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Diffstat (limited to 'src/core/CL/kernels/CLAccumulateKernel.h')
-rw-r--r-- | src/core/CL/kernels/CLAccumulateKernel.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLAccumulateKernel.h b/src/core/CL/kernels/CLAccumulateKernel.h new file mode 100644 index 0000000000..16a715319d --- /dev/null +++ b/src/core/CL/kernels/CLAccumulateKernel.h @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2016-2020 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_CLACCUMULATEKERNEL_H +#define ARM_COMPUTE_CLACCUMULATEKERNEL_H + +#include "src/core/CL/ICLSimple2DKernel.h" + +#include <cstdint> + +namespace arm_compute +{ +class ICLTensor; + +/** Interface for the accumulate kernel. + * + * Accumulation is computed by: + * @f[ accum(x,y) = accum(x,y) + input(x,y) @f] + */ +class CLAccumulateKernel : public ICLSimple2DKernel +{ +public: + /** Set the input and accumulation tensors. + * + * @param[in] input Source tensor. Data types supported: U8. + * @param[out] accum Destination tensor. Data types supported: S16. + */ + void configure(const ICLTensor *input, ICLTensor *accum); + /** Set the input and accumulation tensors. + * + * @param[in] compile_context The compile context to be used. + * @param[in] input Source tensor. Data types supported: U8. + * @param[out] accum Destination tensor. Data types supported: S16. + */ + void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *accum); +}; + +/** 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 CLAccumulateWeightedKernel : public ICLSimple2DKernel +{ +public: + /** Set the input and accumulation images, and the scale value. + * + * @param[in] input Source tensor. Data types supported: U8. + * @param[in] alpha Scalar value in the range [0, 1.0]. Data types supported: F32. + * @param[in,out] accum Accumulated tensor. Data types supported: U8. + */ + void configure(const ICLTensor *input, float alpha, ICLTensor *accum); + /** Set the input and accumulation images, and the scale value. + * + * @param[in] compile_context The compile context to be used. + * @param[in] input Source tensor. Data types supported: U8. + * @param[in] alpha Scalar value in the range [0, 1.0]. Data types supported: F32. + * @param[in,out] accum Accumulated tensor. Data types supported: U8. + */ + void configure(const CLCompileContext &compile_context, const ICLTensor *input, float alpha, ICLTensor *accum); +}; + +/** 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 CLAccumulateSquaredKernel : public ICLSimple2DKernel +{ +public: + /** Set the input and accumulation tensors and the shift value. + * + * @param[in] input Source tensor. Data types supported: U8. + * @param[in] shift Shift value in the range of [0, 15]. Data types supported: U32. + * @param[in,out] accum Accumulated tensor. Data types supported: S16. + */ + void configure(const ICLTensor *input, uint32_t shift, ICLTensor *accum); + /** Set the input and accumulation tensors and the shift value. + * + * @param[in] compile_context The compile context to be used. + * @param[in] input Source tensor. Data types supported: U8. + * @param[in] shift Shift value in the range of [0, 15]. Data types supported: U32. + * @param[in,out] accum Accumulated tensor. Data types supported: S16. + */ + void configure(const CLCompileContext &compile_context, const ICLTensor *input, uint32_t shift, ICLTensor *accum); +}; +} // namespace arm_compute +#endif /*ARM_COMPUTE_CLACCUMULATEKERNEL_H */ |