On 22 December 2010 19:57, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
> On Dec 22, 2010, at 4:51 PM, Lisandro Dalcin wrote:
>
>> On 21 December 2010 20:50, Sean Farley <sean at mcs.anl.gov> wrote:
>>>>> ? ? fixing/understanding 64-bit checks,
>>>>
>>>> I think these checks are ok, please report problems.
>>>
>>> Would it be possible to get ParMetis working with 64bit indices?
>>> Sean
>>
>> This is from parmetis.h
>>
>> /* Indexes are as long as integers for now */
>> #ifdef IDXTYPE_INT
>> typedef int idxtype;
>> #else
>> typedef short idxtype;
>> #endif
>>
>> Have any of you seriously tryied parmetis in 64 bits?
>
> ?Yes, when I noticed that block of code several years ago. Looks like it 
> would be easy to switch to long int but sadly this include is misleading 
> about the simplicity, turns out this typedef beasty is not used throughout 
> the source code consistently.

Damn,

> I sent email about the 64 bit int at that time and got back the response "in 
> a few months". Note that his non-MPI codes may fully support the 64 bit (I'm 
> guessing that is where the $ is so is all he cares about). That was like two 
> years ago. ?I consider Parmetis orphaned, not maintained, hence in the HPC 
> world, dead.
>

Add to that license issues. A fork in order to maintain and improve it
is unlikely.



-- 
Lisandro Dalcin
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