[bgl-discuss] compile roptimization

[hongzhang shan <hshan@xxxxxxx>]

Hi,

  I have a fortran90 program. I found that if I use -O2, -O3 (with 
-qstrict) optimization when compiling,  my program
failed to generate the right results. I can only get the correct results 
when not using any optimization. I found that
this is perhapes related with the data precision. Does anybody have 
similar experience and know why ?
The compiler I used is blrts_xlf90.

Thanks!

shan

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