[Carpet] potential integer overflow in Grid setup

[Erik Schnetter]

On Mar 18, 2008, at 08:59:42, Thomas Radke wrote:

> Hi Erik,
>
> yesterday I fixed the CarpetIOHDF5 testsuites, and during the last
> night's integration tests they passed on all machines - except on
> Pelican.lsu.edu (an IBM SP5). Running the testsuite
> CarpetWaveToyNewRecover_test_1proc.par I get the following error:
>
>> INFO (Carpet): Base grid specification for map 0:
>>   number of grid points : [20,20,20]
>>   number of ghost points: [[2,2,2],[2,2,2]]
>> WARNING level 0 in thorn CarpetLib processor 0 host  
>> peg304.hpc.lsu.edu
>>  (line 31 of /scratch/tradke/Cactus/configs/PublicThorns/build/ 
>> CarpetLib/bbox.cc):
>>  -> Tried to create a very large bbox -- it is likely that this  
>> would lead to an integer overflow
>> WARNING level 0 in thorn CarpetLib processor 0 host  
>> peg304.hpc.lsu.edu
>>  (line 31 of /scratch/tradke/Cactus/configs/PublicThorns/build/ 
>> CarpetLib/bbox.cc):
>>  -> Tried to create a very large bbox -- it is likely that this  
>> would lead to an integer overflow
>> The assert subroutine failed: 0, file /scratch/tradke/Cactus/ 
>> configs/PublicThorns/build/Carpet/helpers.cc, line 150


How do you run the test suite there?  In particular, what is the  
mpirun command that you use there?

-erik

-- 
Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/

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