.. index:: pair: page; AvgPoolBackward .. _doxid-dev_guide_op_avgpoolbackward: AvgPoolBackward =============== General ~~~~~~~ AvgPoolBackward operation accepts :math:`\diffdst` tensor and :math:`\srcshape` tensor (optional), and calculates :math:`\diffsrc` tensor. Operation attributes ~~~~~~~~~~~~~~~~~~~~ ======================================================================================================================== ============================================================================================================================================================================================================ =========== ================================================================ ===================== Attribute Name Description Value Type Supported Values Required or Optional ======================================================================================================================== ============================================================================================================================================================================================================ =========== ================================================================ ===================== :ref:`strides ` Controls the strides the window is moved. s64 A s64 list containing positive values Required :ref:`pads_begin ` Controls number of zeros to be add to the front/top/left of spatial dimensions, the attribute will be ignored when ``auto_pad`` attribute is specified to ``same_upper`` , ``same_lower`` or ``valid`` . s64 A s64 list containing non-negative values Required :ref:`pads_end ` Controls number of zeros to be add to the back/bottom/right of spatial dimensions, the attribute will be ignored when ``auto_pad`` attribute is specified to ``same_upper`` , ``same_lower`` or ``valid`` . s64 A s64 list containing non-negative values Required :ref:`kernel ` Size of pooling window. s64 A s64 list containing positive values Required :ref:`exclude_pad ` Controls whether the padded values are counted. bool True, False Required :ref:`auto_pad ` Controls how the paddings are calculated. string ``none`` (default), ``same_upper`` , ``same_lower`` , ``valid`` Optional :ref:`data_format ` Controls how to interpret the shape of ``src`` and ``dst`` . string ``NCX`` , ``NXC`` (default) Optional :ref:`src_shape ` Denotes the shape of input of forward op. s64 A s64 list containing positive values. Optional ======================================================================================================================== ============================================================================================================================================================================================================ =========== ================================================================ ===================== Execution arguments ~~~~~~~~~~~~~~~~~~~ The inputs and outputs must be provided according to below index order when constructing an operation. Inputs ------ ====== ============== ===================== Index Argument Name Required or Optional ====== ============== ===================== 0 ``diff_dst`` Required 1 ``src_shape`` Optional ====== ============== ===================== .. note:: Either ``src_shape`` input or ``src_shape`` attribute should be provided. If both provided, ``src_shape`` input will precede over ``src_shape`` attribute. Outputs ------- ====== ============== ===================== Index Argument Name Required or Optional ====== ============== ===================== 0 ``diff_src`` Required ====== ============== ===================== Supported data types ~~~~~~~~~~~~~~~~~~~~ AvgPoolBackward operation supports the following data type combinations. ========= ========= ========== Diff_dst Diff_src Src_shape ========= ========= ========== f32 f32 s32 bf16 bf16 s32 f16 f16 s32 ========= ========= ==========