| /* |
| * Copyright (c) 2022 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 SRC_DYNAMIC_FUSION_SKETCH_GPU_GPUOPERATORGROUP |
| #define SRC_DYNAMIC_FUSION_SKETCH_GPU_GPUOPERATORGROUP |
| |
| #include "arm_compute/core/ITensorInfo.h" |
| #include "src/dynamic_fusion/sketch/ArgumentPack.h" |
| #include "src/dynamic_fusion/sketch/gpu/GpuOperatorProperties.h" |
| #include "src/dynamic_fusion/sketch/utils/DependencyGraph.h" |
| #include <map> |
| |
| namespace arm_compute |
| { |
| namespace experimental |
| { |
| namespace dynamic_fusion |
| { |
| using OperatorId = DependencyGraph::OperatorId; |
| |
| /** An operator for the sole purpose of validating fusion |
| */ |
| class Operator |
| { |
| public: |
| /** Default constructor */ |
| Operator() = default; |
| /** Get Operator Id */ |
| OperatorId id() const; |
| /** Get operator type */ |
| GpuOperatorType operator_type() const; |
| /** Get tensor arguments */ |
| ArgumentPack<ITensorInfo> tensors() const; |
| friend class GpuOperatorGroup; |
| |
| private: |
| Operator(OperatorId id, GpuOperatorType operator_type, const ArgumentPack<ITensorInfo> &tensors); |
| OperatorId _id{}; |
| GpuOperatorType _operator_type{}; |
| ArgumentPack<ITensorInfo> _tensors{}; |
| }; |
| |
| /** A linear sequence of operators to be fused in a workload |
| * For the time being, this class is only used for validating operator fusion |
| * INVARIANTS: |
| * @note These invariants are exactly the same as operator fusion constraints |
| * 1. Fusion is limited to a linear sequence of operators |
| * 2. Max number of operators that can be fused is @ref GpuOperatorGroup::max_fused_operators |
| * 3. The fusion is subject to the pattern: Complex + Simple * | Simple + Simple * | Un-fusable |
| * 4. All operator but unfusable, have exactly 1 dst tensor |
| * 5. All fused operators share the same dst tensor shape |
| * 6. All fused operators' tensors share the same @ref DataLayout |
| */ |
| class GpuOperatorGroup |
| { |
| public: |
| static constexpr size_t max_fused_operators = 32; |
| /** Try adding (without actually adding) an operator to the group |
| * |
| * @param[in] op Operator to be added |
| * |
| * @return true If @p op can be added while maintaining the invariants |
| * @return false Otherwise |
| */ |
| bool try_add_operator(const Operator &op) const; |
| /** Add an operator to the group |
| * |
| * @param[in] op Operator to be added |
| */ |
| void add_operator(const Operator &op); |
| /** Create a new operator |
| * |
| * @param[in] operator_type @ref GpuOperatorType of the new operator |
| * @param[in] tensors Tensor arguments to the new operator |
| * |
| * @return Operator |
| */ |
| Operator new_operator(const GpuOperatorType &operator_type, const ArgumentPack<ITensorInfo> &tensors) const; |
| /** Get the "root operator" of the group, which is the first operator in a linear sequence |
| * @return const Operator* Pointer to the root operator |
| */ |
| const Operator *get_root_operator() const; |
| |
| private: |
| DependencyGraph _graph{}; |
| std::map<OperatorId, Operator> _operators{}; |
| }; |
| } // namespace dynamic_fusion |
| } // namespace experimental |
| } // namespace arm_compute |
| #endif /* SRC_DYNAMIC_FUSION_SKETCH_GPU_GPUOPERATORGROUP */ |