How fast it is ?
 

Concerning the Le Bail method : Very fast !

Demonstration with :

ARIT
FULLPROF
WinMProf

EXPO (probably in the next contribution)
etc
 
 
 
 
 
 
 
 
 

Concerning the Pawley method ?

Mmmh, who has a software ?

Anyway, longer, because each Intensity is a parameter to refine.