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Diffstat (limited to 'arm_compute/core/ActivationLayerInfo.h')
-rw-r--r-- | arm_compute/core/ActivationLayerInfo.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/arm_compute/core/ActivationLayerInfo.h b/arm_compute/core/ActivationLayerInfo.h new file mode 100644 index 0000000000..d9dc0a0702 --- /dev/null +++ b/arm_compute/core/ActivationLayerInfo.h @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2016-2023 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_ACTIVATIONLAYERINFO_H +#define ARM_COMPUTE_ACTIVATIONLAYERINFO_H + +#include "arm_compute/core/Coordinates.h" +#include "arm_compute/core/QuantizationInfo.h" +#include "arm_compute/core/Size2D.h" +#include "arm_compute/core/Size3D.h" +#include "arm_compute/core/Strides.h" +#include "arm_compute/core/TensorShape.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/core/experimental/IPostOp.h" +#include "arm_compute/core/utils/misc/Macros.h" +#include "support/Bfloat16.h" +#include "support/Half.h" + +#include <cmath> +#include <cstddef> +#include <cstdint> +#include <map> +#include <string> +#include <utility> + +namespace arm_compute +{ +/** Activation Layer Information class */ +class ActivationLayerInfo +{ +public: + typedef arm_compute::ActivationFunction ActivationFunction; + + /** Lookup table */ + using LookupTable256 = std::array<qasymm8_t, 256>; + + ActivationLayerInfo() = default; + /** Default Constructor + * + * @param[in] f The activation function to use. + * @param[in] a (Optional) The alpha parameter used by some activation functions + * (@ref ActivationFunction::BOUNDED_RELU, @ref ActivationFunction::LU_BOUNDED_RELU, @ref ActivationFunction::LINEAR, @ref ActivationFunction::TANH). + * @param[in] b (Optional) The beta parameter used by some activation functions (@ref ActivationFunction::LINEAR, @ref ActivationFunction::LU_BOUNDED_RELU, @ref ActivationFunction::TANH). + */ + ActivationLayerInfo(ActivationFunction f, float a = 0.0f, float b = 0.0f) + : _act(f), _a(a), _b(b), _enabled(true) + { + } + /** Get the type of activation function */ + ActivationFunction activation() const + { + return _act; + } + /** Get the alpha value */ + float a() const + { + return _a; + } + /** Get the beta value */ + float b() const + { + return _b; + } + /** Check if initialised */ + bool enabled() const + { + return _enabled; + } + +#ifdef __aarch64__ + const LookupTable256 &lut() const + { + return _lut; + } + void setLookupTable256(LookupTable256 &lut) + { + _lut = std::move(lut); + } +#endif // __aarch64__ +private: + ActivationFunction _act = { ActivationLayerInfo::ActivationFunction::IDENTITY }; + float _a = {}; + float _b = {}; + bool _enabled = { false }; + +#ifdef __aarch64__ + LookupTable256 _lut = {}; +#endif // __aarch64__ +}; +} // namespace arm_compute +#endif /* ARM_COMPUTE_ACTIVATIONLAYERINFO_H */ |