[Nek5000-users] MPI_TAG_UB

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Thu Aug 18 07:55:58 CDT 2016


Basically, the MPI library that we are testing sets MPI_TAG_UB=65534,
which is quite low to be used with higher numbers of lp.



On 18/08/16 19:33, nek5000-users at lists.mcs.anl.gov wrote:
> To answer your question I need to know why you want to comment this check?
> 
> 
> Am 8/18/16, 7:02 AM schrieb "nek5000-users-bounces at lists.mcs.anl.gov on
> behalf of nek5000-users at lists.mcs.anl.gov" unter
> <nek5000-users-bounces at lists.mcs.anl.gov on behalf of
> nek5000-users at lists.mcs.anl.gov>:
> 
>> Hi Neks,
>>
>> I was wondering if someone could tell me the implications of commenting
>> this section of code out in Nekbone:
>>
>> if (nval.lt.(10000+max(lp,lelg))) then
>>         if(nid.eq.0) then
>>            write(6,*) 'ABORT: MPI_TAG_UB too small!'
>> 	endif
>> 	call exitt
>> endif
>>
>> We are testing Nekbone with an experimental MPI library.
>>
>> Regards,
>> Ken
>>
>> The University of Edinburgh is a charitable body, registered in
>> Scotland, with registration number SC005336.
>> _______________________________________________
>> Nek5000-users mailing list
>> Nek5000-users at lists.mcs.anl.gov
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> 
> 
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