
| 14 | { |
| 15 | |
| 16 | // |
| 17 | // this helper only works if all layers where the inputs connect to are not selected |
| 18 | // |
| 19 | |
| 20 | SubgraphView::IInputSlots CreateIInputsFrom(const std::vector<armnn::IConnectableLayer*>& layers) |
| 21 | { |
| 22 | SubgraphView::IInputSlots result; |
| 23 | for (auto&& layer : layers) |
| 24 | { |
| 25 | for (unsigned int i = 0 ; i < layer->GetNumInputSlots(); ++i) |
| 26 | { |
| 27 | result.push_back(&(layer->GetInputSlot(i))); |
| 28 | } |
| 29 | } |
| 30 | return result; |
| 31 | } |
| 32 | |
| 33 | // |
| 34 | // this helper only works if all layers where the outputs connect to are not selected |
| 35 | // |
| 36 | |
| 37 | SubgraphView::IOutputSlots CreateIOutputsFrom(const std::vector<armnn::IConnectableLayer*>& layers) |
| 38 | { |
| 39 | SubgraphView::IOutputSlots result; |
| 40 | for (auto &&layer: layers) |
| 41 | { |
| 42 | for (unsigned int i = 0; i < layer->GetNumOutputSlots(); ++i) |
| 43 | { |
| 44 | result.push_back(&(layer->GetOutputSlot(i))); |
| 45 | } |
| 46 | } |
| 47 | return result; |
| 48 | } |
| 49 | |
| 50 | } |
| 51 | |
| 52 | inline void ReportUntouchedLayers(OptimizationViews& optimizationViews, std::map<LayerGuid, Layer*> untouched) |
| 53 | { |
| 54 | std::vector<Layer*> untouchedVector; |
| 55 | for (const auto& pair : untouched) |
| 56 | { |
| 57 | Layer* layer = pair.second; |
| 58 | SubgraphView subgraphView({layer}, |
| 59 | CreateIInputsFrom({layer}), |
| 60 | CreateIOutputsFrom({layer})); |
| 61 | optimizationViews.AddUntouchedSubgraph(std::move(subgraphView)); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | template<typename LayerType> |
| 66 | LayerType* FoldPadLayer(OptimizationViews& optimizationViews, |
| 67 | LayerType* baseLayer, |
| 68 | LayerType* replacementLayer, |
| 69 | PadLayer* padLayer) |
| 70 | { |
| 71 | SubgraphView substitutionSubgraph({padLayer, baseLayer}, |
| 72 | CreateIInputsFrom({padLayer}), |
| 73 | CreateIOutputsFrom({baseLayer})); |
| 74 | SubgraphView replacementSubgraph(replacementLayer); |
| 75 | |
| 76 | optimizationViews.AddSubstitution({substitutionSubgraph, replacementSubgraph}); |
| 77 | |
| 78 | return replacementLayer; |
| 79 | } |
| 80 | |
| 81 | template<typename LayerType> |
| 82 | LayerType* FoldPadIntoAveragePool2d(OptimizationViews& optimizationViews, |
| 83 | Pooling2dLayer* baseLayer, |
| 84 | Pooling2dDescriptor& poolDescriptor, |
| 85 | PadLayer* padLayer) |
| 86 | { |
| 87 | IConnectableLayer* replacement = |
| 88 | optimizationViews.GetINetwork()->AddPooling2dLayer(poolDescriptor, "folded-pad-into-pool2d"); |
| 89 | LayerType* replacementLayer = PolymorphicDowncast<LayerType*>(replacement); |
| 90 | |
| 91 | FoldPadLayer(optimizationViews, |
| 92 | baseLayer, |
| 93 | replacementLayer, |
| 94 | padLayer); |
| 95 | |
| 96 | return replacementLayer; |
| 97 | } |
| 98 | |
| 99 | } // namespace armnn |