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/*
* Copyright (c) 2022-2023 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 SRC_DYNAMIC_FUSION_SKETCH_GPU_COMPONENTS_CL_CLCOMPONENTLOGITS1DMAXSHIFTEXPSUM
#define SRC_DYNAMIC_FUSION_SKETCH_GPU_COMPONENTS_CL_CLCOMPONENTLOGITS1DMAXSHIFTEXPSUM
#include "arm_compute/dynamic_fusion/sketch/attributes/SoftmaxAttributes.h"
#include "src/dynamic_fusion/sketch/gpu/components/IGpuKernelComponent.h"
namespace arm_compute
{
/** Forward declaration */
class ITensorInfo;
namespace experimental
{
namespace dynamic_fusion
{
/** Forward declaration */
template <typename T>
class ArgumentPack;
/** Forward declaration */
class ClTemplateLogits1DMaxShiftExpSum;
/** Component to calculate max-shifted exponentials and their sum
*
* 1D example:
* input: [x1, x2, ... , xn], shape: (1 x d)
*
* Let max(x1...xn) = m
*
* (output) sum: [exp(x1-m) + ... + exp(xn-m)], shape: (1 x 1)
* (output) dst: [exp(x1-m) ... exp(xn-m)], shape: (1 x d)
*
* This component is used by the softmax operator. The subsequent
* operation normalizes dst with sum, therefore the max-shifting
* since exp(m) will be cancelled in numerator and denominator.
*/
class ClComponentLogits1DMaxShiftExpSum final : public IGpuKernelComponent
{
public:
/** Attributes are a set of backend-agnostic parameters that define what a component does */
using Attributes = SoftmaxAttributes;
/** Validate the component
*
* @param[in] properties Component properties @ref Properties
* @param[in] tensors Tensor arguments to the component
* @param[in] attributes Component attributes @ref Attributes
*
* @return Status Validation results
*
* Tensor argument names:
* - ACL_SRC_0: Input
* - ACL_DST_0: Output
* - ACL_DST_1: Output
*
* Tensor argument constness:
* - ACL_SRC_0: Const
* - ACL_DST_0: Const
* - ACL_DST_1: Const
*
* Valid data layouts:
* - All
*
** Valid data type configurations:
* |ACL_SRC_0 |ACL_DST_0 |ACL_DST_1 |
* |:----------|:----------|:----------|
* |F16 | F16 | F16 |
* |F32 | F32 | F32 |
*/
static Status
validate(const Properties &properties, const ArgumentPack<ITensorInfo> &tensors, const Attributes &attributes);
/** Constructor
*
* Similar to @ref ClComponentLogits1DMaxShiftExpSum::validate()
*/
ClComponentLogits1DMaxShiftExpSum(ComponentId id,
const Properties &properties,
const ArgumentPack<ITensorInfo> &tensors,
const Attributes &attributes);
/** Destructor */
~ClComponentLogits1DMaxShiftExpSum() override;
/** Prevent instances of this class from being copy constructed */
ClComponentLogits1DMaxShiftExpSum(const ClComponentLogits1DMaxShiftExpSum &component) = delete;
/** Prevent instances of this class from being copied */
ClComponentLogits1DMaxShiftExpSum &operator=(const ClComponentLogits1DMaxShiftExpSum &component) = delete;
/** Allow instances of this class to be move constructed */
ClComponentLogits1DMaxShiftExpSum(ClComponentLogits1DMaxShiftExpSum &&component) = default;
/** Allow instances of this class to be moved */
ClComponentLogits1DMaxShiftExpSum &operator=(ClComponentLogits1DMaxShiftExpSum &&component) = default;
/** Get template writer for the component */
const IGpuTemplateComponentWriter *template_writer() const override;
/** Get component type */
GpuComponentType type() const override
{
return GpuComponentType::Unfusable;
}
private:
std::unique_ptr<ClTemplateLogits1DMaxShiftExpSum> _component_writer;
};
} // namespace dynamic_fusion
} // namespace experimental
} // namespace arm_compute
#endif /* SRC_DYNAMIC_FUSION_SKETCH_GPU_COMPONENTS_CL_CLCOMPONENTLOGITS1DMAXSHIFTEXPSUM */
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