generate dax function running very slow , could you please help me to improve

[Chinnageddada]

HI Master of DAX ,

I am facing issue with  below code running long time could you please help me to imporve the it
VAR Table = FILTER(
ADDCOLUMNS(
GENERATE(
ALLSELECTED(Cust[Name]) ,
ALLSELECTED(CESM[Metric], CESM[MType])
) ,
"Measure Value" ,
),NOT(ISBlank([Measure Value])

Thanks in Advance 

[AntrikshSharma]

Will have to see whole of your code to understand why it is slow.