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Diffstat (limited to 'src/gpu/cl/operators/ClSoftmax.h')
-rw-r--r-- | src/gpu/cl/operators/ClSoftmax.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/gpu/cl/operators/ClSoftmax.h b/src/gpu/cl/operators/ClSoftmax.h new file mode 100644 index 0000000000..6c9af585d6 --- /dev/null +++ b/src/gpu/cl/operators/ClSoftmax.h @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2021 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_CL_SOFTMAX_H +#define ARM_COMPUTE_CL_SOFTMAX_H + +#include "arm_compute/runtime/CL/CLTensor.h" +#include "src/gpu/cl/ClCompileContext.h" +#include "src/gpu/cl/IClOperator.h" + +namespace arm_compute +{ +struct SoftmaxKernelInfo; + +namespace opencl +{ +class ClPermute; +namespace kernels +{ +class ClLogits1DMaxShiftExpSumKernel; +class ClLogits1DNormKernel; +} // namespace kernels +class ClSoftmax : public IClOperator +{ +public: + /** Constructor */ + ClSoftmax(); + /** Configure the operator + * + * @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); + /** Static function to check if given info will lead to a valid configuration + * + * Similar to ClSoftmax::configure() + * + * @return a status + */ + static Status validate(const ITensorInfo &src, const ITensorInfo &dst, const SoftmaxKernelInfo &info); + // Inherited methods overridden: + void run(ITensorPack &tensors) override; + experimental::MemoryRequirements workspace() const override; + +private: + enum InternalTensorIdx + { + MAX = 0, + SUM, + TMP, + PERMUTED_SRC, + PERMUTED_DST, + COUNT + }; + + std::unique_ptr<ClPermute> _permute_input; + std::unique_ptr<ClPermute> _permute_output; + std::unique_ptr<kernels::ClLogits1DMaxShiftExpSumKernel> _max_shift_exp_sum_kernel; + std::unique_ptr<kernels::ClLogits1DNormKernel> _norm_kernel; + bool _needs_permute{ false }; + + TensorInfo _max_info; + TensorInfo _sum_info; + TensorInfo _tmp_info; + TensorInfo _permuted_src_info; + TensorInfo _permuted_dst_info; + + experimental::MemoryRequirements _aux_mem{}; +}; + +} // opencl +} // arm_compute +#endif /* ARM_COMPUTE_CL_SOFTMAX_H */
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