Secrets of F90 compiler optimization

2. General optimization levels

(Cannot be mixed with specific levels in Section 1.) rule 


   Specify   Meaning                Same as
   ------   -------------------     ------------------------
   -O 0      None                   -O vector0,scalar0,task0
   -O 1      Conservative           -O vector1,scalar1,task1
   -O 2      Moderate (default)     -O vector2,scalar2,task1
   -O 3      Aggressive             -O vector3,scalar2,task2


rule

back Back