diff options
Diffstat (limited to 'src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation.hpp')
-rw-r--r-- | src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation.hpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation.hpp b/src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation.hpp new file mode 100644 index 0000000000..1d52b56d36 --- /dev/null +++ b/src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation.hpp @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2021 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. + */ + +#pragma once + +#include "src/core/NEON/kernels/assembly/depthwise.hpp" + +#include <cstddef> +#include <functional> + +using arm_gemm::Nothing; + +namespace arm_conv { +namespace depthwise { + +template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing> +struct DepthwiseImplementation +{ + const DepthwiseMethod method; + const char *name; + std::function<bool(const DepthwiseArgs &, const OutputStage &)> is_supported; + std::function<uint64_t(const DepthwiseArgs &, const OutputStage &)> cycle_estimate; + std::function<DepthwiseCommon<TInput, TWeight, TOutput> *(const DepthwiseArgs &, const OutputStage &)> initialise; + + bool get_is_supported(const DepthwiseArgs &args, const OutputStage &os) const + { + return (is_supported == nullptr) ? true : is_supported(args, os); + } + + uint64_t get_cycle_estimate(const DepthwiseArgs &args, const OutputStage &os) const + { + return (cycle_estimate == nullptr) ? 0 : cycle_estimate(args, os); + } + + DepthwiseCommon<TInput, TWeight, TOutput> *get_instance(const DepthwiseArgs &args, const OutputStage &os) const + { + return initialise(args, os); + } +}; + +template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing> +const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> *depthwise_implementation_list(); + +template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing> +bool find_implementation( + const DepthwiseArgs &args, + const OutputStage &os, + const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> * &selected +) +{ + selected = nullptr; + uint64_t best_cycle_estimate = UINT64_MAX; + + const auto *impl = depthwise_implementation_list<TInput, TWeight, TOutput, OutputStage>(); + for (; impl->method != DepthwiseMethod::DEFAULT; impl++) + { + const bool has_cfg = (args.config != nullptr); + const auto &cfg = args.config; + + if ( + !impl->get_is_supported(args, os) || // Problem is unsupported + (has_cfg && cfg->method != DepthwiseMethod::DEFAULT && cfg->method != impl->method) || + (has_cfg && cfg->filter != "" && !std::strstr(impl->name, cfg->filter.c_str())) + ) + { + continue; + } + + const auto cycle_estimate = impl->get_cycle_estimate(args, os); + + if (cycle_estimate == 0) + { + selected = impl; + break; + } + + if (selected == nullptr || cycle_estimate < best_cycle_estimate) + { + selected = impl; + best_cycle_estimate = cycle_estimate; + } + } + + return (selected != nullptr); +} + +template <typename TInput, typename TWeight, typename TOutput, class OutputStage> +std::vector<KernelDescription> get_compatible_kernels(const DepthwiseArgs &args, const OutputStage &os) +{ + std::vector<KernelDescription> kerns; + + // Find the default implementation so we can flag it accordingly + const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> *default_impl; + find_implementation<TInput, TWeight, TOutput, OutputStage>(args, os, default_impl); + + for (auto impl = depthwise_implementation_list<TInput, TWeight, TOutput, OutputStage>(); + impl->method != DepthwiseMethod::DEFAULT; impl++) + { + if (!impl->get_is_supported(args, os)) + { + continue; + } + + kerns.emplace_back( + impl->method, impl->name, impl == default_impl, + impl->get_cycle_estimate(args, os) + ); + } + + return kerns; +} + +template <typename TInput, typename TWeight, typename TOutput, class OutputStage> +UniqueDepthwiseCommon<TInput, TWeight, TOutput> depthwise(const DepthwiseArgs &args, const OutputStage &os) +{ + const DepthwiseImplementation<TInput, TWeight, TOutput, OutputStage> *impl = nullptr; + const bool success = find_implementation<TInput, TWeight, TOutput, OutputStage>(args, os, impl); + return UniqueDepthwiseCommon<TInput, TWeight, TOutput>(success ? impl->get_instance(args, os) : nullptr); +} + +} // namespace depthwise +} // namespace arm_conv |