arm_compute/core/CL/kernels/CLWeightsReshapeKernel.h

/*
 * Copyright (c) 2017-2018 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_CLWEIGHTSRESHAPEKERNEL_H__
#define __ARM_COMPUTE_CLWEIGHTSRESHAPEKERNEL_H__

#include "arm_compute/core/CL/ICLKernel.h"

namespace arm_compute
{
class CLWeightsReshapeKernel : public ICLKernel
{
public:
    /** Constructor.*/
    CLWeightsReshapeKernel();
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    CLWeightsReshapeKernel(const CLWeightsReshapeKernel &) = delete;
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    CLWeightsReshapeKernel &operator=(const CLWeightsReshapeKernel &) = delete;
    /** Allow instances of this class to be moved */
    CLWeightsReshapeKernel(CLWeightsReshapeKernel &&) = default;
    /** Allow instances of this class to be moved */
    CLWeightsReshapeKernel &operator=(CLWeightsReshapeKernel &&) = default;
    /** Default destructor */
    ~CLWeightsReshapeKernel() = default;
    /** Set the input and output of the kernel.
     *
     * @param[in]  input  The input tensor to convert. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM] if shared,
     *                    and 5D tensor with dimensions [kernel_x, kernel_y, IFM, OFM,  num_patches] if unshared. Data types supported: QS8/QS16/QASYMM8/F16/F32
     * @param[in]  biases The shared biases tensor to append.  Bias is 1D tensor with dimensions [OFM] if shared and 2D tensor with
     *                    dimensions [OFM, num_patches] if unshared. Data types supported: Same as @p input
     *                    @warning Appending biases to weights reshaped matrix is not supported for quantized asymmetric types.
     * @param[out] output The output tensor. Should be a 2D Tensor. Data types supported: Same as @p input
     */
    void configure(const ICLTensor *input, const ICLTensor *biases, ICLTensor *output);
    /** Static function to check if given info will lead to a valid configuration of @ref CLWeightsReshapeKernel
     *
     * @param[in] input  The input tensor to convert. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM] if shared,
     *                   and 5D tensor with dimensions [kernel_x, kernel_y, IFM, OFM,  num_patches] if unshared. Data types supported: QS8/QS16/QASYMM8/F16/F32
     * @param[in] biases The shared biases tensor to append.  Bias is 1D tensor with dimensions [OFM] if shared and 2D tensor with
     *                   dimensions [OFM, num_patches] if unshared. Data types supported: Same as @p input
     *                   @warning Appending biases to weights reshaped matrix is not supported for quantized asymmetric types.
     * @param[in] output The output tensor. Should be a 2D Tensor. Data types supported: Same as @p input
     *
     * @return a status
     */
    static Status validate(const ITensorInfo *input, const ITensorInfo *biases, const ITensorInfo *output);

    // Inherited methods overridden:
    void run(const Window &window, cl::CommandQueue &queue) override;

private:
    const ICLTensor *_input;
    const ICLTensor *_biases;
    ICLTensor       *_output;
};
} // namespace arm_compute
#endif /*__ARM_COMPUTE_CLWEIGHTSRESHAPEKERNEL_H__ */