| /* |
| * 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. |
| */ |
| #ifndef __ARM_COMPUTE_GRAPH_UTILS_H__ |
| #define __ARM_COMPUTE_GRAPH_UTILS_H__ |
| |
| #include "arm_compute/graph/Graph.h" |
| #include "arm_compute/graph/PassManager.h" |
| |
| namespace arm_compute |
| { |
| namespace graph |
| { |
| // Forward Declaration |
| class GraphContext; |
| |
| /** Returns the tensor descriptor of a given tensor |
| * |
| * @param[in] g Graph that the tensor belongs to |
| * @param[in] tid Tensor ID |
| * |
| * @return Tensor descriptor if tensor was found else empty descriptor |
| */ |
| inline TensorDescriptor get_tensor_descriptor(const Graph &g, TensorID tid) |
| { |
| const Tensor *tensor = g.tensor(tid); |
| return (tensor != nullptr) ? tensor->desc() : TensorDescriptor(); |
| } |
| /** Sets an accessor on a given tensor |
| * |
| * @param[in] tensor Tensor to set the accessor to |
| * @param[in] accessor Accessor to set |
| * |
| * @return True if accessor was set else false |
| */ |
| inline Status set_tensor_accessor(Tensor *tensor, std::unique_ptr<ITensorAccessor> accessor) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON(tensor == nullptr); |
| tensor->set_accessor(std::move(accessor)); |
| |
| return Status{}; |
| } |
| /** Checks if a specific target is supported |
| * |
| * @param[in] target Target to check |
| * |
| * @return True if target is support else false |
| */ |
| bool is_target_supported(Target target); |
| /** Returns default target for execution |
| * |
| * @note If an OpenCL backend exists then OpenCL is returned, |
| * else if the NEON backend exists returns NEON as target. |
| * If no backends are registered an error is raised. |
| * |
| * @return Default target |
| */ |
| Target get_default_target(); |
| /** Forces a single target to all graph constructs |
| * |
| * @param[in] g Graph to force target on |
| * @param[in] target Target to force |
| */ |
| void force_target_to_graph(Graph &g, Target target); |
| /** Creates a default @ref PassManager |
| * |
| * @param[in] target Target to create the pass manager for |
| * |
| * @return A PassManager with default mutating passes |
| */ |
| PassManager create_default_pass_manager(Target target); |
| /** Setups requested backend context if it exists, is supported and hasn't been initialized already. |
| * |
| * @param[in,out] ctx Graph Context. |
| * @param[in] target Target to setup the backend for. |
| */ |
| void setup_requested_backend_context(GraphContext &ctx, Target target); |
| /** Default releases the graph context if not done manually |
| * |
| * @param[in,out] ctx Graph Context |
| */ |
| void release_default_graph_context(GraphContext &ctx); |
| /** Get size of a tensor's given dimension depending on its layout |
| * |
| * @param[in] descriptor Descriptor |
| * @param[in] data_layout_dimension Tensor data layout dimension |
| * |
| * @return Size of requested dimension |
| */ |
| size_t get_dimension_size(const TensorDescriptor &descriptor, const DataLayoutDimension data_layout_dimension); |
| /** Get index of a tensor's given dimension depending on its layout |
| * |
| * @param[in] descriptor Descriptor |
| * @param[in] data_layout_dimension Tensor data layout dimension |
| * |
| * @return Idx of given dimension |
| */ |
| size_t get_dimension_idx(const TensorDescriptor &descriptor, const DataLayoutDimension data_layout_dimension); |
| /** Get the list of driving nodes of a given node |
| * |
| * @param[in] node Node to find the driving node of |
| * |
| * @return A list with the driving node of a given node |
| */ |
| std::vector<NodeIdxPair> get_driving_nodes(const INode &node); |
| /** Configures tensor |
| * |
| * @param[in, out] tensor Tensor to configure |
| */ |
| void configure_tensor(Tensor *tensor); |
| } // namespace graph |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_GRAPH_UTILS_H__ */ |