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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
* Copyright (c) 2016-2018 ARM Limited.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file CLEmbeddingLookupKernel.h
* @ingroup COM_AI_RUNTIME
* @brief This file defines CLEmbeddingLookupKernel class
*/
#ifndef __ARM_COMPUTE_CLEMBEDDINGLOOKUPKERNEL_H__
#define __ARM_COMPUTE_CLEMBEDDINGLOOKUPKERNEL_H__
#include "arm_compute/core/CL/ICLKernel.h"
namespace arm_compute
{
class ICLTensor;
/**
* @brief Class to perform EmbeddingLookup operation with opencl kernel
*/
class CLEmbeddingLookupKernel : public ICLKernel
{
public:
/**
* @brief Construct a CLEmbeddingLookupKernel object
* */
CLEmbeddingLookupKernel();
/**
* @brief Prevent instances of this class from being copied (As this class contains pointers)
* */
CLEmbeddingLookupKernel(const CLEmbeddingLookupKernel &) = delete;
/**
* @brief Prevent instances of this class from being copied (As this class contains pointers)
* */
CLEmbeddingLookupKernel &operator=(const CLEmbeddingLookupKernel &) = delete;
/**
* @brief Construct a CLEmbeddingLookupKernel object by using default move constructor
* @param[in] CLEmbeddingLookupKernel object to move
* */
CLEmbeddingLookupKernel(CLEmbeddingLookupKernel &&) = default;
/**
* @brief Move assignment operator
* @param[in] CLEmbeddingLookupKernel object to move
* */
CLEmbeddingLookupKernel &operator=(CLEmbeddingLookupKernel &&) = default;
/**
* @brief Destruct this object
* */
~CLEmbeddingLookupKernel() = default;
/**
* @brief Set the input and output of the kernel
* @param[in] input Source tensor.
* Data type supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
* @param[out] output Destination tensor. Data type supported: Same as @p input
* @param[in] lookups Lookups are 1D tensor that values are indices into the first
* dimension of input.
* Data types supported: S32.
* @return N/A
*/
void configure(const ICLTensor *input, ICLTensor *output, const ICLTensor *lookups);
/**
* @brief Static function to check if given info will lead to a valid configuration of @ref
* CLEmbeddingLookupKernel
* @param[in] input The input tensor info.
* Data types supported: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
* @param[in] output The output tensor info, Data types supported: same as @p input1.
* @param[in] lookups Lookups info. Data types supported: S32.
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output,
const ITensorInfo *lookups);
/**
* @brief Enqueue the OpenCL kernel to process the given window on the passed OpenCL command
* queue.
* @note The queue is *not* flushed by this method, and therefore the kernel will not have
* been executed by the time this method returns.
* @param[in] window Region on which to execute the kernel. (Must be a valid region of
* the window returned by window()).
* @param[in,out] queue Command queue on which to enqueue the kernel.@return N/A
* @return N/A
*/
void run(const Window &window, cl::CommandQueue &queue) override;
private:
const ICLTensor *_input; /** Source tensor */
ICLTensor *_output; /** Destination tensor */
const ICLTensor *_lookups; /** Lookups tensor */
};
} // namespace arm_compute
#endif /*__ARM_COMPUTE_CLEMBEDDINGLOOKUPKERNEL_H__ */
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