[mesa-users] mac(+gfortran?) performance issues

[Frank Timmes]

hi aaron,

in general, for production work (mesa or otherwise) i use spotlight disabled disks
and i disable hyperthreading on those machines that allow it.

fxt



On Jun 26, 2011, at 8:44 AM, Aaron Dotter wrote:

> Hi,
> 
> I've recently gotten access to some Apple Xserves running OS X 10.6.5.  They have gfortran 4.5.2 but no ifort, and getting the latter is not an option.
> 
> When I run mesa star with OMP_NUM_THREADS=4, I get performance that varies between 100% and 150% of 1 CPU, whereas I would expect it to be above 300% most of the time (I/O is not the cause).  top tells me that Spotlight (mdworker and mds) are running pretty heavily in the background.
> 
> I'm wondering 
> (a) Have other Mac users run into performance issues with mesa star because of Spotlight and disabled it for that reason?
> (b) Any other performance issues that people might have encountered with this setup?
> 
> Thanks,
> Aaron
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