Michele Di Giorgio | d02d5ed | 2021-01-22 09:47:04 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2021 Arm Limited. |
| 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 | */ |
| 24 | |
| 25 | #pragma once |
| 26 | |
| 27 | #include "src/core/NEON/kernels/assembly/depthwise.hpp" |
| 28 | |
| 29 | #include <cstddef> |
| 30 | #include <functional> |
| 31 | |
| 32 | using arm_gemm::Nothing; |
| 33 | |
| 34 | namespace arm_conv { |
| 35 | namespace depthwise { |
| 36 | |
| 37 | template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing> |
| 38 | struct DepthwiseImplementation |
| 39 | { |
| 40 | const DepthwiseMethod method; |
| 41 | const char *name; |
| 42 | std::function<bool(const DepthwiseArgs &, const OutputStage &)> is_supported; |
| 43 | std::function<uint64_t(const DepthwiseArgs &, const OutputStage &)> cycle_estimate; |
| 44 | std::function<DepthwiseCommon<TInput, TWeight, TOutput> *(const DepthwiseArgs &, const OutputStage &)> initialise; |
| 45 | |
| 46 | bool get_is_supported(const DepthwiseArgs &args, const OutputStage &os) const |
| 47 | { |
| 48 | return (is_supported == nullptr) ? true : is_supported(args, os); |
| 49 | } |
| 50 | |
| 51 | uint64_t get_cycle_estimate(const DepthwiseArgs &args, const OutputStage &os) const |
| 52 | { |
| 53 | return (cycle_estimate == nullptr) ? 0 : cycle_estimate(args, os); |
| 54 | } |
| 55 | |
| 56 | DepthwiseCommon<TInput, TWeight, TOutput> *get_instance(const DepthwiseArgs &args, const OutputStage &os) const |
| 57 | { |
| 58 | return initialise(args, os); |
| 59 | } |
| 60 | }; |
| 61 | |
| 62 | template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing> |
| 63 | const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> *depthwise_implementation_list(); |
| 64 | |
| 65 | template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing> |
| 66 | bool find_implementation( |
| 67 | const DepthwiseArgs &args, |
| 68 | const OutputStage &os, |
| 69 | const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> * &selected |
| 70 | ) |
| 71 | { |
| 72 | selected = nullptr; |
| 73 | uint64_t best_cycle_estimate = UINT64_MAX; |
| 74 | |
| 75 | const auto *impl = depthwise_implementation_list<TInput, TWeight, TOutput, OutputStage>(); |
| 76 | for (; impl->method != DepthwiseMethod::DEFAULT; impl++) |
| 77 | { |
| 78 | const bool has_cfg = (args.config != nullptr); |
| 79 | const auto &cfg = args.config; |
| 80 | |
| 81 | if ( |
| 82 | !impl->get_is_supported(args, os) || // Problem is unsupported |
| 83 | (has_cfg && cfg->method != DepthwiseMethod::DEFAULT && cfg->method != impl->method) || |
| 84 | (has_cfg && cfg->filter != "" && !std::strstr(impl->name, cfg->filter.c_str())) |
| 85 | ) |
| 86 | { |
| 87 | continue; |
| 88 | } |
| 89 | |
| 90 | const auto cycle_estimate = impl->get_cycle_estimate(args, os); |
| 91 | |
| 92 | if (cycle_estimate == 0) |
| 93 | { |
| 94 | selected = impl; |
| 95 | break; |
| 96 | } |
| 97 | |
| 98 | if (selected == nullptr || cycle_estimate < best_cycle_estimate) |
| 99 | { |
| 100 | selected = impl; |
| 101 | best_cycle_estimate = cycle_estimate; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | return (selected != nullptr); |
| 106 | } |
| 107 | |
| 108 | template <typename TInput, typename TWeight, typename TOutput, class OutputStage> |
| 109 | std::vector<KernelDescription> get_compatible_kernels(const DepthwiseArgs &args, const OutputStage &os) |
| 110 | { |
| 111 | std::vector<KernelDescription> kerns; |
| 112 | |
| 113 | // Find the default implementation so we can flag it accordingly |
| 114 | const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> *default_impl; |
| 115 | find_implementation<TInput, TWeight, TOutput, OutputStage>(args, os, default_impl); |
| 116 | |
| 117 | for (auto impl = depthwise_implementation_list<TInput, TWeight, TOutput, OutputStage>(); |
| 118 | impl->method != DepthwiseMethod::DEFAULT; impl++) |
| 119 | { |
| 120 | if (!impl->get_is_supported(args, os)) |
| 121 | { |
| 122 | continue; |
| 123 | } |
| 124 | |
| 125 | kerns.emplace_back( |
| 126 | impl->method, impl->name, impl == default_impl, |
| 127 | impl->get_cycle_estimate(args, os) |
| 128 | ); |
| 129 | } |
| 130 | |
| 131 | return kerns; |
| 132 | } |
| 133 | |
| 134 | template <typename TInput, typename TWeight, typename TOutput, class OutputStage> |
| 135 | UniqueDepthwiseCommon<TInput, TWeight, TOutput> depthwise(const DepthwiseArgs &args, const OutputStage &os) |
| 136 | { |
| 137 | const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> *impl = nullptr; |
| 138 | const bool success = find_implementation<TInput, TWeight, TOutput, OutputStage>(args, os, impl); |
| 139 | return UniqueDepthwiseCommon<TInput, TWeight, TOutput>(success ? impl->get_instance(args, os) : nullptr); |
| 140 | } |
| 141 | |
| 142 | } // namespace depthwise |
| 143 | } // namespace arm_conv |