[mpiwg-tools] Max string lengths

[Jeff Squyres (jsquyres)]

Mmmm.  Interesting idea...


On Oct 3, 2014, at 3:55 AM, Marc-Andre Hermanns <m.a.hermanns at grs-sim.de> wrote:

> Hi all,
> 
> at the call we discussed that tools would have call the info function
> twice to make sure the name buffer is large enough to hold the full
> variable name.
> 
> Couldn't we define additional constants, such as
> MPI_T_PVAR_MAX_NAME_LEN, which indicate the maximum length a pvar name
> (in this example) can have. Then a tools can choose to pay in time (with
> two calls) or memory (with always allocating max memory) for a pvar name
> buffer.
> 
> This way we don't have to change the calls, and might mitigate the pain.
> 
> Cheers,
> Marc-Andre
> 
> PS: I would think this to be a different ticket. _Not_ 383 ... ;-)
> -- 
> Marc-Andre Hermanns
> Jülich Aachen Research Alliance,
> High Performance Computing (JARA-HPC)
> German Research School for Simulation Sciences GmbH
> 
> Schinkelstrasse 2
> 52062 Aachen
> Germany
> 
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> email: m.a.hermanns at grs-sim.de
> 
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-- 
Jeff Squyres
jsquyres at cisco.com
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