From 7b9998d0fe1f98768b690ead10ebfa166d1b873d Mon Sep 17 00:00:00 2001 From: Manuel Bottini Date: Mon, 21 Oct 2019 17:59:07 +0100 Subject: COMPMID-1816: Use parallel reduction on 0 axis in CL ARG_MIN/ARG_MAX Introducing new CLArgMinMax kernel Change-Id: I0b8254207cc3859d19ceef9b6429cf5c1c586db0 Signed-off-by: Manuel Bottini Reviewed-on: https://review.mlplatform.org/c/2202 Comments-Addressed: Arm Jenkins Tested-by: Arm Jenkins Reviewed-by: Michalis Spyrou --- .../core/CL/kernels/CLArgMinMaxLayerKernel.h | 94 ++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 arm_compute/core/CL/kernels/CLArgMinMaxLayerKernel.h (limited to 'arm_compute/core/CL/kernels/CLArgMinMaxLayerKernel.h') diff --git a/arm_compute/core/CL/kernels/CLArgMinMaxLayerKernel.h b/arm_compute/core/CL/kernels/CLArgMinMaxLayerKernel.h new file mode 100644 index 0000000000..7f4cfe3edc --- /dev/null +++ b/arm_compute/core/CL/kernels/CLArgMinMaxLayerKernel.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2019 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_CLARGMINMAXLAYERKERNEL_H +#define ARM_COMPUTE_CLARGMINMAXLAYERKERNEL_H + +#include "arm_compute/core/CL/ICLKernel.h" +#include "arm_compute/core/Types.h" + +namespace arm_compute +{ +class ICLTensor; + +/** Interface for the reduction operation kernel + * + * @note The default data type for an uninitialized output tensor is + * signed 32-bit integer (S32). It is the user's responsibility to check + * that the results do not overflow because the indices are computed + * in unsigned 32-bit (U32). + */ +class CLArgMinMaxLayerKernel : public ICLKernel +{ +public: + /** Default constructor */ + CLArgMinMaxLayerKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + CLArgMinMaxLayerKernel(const CLArgMinMaxLayerKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + CLArgMinMaxLayerKernel &operator=(const CLArgMinMaxLayerKernel &) = delete; + /** Allow instances of this class to be moved */ + CLArgMinMaxLayerKernel(CLArgMinMaxLayerKernel &&) = default; + /** Allow instances of this class to be moved */ + CLArgMinMaxLayerKernel &operator=(CLArgMinMaxLayerKernel &&) = default; + /** Default destructor */ + ~CLArgMinMaxLayerKernel() = default; + + /** Set the input and output tensors. + * + * @param[in] input Source tensor. Data types supported: S32/F16/F32. + * @param[in] prev_output Destination tensor of the previous iterations of @ref CLArgMinMaxLayerKernel. Data types supported: U32/S32 + * Has to be nullptr for the first iteration + * @param[out] output Destination tensor. Data types supported: U32/S32 + * Output will have the same number of dimensions as input. + * @param[in] axis Axis along which to reduce. Supported reduction axis : 0,1,2,3 + * @param[in] op Reduction operation to perform. Only ArgMin and ArgMax are supported. + */ + void configure(const ICLTensor *input, const ICLTensor *prev_output, ICLTensor *output, unsigned int axis, ReductionOperation op); + + /** Static function to check if given info will lead to a valid configuration of @ref CLArgMinMaxLayerKernel. + * + * @param[in] input Source tensor info. Data types supported: S32/F16/F32. + * @param[in] prev_output Destination tensor info of the previous iterations. Data types supported: U32/S32 + * Has to be nullptr for the first iteration + * @param[in] output Destination tensor info. Data types supported: U32/S32 + * Output will have the same number of dimensions as input. + * @param[in] axis Axis along which to reduce. Supported reduction axis : 0,1,2,3 + * @param[in] op Reduction operation to perform. Only ArgMin and ArgMax are supported. + * + * @return a status + */ + static Status validate(const ITensorInfo *input, const ITensorInfo *prev_output, const ITensorInfo *output, unsigned int axis, ReductionOperation op); + + // Inherited methods overridden: + void run(const Window &window, cl::CommandQueue &queue) override; + +private: + const ICLTensor *_input; + const ICLTensor *_prev_output; + ICLTensor *_output; + unsigned int _reduction_axis; + ReductionOperation _op; +}; +} // namespace arm_compute +#endif /* ARM_COMPUTE_CLARGMINMAXLAYERKERNEL_H */ -- cgit v1.2.1