From 7434cfae69cc8a84cab9f71540c4e65b3d6ee77d Mon Sep 17 00:00:00 2001 From: Jiacheng Huang Date: Thu, 7 May 2026 17:53:44 +0800 Subject: [PATCH 1/2] feat: add `tanh_backward_grad_input` base --- src/base/tanh_backward_grad_input.h | 41 +++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/base/tanh_backward_grad_input.h diff --git a/src/base/tanh_backward_grad_input.h b/src/base/tanh_backward_grad_input.h new file mode 100644 index 00000000..a96ec171 --- /dev/null +++ b/src/base/tanh_backward_grad_input.h @@ -0,0 +1,41 @@ +#ifndef INFINI_OPS_BASE_TANH_BACKWARD_GRAD_INPUT_H_ +#define INFINI_OPS_BASE_TANH_BACKWARD_GRAD_INPUT_H_ + +#include "operator.h" + +namespace infini::ops { + +class TanhBackwardGradInput : public Operator { + public: + TanhBackwardGradInput(const Tensor grad_output, const Tensor output, + Tensor grad_input) + : grad_output_shape_{grad_output.shape()}, + grad_output_strides_{grad_output.strides()}, + grad_output_type_{grad_output.dtype()}, + output_shape_{output.shape()}, + output_strides_{output.strides()}, + output_type_{output.dtype()}, + grad_input_shape_{grad_input.shape()}, + grad_input_strides_{grad_input.strides()}, + grad_input_type_{grad_input.dtype()}, + device_index_{grad_input.device().index()} {} + + virtual void operator()(const Tensor grad_output, const Tensor output, + Tensor grad_input) const = 0; + + protected: + Tensor::Shape grad_output_shape_; + Tensor::Strides grad_output_strides_; + DataType grad_output_type_; + Tensor::Shape output_shape_; + Tensor::Strides output_strides_; + DataType output_type_; + Tensor::Shape grad_input_shape_; + Tensor::Strides grad_input_strides_; + DataType grad_input_type_; + int device_index_{0}; +}; + +} // namespace infini::ops + +#endif From f6ef14f46eb45575b72a165d2b6b64bb2e783429 Mon Sep 17 00:00:00 2001 From: Jiacheng Huang Date: Thu, 7 May 2026 17:37:37 +0800 Subject: [PATCH 2/2] chore: separate base class members --- src/base/tanh_backward_grad_input.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/base/tanh_backward_grad_input.h b/src/base/tanh_backward_grad_input.h index a96ec171..6c85ea23 100644 --- a/src/base/tanh_backward_grad_input.h +++ b/src/base/tanh_backward_grad_input.h @@ -25,14 +25,23 @@ class TanhBackwardGradInput : public Operator { protected: Tensor::Shape grad_output_shape_; + Tensor::Strides grad_output_strides_; + DataType grad_output_type_; + Tensor::Shape output_shape_; + Tensor::Strides output_strides_; + DataType output_type_; + Tensor::Shape grad_input_shape_; + Tensor::Strides grad_input_strides_; + DataType grad_input_type_; + int device_index_{0}; };