Re: gfortran and power calculation

2007-04-04 Thread Richard Guenther
On 4/4/07, jbijak <[EMAIL PROTECTED]> wrote: Hi, I tried to calculate the relations: a=b**1.5 and a=sqrt(b)**3 This is already optimized with mainline. Richard.

gfortran and power calculation

2007-04-04 Thread jbijak
Hi, I tried to calculate the relations: a=b**1.5 and a=sqrt(b)**3 they are the same in the mathematical point of view but the second version works 7 times faster. I tried it with various optimization levels without big difference. I think that it is easy to optimize no the code level. I'm