From 8529bd68d8a979874b8c53c0e26af411aae058f5 Mon Sep 17 00:00:00 2001 From: Manuel Bottini Date: Wed, 21 Nov 2018 11:53:04 +0000 Subject: COMPMID-1727 - CL: Implement Gather Change-Id: I3d859da09a4de1019bb8c2046725eab942247927 Reviewed-on: https://review.mlplatform.org/386 Tested-by: Arm Jenkins Reviewed-by: Georgios Pinitas --- arm_compute/core/CL/CLKernels.h | 3 +- arm_compute/core/CL/kernels/CLGatherKernel.h | 80 +++++++++++++++++++++++++++ arm_compute/core/utils/misc/ShapeCalculator.h | 14 ++++- 3 files changed, 95 insertions(+), 2 deletions(-) create mode 100644 arm_compute/core/CL/kernels/CLGatherKernel.h (limited to 'arm_compute/core') diff --git a/arm_compute/core/CL/CLKernels.h b/arm_compute/core/CL/CLKernels.h index cfcfb7400b..e68769b6ae 100644 --- a/arm_compute/core/CL/CLKernels.h +++ b/arm_compute/core/CL/CLKernels.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2018 ARM Limited. + * Copyright (c) 2016-2019 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -83,6 +83,7 @@ #include "arm_compute/core/CL/kernels/CLGEMMReshapeLHSMatrixKernel.h" #include "arm_compute/core/CL/kernels/CLGEMMReshapeRHSMatrixKernel.h" #include "arm_compute/core/CL/kernels/CLGEMMTranspose1xWKernel.h" +#include "arm_compute/core/CL/kernels/CLGatherKernel.h" #include "arm_compute/core/CL/kernels/CLGaussian3x3Kernel.h" #include "arm_compute/core/CL/kernels/CLGaussian5x5Kernel.h" #include "arm_compute/core/CL/kernels/CLGaussianPyramidKernel.h" diff --git a/arm_compute/core/CL/kernels/CLGatherKernel.h b/arm_compute/core/CL/kernels/CLGatherKernel.h new file mode 100644 index 0000000000..4dac6b0d1f --- /dev/null +++ b/arm_compute/core/CL/kernels/CLGatherKernel.h @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2018-2019 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_CLGATHERKERNEL_H__ +#define __ARM_COMPUTE_CLGATHERKERNEL_H__ + +#include "arm_compute/core/CL/ICLKernel.h" +#include "arm_compute/core/Types.h" + +namespace arm_compute +{ +class ICLTensor; + +/** Interface for the kernel to perform tensor reshaping */ +class CLGatherKernel : public ICLKernel +{ +public: + /** Default constructor */ + CLGatherKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + CLGatherKernel(const CLGatherKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + CLGatherKernel &operator=(const CLGatherKernel &) = delete; + /** Allow instances of this class to be moved */ + CLGatherKernel(CLGatherKernel &&) = default; + /** Allow instances of this class to be moved */ + CLGatherKernel &operator=(CLGatherKernel &&) = default; + /** Default destructor */ + ~CLGatherKernel() = default; + /** Initialise the kernel's inputs and outputs + * + * @param[in] input Source tensor. Supported tensor rank: up to 4. Data type supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32 + * @param[in] indices Indices tensor. Supported tensor rank: up to 1. Must be one of the following type: S64. Each value Must be in range [0, input.shape[@p axis]) + * @param[out] output Destination tensor. Data type supported: Same as @p input + * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Negative values wrap around. Defaults to 0 + */ + void configure(const ICLTensor *input, const ICLTensor *indices, ICLTensor *output, int axis = 0); + + /** Static function to check if given info will lead to a valid configuration of @ref CLGatherKernel + * + * @param[in] input Source tensor info. Supported tensor rank: up to 4. Data type supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32 + * @param[in] indices Indices tensor info. Supported tensor rank: up to 4. Must be one of the following type: S64. Each value Must be in range [0, input.shape[@p axis]) + * @param[in] output Destination tensor info. Data type supported: Same as @p input + * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Negative values wrap around. Defaults to 0 + * + * @return a status + */ + static Status validate(const ITensorInfo *input, const ITensorInfo *indices, const ITensorInfo *output, int axis = 0); + + // Inherited methods overridden: + void run(const Window &window, cl::CommandQueue &queue) override; + +private: + const ICLTensor *_input; /**< Source tensor */ + const ICLTensor *_indices; /**< Indices tensor */ + ICLTensor *_output; /**< Destination tensor */ + int _axis; /**< Axis index */ +}; +} // namespace arm_compute +#endif /*__ARM_COMPUTE_CLGATHERKERNEL_H__ */ diff --git a/arm_compute/core/utils/misc/ShapeCalculator.h b/arm_compute/core/utils/misc/ShapeCalculator.h index 4756ff4f97..ba0d8e254d 100644 --- a/arm_compute/core/utils/misc/ShapeCalculator.h +++ b/arm_compute/core/utils/misc/ShapeCalculator.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2018 ARM Limited. + * Copyright (c) 2017-2019 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -874,6 +874,18 @@ inline TensorShape compute_stack_shape(const ITensorInfo &a, unsigned int axis, } return shape_out; } + +inline TensorShape compute_gather_shape(const TensorShape &input_shape, const TensorShape &indices_shape, uint32_t actual_axis) +{ + ARM_COMPUTE_ERROR_ON(indices_shape.num_dimensions() > 1); + ARM_COMPUTE_ERROR_ON(input_shape.num_dimensions() > 4); + ARM_COMPUTE_ERROR_ON(actual_axis >= input_shape.num_dimensions()); + + TensorShape output_shape = input_shape; + output_shape[actual_axis] = indices_shape[0]; + + return output_shape; +} } // namespace shape_calculator } // namespace misc } // namespace arm_compute -- cgit v1.2.1