OpenMPI on SL

[Ryan Schmidt]

On Sep 18, 2009, at 09:28, Nils wrote:

>>> - When port builds the packages (eg after typing port install blah)
>>>  does it use all available cores for compiling
>> Yes, it does.
>>> and if not, where can I configure that?
>>
>> build_make_jobs in macports.conf. "0" means as many cores as are  
>> available,
>> though the number is reduced if you have less RAM. Individual ports  
>> might
>> disable parallel building if they are known to be incompatible with  
>> it.
>
> It was commented out, so I set it to 3 (on a MB Pro with 4 GB RAM)
>
> buildmakejobs           3

FYI, when it is commented out, the default is "0".