[ofa-general] Limited number of multicasts groups that can be joined?

[Andrew Friedley]

Hal Rosenstock wrote:
> Thanks. I can only comment on the OpenSM configuration and in general on 
> SMs
> so I'm still not sure what limits you are hitting; it may be multiple but
> not sure. Some seemed to be end node (HCA) related based on a previous
> email.

Thanks for you help.  Yes I'm thinking the same thing, though what I'm 
seeing seemingly contradicts the limits that I'm told are in place (and 
have now been changed post-v1.2).

>> Is the algorithm for recalculating the tree documented at all?  Or,
>> where is the code for it (assuming I have access)?  I feel like I'm
>> missing something here that explains why it's so costly.
> 
> 
> I'm afraid it is just the code AFAIK :-(

OK, do you know where it is in the OpenSM code base?

Andrew