🚀 go-pugleaf

engp3056@leonis.nus.sg (JEROME HANSABHAYA ELLEPOLA) writes:

>I am writing a CFD code which needs 10, arrays of [101][801] in the main
>program.

>In one function there is another 5, arrays of [101][801],
>the program runs fine on a Spark10 but core dumps ( segmentation fault )
>at that point.

>When the arrays are defined as floats things seem to work.

And what are they defined as now?

>I have about 64MB of RAM, and assuming that all functions use the memory
>at all times, with 3 functions I would need (3*5+8)*101*801*4=15MB

>Hardly a problem right?
Watch out. Some OS use a few bits in the address to indicate stack
space. This *could* mean that you cannot use all your memory just
for a stack. You might try making the arrays in main() static,
and see if that changes anything.
-- 
 David Kastrup        dak@pool.informatik.rwth-aachen.de          
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