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/*
* Copyright (c) 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_NEGEMMINTERLEAVEBLOCKEDKERNEL_H__
#define __ARM_COMPUTE_NEGEMMINTERLEAVEBLOCKEDKERNEL_H__
#include "arm_compute/core/NEON/INESimpleKernel.h"
namespace arm_compute
{
class ITensor;
/** NEON kernel to interleave the elements of a matrix
*
* Interleave_Blocked copies a block of values at a time instead of just one. The main use of this is the gemmlowp with the "dot product"
* instruction, where each operation consumes 4 values, so we need to copy blocks of 4 values.
*
*/
class NEGEMMInterleaveBlockedKernel : public INESimpleKernel
{
public:
/* Constructor */
NEGEMMInterleaveBlockedKernel();
/** Initialise the kernel's input and output.
*
* @param[in] input Input tensor. Data types supported: U8
* @param[out] output Output tensor which stores the interleaved matrix. Data type supported: same as @p input.
* @param[in] block_height The height of the blocks to be interleaved.
* @param[in] block_width The width of the blocks to be interleaved.
* @param[in] transpose True if transpose operation must be performed, false otherwise.
*/
void configure(const ITensor *input, ITensor *output, unsigned int block_height, unsigned int block_width, bool transpose);
/** Static function to check if given info will lead to a valid configuration of @ref NEGEMMInterleaveBlockedKernel
*
* @param[in] input Input tensor. Data types supported: U8
* @param[in] output Output tensor which stores the interleaved matrix. Data type supported: same as @p input.
* @param[in] block_height The height of the blocks to be interleaved.
* @param[in] block_width The width of the blocks to be interleaved.
* @param[in] transpose True if transpose operation must be performed, false otherwise.
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int block_height, unsigned int block_width, bool transpose);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
private:
unsigned int _block_height;
unsigned int _block_width;
bool _transpose;
};
} // namespace arm_compute
#endif /*__ARM_COMPUTE_NEGEMMINTERLEAVEBLOCKEDKERNEL_H__*/
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