Solved by Nikronic in post #2 
              
              
                Hi, 
Let me explain it step by step. 


Here is kaiming_uniform_. 
 [image] 
[image] 
Where negative_slope=sqrt(5) so the gain=sqrt(2/6)=1/sqrt(3) for kaiming. 
If we replace this in bound formula, we get bound = [1/sqrt(3) ] * [sqrt(3/ fan_in)] which with a little simplification, it will be bound =…