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/*
* Copyright (c) 2018-2020 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_CLELEMENTWISEOPERATIONKERNEL_H
#define ARM_COMPUTE_CLELEMENTWISEOPERATIONKERNEL_H
#include "arm_compute/core/CL/ICLKernel.h"
#include "arm_compute/core/Types.h"
namespace arm_compute
{
class ICLTensor;
/** Interface for an element-wise operation kernel
*
* Element-wise operation is computed by:
* @f[ output(x,y) = OP(input1(x,y), input2(x,y))@f]
*
*/
class CLElementwiseOperationKernel : public ICLKernel
{
public:
/** Default constructor */
CLElementwiseOperationKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLElementwiseOperationKernel(const CLElementwiseOperationKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
CLElementwiseOperationKernel &operator=(const CLElementwiseOperationKernel &) = delete;
/** Allow instances of this class to be moved */
CLElementwiseOperationKernel(CLElementwiseOperationKernel &&) = default;
/** Allow instances of this class to be moved */
CLElementwiseOperationKernel &operator=(CLElementwiseOperationKernel &&) = default;
/** Default destructor */
~CLElementwiseOperationKernel() = default;
// Inherited methods overridden:
void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override;
BorderSize border_size() const override;
protected:
/** The name of the operation */
virtual std::string name() = 0;
/** Initialise the kernel's output.
*
* @param[in] input1 First tensor input info. Data types supported: U8/S8/QASYMM8/QASYMM8_SIGNED/U16/S16/F16/U32/S32/F32.
* @param[in] input2 Second tensor input info. Data types supported: Same as @p input1.
* @param[in] output Output tensor info. Data types supported: Same as @p input1.
*
* @return a pair of Status and Window
*/
virtual std::pair<Status, Window> validate_and_configure_window(ITensorInfo &input1, ITensorInfo &input2, ITensorInfo &output) = 0;
/** Generate the build options for the specific kernel
*
* @reutrn a CLBuildOptions struct
*/
virtual CLBuildOptions generate_build_options(const ITensorInfo &input1, const ITensorInfo &input2, const ITensorInfo &output) = 0;
/** Generate the identifier for tuning
*
* @reutrn a string
*/
virtual std::string generate_id_for_tuning(const std::string &kernel_name, const ITensorInfo &input1, const ITensorInfo &output) = 0;
/** Commmon configure function for element-wise operators with no additional options (e.g., Div, Min, Max, SquaredDiff)
*
*/
void configure_common(ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output);
/** Commmon configure function for element-wise operators with no additional options (e.g., Div, Min, Max, SquaredDiff)
*
*/
void configure_common(const CLCompileContext &compile_context, ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output);
ActivationLayerInfo _act_info;
private:
const ITensorInfo *_input1; /**< Source tensor info 1 */
const ITensorInfo *_input2; /**< Source tensor info 2 */
ITensorInfo *_output; /**< Destination tensor info */
};
/** Addition operation */
class CLSaturatedArithmeticOperationKernel : public CLElementwiseOperationKernel
{
public:
CLSaturatedArithmeticOperationKernel()
: CLElementwiseOperationKernel(), _policy(), _op()
{
}
/** Static function to check if given info will lead to a valid configuration of @ref CLSaturatedArithmeticOperationKernel
*
* @param[in] op Arithmetic operation to be executed.
* @param[in] input1 First tensor input info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/S32/F32.
* @param[in] input2 Second tensor input info. Data types supported: Same as @p input1.
* @param[in] output Output tensor info. Data types supported: Same as @p input1.
* @param[in] policy Policy to use to handle overflow.
* @param[in] act_info (Optional) Activation layer information in case of a fused activation.
*/
void configure(ArithmeticOperation op, ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output, const ConvertPolicy &policy, const ActivationLayerInfo &act_info = ActivationLayerInfo());
/** Static function to check if given info will lead to a valid configuration of @ref CLSaturatedArithmeticOperationKernel
*
* @param[in] compile_context The compile context to be used.
* @param[in] op Arithmetic operation to be executed.
* @param[in] input1 First tensor input info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/S32/F32.
* @param[in] input2 Second tensor input info. Data types supported: Same as @p input1.
* @param[in] output Output tensor info. Data types supported: Same as @p input1.
