The size of thread level storage under OpenMP.

[Toon Moene]

Tobias Burnus wrote:

> Toon Moene wrote:
>> I have an OpenMP enabled Fortran program that dies a quick death when 
>> compiled with -fopenmp

> A classical problem with OpenMP is that one runs out of stack memory. 
> The current stack setting can be queried using the sh/bash using "ulimit 
> -s" and using the (t)csh using "limit stacksize". Try to set it to 
> "unlimited". Often systems limit the available stack memory; A soft 
> limit of 8192 kbytes is a typical value under Linux.

We already set ulimit -s to unlimited (since times premordial) because 
all of our local arrays are automatic arrays).

This cannot be the problem.  The code runs fine if I replace -fopenmp 
with -frecursive.

Cheers,

-- 
Toon Moene - e-mail: toon@moene.indiv.nluug.nl - phone: +31 346 214290
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
At home: http://moene.indiv.nluug.nl/~toon/
Progress of GNU Fortran: http://gcc.gnu.org/ml/gcc/2008-01/msg00009.html