diff options
Diffstat (limited to 'arm_compute/core/NEON/kernels/NEAccumulateKernel.h')
-rw-r--r-- | arm_compute/core/NEON/kernels/NEAccumulateKernel.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/kernels/NEAccumulateKernel.h b/arm_compute/core/NEON/kernels/NEAccumulateKernel.h new file mode 100644 index 0000000000..df6d7b8891 --- /dev/null +++ b/arm_compute/core/NEON/kernels/NEAccumulateKernel.h @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2016, 2017 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_NEACCUMULATEKERNEL_H__ +#define __ARM_COMPUTE_NEACCUMULATEKERNEL_H__ + +#include "arm_compute/core/NEON/INESimpleKernel.h" + +#include <cstdint> + +namespace arm_compute +{ +class ITensor; + +/** Interface for the accumulate kernel + * + * Accumulation is computed by: + * @f[ accum(x,y) = accum(x,y) + input(x,y) @f] + */ +class NEAccumulateKernel : public INESimpleKernel +{ +public: + /** Set the input and accumulation tensors + * + * @param[in] input Source tensor. Data type supported: U8. + * @param[out] accum Destination tensor. Data type supported: S16. + */ + void configure(const ITensor *input, ITensor *accum); + + // Inherited methods overridden: + void run(const Window &window) override; +}; + +/** Interface for the accumulate weighted kernel + * + * Weighted accumulation is computed: + * @f[ accum(x,y) = (1 - \alpha)*accum(x,y) + \alpha*input(x,y) @f] + * + * Where @f$ 0 \le \alpha \le 1 @f$ + * Conceptually, the rounding for this is defined as: + * @f[ output(x,y)= uint8( (1 - \alpha) * float32( int32( output(x,y) ) ) + \alpha * float32( int32( input(x,y) ) ) ) @f] +*/ +class NEAccumulateWeightedKernel : public INESimpleKernel +{ +public: + /** Default constructor */ + NEAccumulateWeightedKernel(); + /** Set the input and accumulation tensors, and the scale value + * + * @param[in] input Source tensor. Data type supported: U8. + * @param[in] alpha Scalar value in the range [0.0f, 1.0f] + * @param[in,out] accum Accumulated tensor. Data type supported: U8. + */ + void configure(const ITensor *input, float alpha, ITensor *accum); + + // Inherited methods overridden: + void run(const Window &window) override; + +protected: + float _alpha; +}; + +#ifdef ARM_COMPUTE_ENABLE_FP16 +/** Interface for the accumulate weighted kernel using F16 */ +class NEAccumulateWeightedFP16Kernel : public NEAccumulateWeightedKernel +{ +public: + // Inherited methods overridden: + void run(const Window &window) override; +}; +#else +using NEAccumulateWeightedFP16Kernel = NEAccumulateWeightedKernel; +#endif + +/** Interface for the accumulate squared kernel + * + * The accumulation of squares is computed: + * @f[ accum(x,y) = saturate_{int16} ( (uint16) accum(x,y) + (((uint16)(input(x,y)^2)) >> (shift)) ) @f] + * + * Where @f$ 0 \le shift \le 15 @f$ +*/ +class NEAccumulateSquaredKernel : public INESimpleKernel +{ +public: + /** Default constructor */ + NEAccumulateSquaredKernel(); + /** Set the input and accumulation tensors and the shift value. + * + * @param[in] input Source tensor. Data type supported: U8. + * @param[in] shift Shift value in the range of [0, 15] + * @param[in,out] accum Accumulated tensor. Data type supported: S16. + */ + void configure(const ITensor *input, uint32_t shift, ITensor *accum); + + // Inherited methods overridden: + void run(const Window &window) override; + +private: + uint32_t _shift; +}; +} +#endif /*__ARM_COMPUTE_NEACCUMULATEKERNEL_H__ */ |