* @param[in] policy Policy to use to handle overflow.
* @param[in] act_info (Optional) Activation layer information in case of a fused activation.
*/
void configure(const CLCompileContext &compile_context, ArithmeticOperation op, ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output, const ConvertPolicy &policy,
const ActivationLayerInfo &act_info = ActivationLayerInfo());
/** Static function to check if given info will lead to a valid configuration of @ref CLSaturatedArithmeticOperationKernel
*
* @param[in] op Arithmetic operation to be executed.
* @param[in] input1 First tensor input info info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/S32/F32.
* @param[in] input2 Second tensor input info info. Data types supported: Same as @p input1.
* @param[in] output Output tensor info info. Data types supported: Same as @p input1.
* @param[in] policy Policy to use to handle overflow.
* @param[in] act_info (Optional) Activation layer information in case of a fused activation.
*
* @return a Status
*/
static Status validate(ArithmeticOperation op, const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, const ConvertPolicy &policy,
const ActivationLayerInfo &act_info = ActivationLayerInfo());
protected:
// Inherited methods overridden:
std::string name() override;
std::pair<Status, Window> validate_and_configure_window(ITensorInfo &input1, ITensorInfo &input2, ITensorInfo &output) override;
CLBuildOptions generate_build_options(const ITensorInfo &input1, const ITensorInfo &input2, const ITensorInfo &output) override;
std::string generate_id_for_tuning(const std::string &kernel_name, const ITensorInfo &input1, const ITensorInfo &output) override;
private:
ConvertPolicy _policy;
ArithmeticOperation _op;
};
class CLArithmeticOperationKernel : public CLElementwiseOperationKernel
{
public:
CLArithmeticOperationKernel()
: CLElementwiseOperationKernel(), _op()
{
}
/** Static function to check if given info will lead to a valid configuration of @ref CLArithmeticOperationKernel
*
* @param[in] op Arithmetic operation to be executed.
* @param[in] input1 First tensor input info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/S32/F32.
* @param[in] input2 Second tensor input info. Data types supported: Same as @p input1.
* @param[in] output Output tensor info. Data types supported: Same as @p input1.
* @param[in] act_info (Optional) Activation layer information in case of a fused activation.
*/
void configure(ArithmeticOperation op, ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output, const ActivationLayerInfo &act_info = ActivationLayerInfo());
/** Static function to check if given info will lead to a valid configuration of @ref CLArithmeticOperationKernel
*
* @param[in] compile_context The compile context to be used.
* @param[in] op Arithmetic operation to be executed.
* @param[in] input1 First tensor input info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/S32/F32.
* @param[in] input2 Second tensor input info. Data types supported: Same as @p input1.
* @param[in] output Output tensor info. Data types supported: Same as @p input1.
* @param[in] act_info (Optional) Activation layer information in case of a fused activation.
*/
void configure(const CLCompileContext &compile_context, ArithmeticOperation op, ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output,
const ActivationLayerInfo &act_info = ActivationLayerInfo());
/** Static function to check if given info will lead to a valid configuration of @ref CLArithmeticOperationKernel
*
* @param[in] op Arithmetic operation to be executed.
* @param[in] input1 First tensor input info. Data types supported: U8/QASYMM8/QASYMM8_SIGNED/S16/QSYMM16/F16/S32/F32.
* @param[in] input2 Second tensor input info. Data types supported: Same as @p input1.
* @param[in] output Output tensor info. Data types supported: Same as @p input1.
* @param[in] act_info (Optional) Activation layer information in case of a fused activation.
*
* @return a Status
*/
static Status validate(ArithmeticOperation op, const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, const ActivationLayerInfo &act_info = ActivationLayerInfo());
protected:
// Inherited methods overridden:
std::string name() override;
std::pair<Status, Window> validate_and_configure_window(ITensorInfo &input1, ITensorInfo &input2, ITensorInfo &output) override;
CLBuildOptions generate_build_options(const ITensorInfo &input1, const ITensorInfo &input2, const ITensorInfo &output) override;
std::string generate_id_for_tuning(const std::string &kernel_name, const ITensorInfo &input1, const ITensorInfo &output) override;
private:
ArithmeticOperation _op;
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_CLELEMENTWISEOPERATIONKERNEL_H */
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