Intel® oneAPI Deep Neural Network Developer Guide and Reference
AvgPoolBackward
General
AvgPoolBackward operation accepts 
 tensor and 
 tensor (optional), and calculates 
 tensor.
Operation attributes
Attribute Name  |  
        Description  |  
        Value Type  |  
        Supported Values  |  
        Required or Optional  |  
       
|---|---|---|---|---|
Controls the strides the window is moved.  |  
        s64  |  
        A s64 list containing positive values  |  
        Required  |  
       |
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  |  
       |
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  |  
       |
Size of pooling window.  |  
        s64  |  
        A s64 list containing positive values  |  
        Required  |  
       |
Controls whether the padded values are counted.  |  
        bool  |  
        True, False  |  
        Required  |  
       |
Controls how the paddings are calculated.  |  
        string  |  
        none (default), same_upper , same_lower , valid  |  
        Optional  |  
       |
Controls how to interpret the shape of src and dst .  |  
        string  |  
        NCX , NXC (default)  |  
        Optional  |  
       |
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  |  
       
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  |