Good Morning! I have encountered an interesting problem.
I have a program (model) executable compiled in PGI versions 14.7 and 15.10 which was executed using same inputs. The model results from run using 14.10 versus 15.10 showed considerable variation. I have switched compiler versions before for this program and never seen variation in results more than 1%.
Does any one have any idea why I am seeing this variation? Any assistance in this matter is highly appreciated.
Thank you for your time.