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Diffstat (limited to 'src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation_constraints.hpp')
-rw-r--r-- | src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation_constraints.hpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation_constraints.hpp b/src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation_constraints.hpp new file mode 100644 index 0000000000..b4814bef92 --- /dev/null +++ b/src/core/NEON/kernels/arm_conv/depthwise/depthwise_implementation_constraints.hpp @@ -0,0 +1,105 @@ +/* + * 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. + */ + +/* Utilities for constructing functions which constrain which kernels are + * selected for a given depthwise problem. + * + * It is expected that this will be included in the files which list the + * available kernels. To avoid multiple definitions, an anonymous namespace is + * used. + */ + +#pragma once + +#include "arm_gemm.hpp" +#include "depthwise.hpp" + +namespace arm_conv +{ +namespace depthwise +{ +namespace +{ + +template <class OutputStage> +using ConstraintFn = std::function<bool(const DepthwiseArgs &, const OutputStage &)>; + +using GenericConstraintFn = std::function<bool(const DepthwiseArgs &, const void *)>; + +GenericConstraintFn make_constraint(const GenericConstraintFn &f) __attribute__ ((unused)); +GenericConstraintFn make_constraint(const GenericConstraintFn &f) +{ + return f; +} + +template <typename ... Fs> +GenericConstraintFn make_constraint(const GenericConstraintFn &f, Fs ... fs) +{ + return [f, fs...] (const DepthwiseArgs &args, const void *os) -> bool { + return f(args, os) && make_constraint(fs...)(args, os); + }; +} + +template <typename OutputStage=Nothing, typename ... Fs> +ConstraintFn<OutputStage> constraint(Fs ... fs) +{ + return [fs...] (const DepthwiseArgs &args, const OutputStage &os) -> bool { + return make_constraint(fs...)(args, &os); + }; +} + +// Some useful constraints +template <class Strategy> +bool is_supported(const DepthwiseArgs &args, const void *) +{ + return ((args.kernel_rows == Strategy::kernel_rows) && + (args.kernel_cols == Strategy::kernel_cols) && + (args.stride_rows == Strategy::stride_rows) && + (args.stride_cols == Strategy::stride_cols)); +} + +bool cpu_has_dot_product(const DepthwiseArgs &args, const void *) __attribute__ ((unused)); +bool cpu_has_dot_product(const DepthwiseArgs &args, const void *) +{ + return args.cpu_info->has_dotprod(); +} + +bool has_no_channel_multiplier(const DepthwiseArgs &args, const void *) __attribute__ ((unused)); +bool has_no_channel_multiplier(const DepthwiseArgs &args, const void *) +{ + return args.channel_multiplier == 1; +} + +bool qp_has_no_left_shift(const DepthwiseArgs &args, const void *_qp) __attribute__ ((unused)); +bool qp_has_no_left_shift(const DepthwiseArgs &, const void *_qp) +{ + const auto qp = static_cast<const arm_gemm::Requantize32 *>(_qp); + return qp->per_channel_requant ? + (qp->per_channel_left_shifts == nullptr) : + (qp->per_layer_left_shift == 0); +} + +} // namespace +} // namespace depthwise +} // namespace arm_conv |