[Omp] Problems with optimisation

Tue Jan 2 13:09:29 PST 2007

>From the message you appear to be using a Sun compiler. You need to take this problem up with the vendor. 

-----Original Message-----
From: omp-bounces at openmp.org [mailto:omp-bounces at openmp.org] On Behalf Of Håkan Lane
Sent: Tuesday, January 02, 2007 12:47 PM
To: omp at openmp.org
Subject: [Omp] Problems with optimisation

I get the following message when compiling with the f90 compiler and the -openmp option:

f90: Warning: Specify a supported level of optimization when using -xopenmp, -xopenmp will not set an optimization level in a future release. Optimization level changed to 3 to support -xopenmp.

I am suspecting that the automatic higher level of optimisation is bringing problems to my application. I am getting a nul pointer error even though the array is allocated in the calling routine. Is there any way to get around this problem? There is nothing unusual with the code, and it seems that it needs to run on a lower optimisation level. Thanks in advance.

Håkan Lane
Ph. D. candidate, Chalmers University of Technology

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