Parallel ISCreateGeneral()
Tim Stitt
timothy.stitt at ichec.ie
Sun Nov 18 11:34:32 CST 2007
OK..so I should be using the aggregate length returned by
MatGetOwnershipRange() routine?
Thanks Matt for you help.
Matthew Knepley wrote:
> IS are not really parallel, so all the lengths, etc. only refer to local things.
>
> Matt
>
> On Nov 18, 2007 11:22 AM, Tim Stitt <timothy.stitt at ichec.ie> wrote:
>
>> Hi all,
>>
>> Just wanted to know if the "the length of the index set" for a call to
>> ISCreateGeneral() in a parallel code, is a global length, or the length
>> of the local elements on each process?
>>
>> Thanks,
>>
>> Tim.
>>
>> --
>> Dr. Timothy Stitt <timothy_dot_stitt_at_ichec.ie>
>> HPC Application Consultant - ICHEC (www.ichec.ie)
>>
>> Dublin Institute for Advanced Studies
>> 5 Merrion Square - Dublin 2 - Ireland
>>
>> +353-1-6621333 (tel) / +353-1-6621477 (fax)
>>
>>
>>
>
>
>
>
--
Dr. Timothy Stitt <timothy_dot_stitt_at_ichec.ie>
HPC Application Consultant - ICHEC (www.ichec.ie)
Dublin Institute for Advanced Studies
5 Merrion Square - Dublin 2 - Ireland
+353-1-6621333 (tel) / +353-1-6621477 (fax)
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