Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2020 Arm Limited. |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 24 | #include "arm_compute/graph/mutators/SplitLayerSubTensorMutator.h" |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 25 | |
Georgios Pinitas | 2a2db59 | 2018-08-15 12:14:46 +0100 | [diff] [blame] | 26 | #include "arm_compute/graph/algorithms/TopologicalSort.h" |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 27 | #include "arm_compute/graph/backends/BackendRegistry.h" |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 28 | #include "arm_compute/graph/Graph.h" |
| 29 | #include "arm_compute/graph/Logger.h" |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 30 | #include "arm_compute/graph/nodes/SplitLayerNode.h" |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 31 | #include "arm_compute/graph/Utils.h" |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 32 | |
Sang-Hoon Park | 68dd25f | 2020-10-19 16:00:11 +0100 | [diff] [blame] | 33 | #include "support/Cast.h" |
| 34 | #include "support/Iterable.h" |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 35 | |
| 36 | namespace arm_compute |
| 37 | { |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 38 | namespace graph |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 39 | { |
| 40 | const char *SplitLayerSubTensorMutator::name() |
| 41 | { |
| 42 | return "SplitLayerSubTensorMutator"; |
| 43 | } |
| 44 | |
Georgios Pinitas | f4261ad | 2019-12-02 11:58:19 +0000 | [diff] [blame] | 45 | IGraphMutator::MutationType SplitLayerSubTensorMutator::type() const |
| 46 | { |
| 47 | return IGraphMutator::MutationType::Backend; |
| 48 | } |
| 49 | |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 50 | void SplitLayerSubTensorMutator::mutate(Graph &g) |
| 51 | { |
Georgios Pinitas | 2a2db59 | 2018-08-15 12:14:46 +0100 | [diff] [blame] | 52 | // Early exit if no Split layers exist in graph |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 53 | if (g.nodes(NodeType::SplitLayer).empty()) |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 54 | { |
Georgios Pinitas | 2a2db59 | 2018-08-15 12:14:46 +0100 | [diff] [blame] | 55 | return; |
| 56 | } |
| 57 | |
| 58 | // Perform topological sort |
| 59 | std::vector<NodeID> topological_sorted_node_ids = dfs(g); |
| 60 | |
| 61 | // Should be in reverse order of execution |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 62 | for (auto &node_id : arm_compute::utils::iterable::reverse_iterate(topological_sorted_node_ids)) |
Georgios Pinitas | 2a2db59 | 2018-08-15 12:14:46 +0100 | [diff] [blame] | 63 | { |
| 64 | INode *node = g.node(node_id); |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 65 | if (node != nullptr && node->type() == NodeType::SplitLayer && node->input(0) != nullptr) |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 66 | { |
| 67 | // Get output tensor |
| 68 | Tensor *input_tensor = node->input(0); |
| 69 | |
| 70 | // Check that all tensor have the same target and are valid |
| 71 | bool is_valid = std::all_of(node->outputs().cbegin(), node->outputs().cend(), |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 72 | [&](const TensorID &tid) { |
| 73 | return (g.tensor(tid) != nullptr) && |
| 74 | (g.tensor(tid)->desc().target == input_tensor->desc().target); |
| 75 | }); |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 76 | |
| 77 | // Create subtensors |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 78 | if (is_valid && is_target_supported(input_tensor->desc().target)) |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 79 | { |
| 80 | ARM_COMPUTE_LOG_GRAPH_VERBOSE("Using sub-tensors for the node with ID : " |
| 81 | << node->id() << " and name : " << node->name() << std::endl); |
| 82 | |
Georgios Pinitas | 2a2db59 | 2018-08-15 12:14:46 +0100 | [diff] [blame] | 83 | auto *split_node = arm_compute::utils::cast::polymorphic_downcast<SplitLayerNode *>(node); |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 84 | |
Sheri Zhang | 16dddd2 | 2020-05-27 15:03:48 +0100 | [diff] [blame] | 85 | const int axis = split_node->axis(); |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 86 | const unsigned int num_splits = split_node->num_splits(); |
| 87 | const bool extend_parent = (axis < 2); |
| 88 | |
| 89 | // Create sub-tensor handles |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 90 | for (unsigned int i = 0; i < node->outputs().size(); ++i) |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 91 | { |
| 92 | Tensor *output_tensor = node->output(i); |
| 93 | const TensorShape output_shape = output_tensor->desc().shape; |
| 94 | Coordinates coords; |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 95 | std::tie(std::ignore, coords) = |
| 96 | split_node->compute_output_descriptor(input_tensor->desc(), num_splits, axis, i); |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 97 | |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame^] | 98 | backends::IDeviceBackend &backend = |
| 99 | backends::BackendRegistry::get().get_backend(output_tensor->desc().target); |
| 100 | std::unique_ptr<ITensorHandle> handle = |
| 101 | backend.create_subtensor(input_tensor->handle(), output_shape, coords, extend_parent); |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 102 | output_tensor->set_handle(std::move(handle)); |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | } |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 108 | } // namespace graph |
Georgios Pinitas | ee33ea5 | 2018-03-08 16:01:29 +0000 | [diff] [blame] | 109 | } // namespace arm_compute |