Georgios Pinitas | d8734b5 | 2017-12-22 15:27:52 +0000 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2019 Arm Limited. |
Georgios Pinitas | d8734b5 | 2017-12-22 15:27:52 +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 | */ |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 24 | #ifndef ARM_COMPUTE_GRAPH_ISTREAM_H |
| 25 | #define ARM_COMPUTE_GRAPH_ISTREAM_H |
Georgios Pinitas | d8734b5 | 2017-12-22 15:27:52 +0000 | [diff] [blame] | 26 | |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 27 | #include "arm_compute/graph/frontend/Types.h" |
Georgios Pinitas | d8734b5 | 2017-12-22 15:27:52 +0000 | [diff] [blame] | 28 | |
| 29 | namespace arm_compute |
| 30 | { |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 31 | namespace graph |
Georgios Pinitas | d8734b5 | 2017-12-22 15:27:52 +0000 | [diff] [blame] | 32 | { |
| 33 | // Forward declarations |
| 34 | class Graph; |
| 35 | |
| 36 | namespace frontend |
| 37 | { |
| 38 | // Forward declarations |
| 39 | class ILayer; |
| 40 | |
| 41 | /** Stream interface **/ |
| 42 | class IStream |
| 43 | { |
| 44 | public: |
| 45 | virtual ~IStream() = default; |
| 46 | /** Adds a layer to the stream |
| 47 | * |
| 48 | * @param[in] layer Layer to add |
| 49 | */ |
| 50 | virtual void add_layer(ILayer &layer) = 0; |
| 51 | /** Returns the underlying graph |
| 52 | * |
| 53 | * @return Underlying graph |
| 54 | */ |
| 55 | virtual Graph &graph() = 0; |
| 56 | /** Returns the underlying graph |
| 57 | * |
| 58 | * @return Underlying graph |
| 59 | */ |
| 60 | virtual const Graph &graph() const = 0; |
| 61 | /** Returns the tail node of the Stream |
| 62 | * |
| 63 | * @return Tail Node ID |
| 64 | */ |
| 65 | NodeID tail_node() |
| 66 | { |
| 67 | return _tail_node; |
| 68 | } |
| 69 | /** Returns the stream hints that are currently used |
| 70 | * |
| 71 | * @return Stream hints |
| 72 | */ |
| 73 | StreamHints &hints() |
| 74 | { |
| 75 | return _hints; |
| 76 | } |
| 77 | /** Forwards tail of stream to a given nid |
| 78 | * |
| 79 | * @param[in] nid NodeID of the updated tail node |
| 80 | */ |
| 81 | void forward_tail(NodeID nid) |
| 82 | { |
| 83 | _tail_node = (nid != NullTensorID) ? nid : _tail_node; |
| 84 | } |
| 85 | |
| 86 | protected: |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame] | 87 | StreamHints _hints = {}; /**< Execution and algorithmic hints */ |
| 88 | NodeID _tail_node = {EmptyNodeID}; /**< NodeID pointing to the last(tail) node of the graph */ |
Georgios Pinitas | d8734b5 | 2017-12-22 15:27:52 +0000 | [diff] [blame] | 89 | }; |
| 90 | } // namespace frontend |
Georgios Pinitas | d9eb275 | 2018-04-03 13:44:29 +0100 | [diff] [blame] | 91 | } // namespace graph |
Georgios Pinitas | d8734b5 | 2017-12-22 15:27:52 +0000 | [diff] [blame] | 92 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 93 | #endif /* ARM_COMPUTE_GRAPH_ISTREAM_H */ |