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/*
* Copyright (c) 2017-2021, 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 ACL_SRC_GPU_CL_KERNELS_CLSOFTMAXKERNEL_H
#define ACL_SRC_GPU_CL_KERNELS_CLSOFTMAXKERNEL_H
#include "arm_compute/core/Error.h"
#include "arm_compute/core/KernelDescriptors.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Window.h"
#include "src/core/common/Macros.h"
#include "src/gpu/cl/ClCompileContext.h"
#include "src/gpu/cl/IClKernel.h"
namespace arm_compute
{
namespace opencl
{
namespace kernels
{
/** The CL kernel that performs softmax function. */
class ClSoftmaxKernel : public IClKernel
{
public:
ClSoftmaxKernel();
ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClSoftmaxKernel);
/** Check if the kernel arguments are valid.
*
* See @ref ClSoftmaxKernel::configure().
*
* @return The status.
*/
static Status validate(const ITensorInfo &src, const ITensorInfo &dst, const SoftmaxKernelInfo &info);
/** Configure the kernel.
*
* @param[in] compile_context The compile context to be used.
* @param[in] src Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32 for Softmax and F16/F32 for Log Softmax
* @param[out] dst Destination tensor info. Data types supported: same as @p src
* @param[in] info Contains information consumed by kernels for softmax described in @ref SoftmaxKernelInfo.
*/
void configure(const CLCompileContext &compile_context,
const ITensorInfo &src,
ITensorInfo &dst,
const SoftmaxKernelInfo &info);
void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override;
/** Get the tensor info of the temporary tensor. */
const TensorInfo &tmp_tensor_info() const;
private:
bool _prepared{false};
int32_t _axis{0};
TensorInfo _tmp_info{};
};
} // namespace kernels
} // namespace opencl
} // namespace arm_compute
#endif // ACL_SRC_GPU_CL_KERNELS_CLSOFTMAXKERNEL_H
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