[Users] update new user guide for non-TeraGrid/XSEDE users?

[Erik Schnetter]

On Wed, Aug 24, 2011 at 3:36 AM, Ian Hinder <ian.hinder at aei.mpg.de> wrote:
>
> On 23 Aug 2011, at 21:29, Erik Schnetter wrote:
>
>> Brian
>>
>> Cactus uses certain software packages (C compiler, Fortran compiler,
>> MPI, queuing system) which differ on basically every HPC system.
>> Instructions for building Cactus are therefore either targeted to a
>> specific system, or have to say "please read the system's
>> documentation to figure out these things". There is nothing in
>> particular that makes our instructions target TeraGrid systems; in
>> fact, we are targeting LONI systems, which are not part of XSEDE.
>>
>> If you follow the instructions at
>> <https://docs.einsteintoolkit.org/et-docs/Tutorial_for_New_Users>,
>> then these should work almost as is on Hopper. The are two
>> differences:
>> 1. You have to leave out the "soft add +git" since git is available by default.
>> 2. Since Hopper has 24 cores per node, you need to use a multiple of
>> 24 cores when submitting a job. Use "--procs=48" instead of
>> "--procs=32". You can also add "--num-threads=6" if you want to use
>> OpenMP as well (which should work out of the box).
>
> Should we have a section in the tutorial with information like this for each of the machines we know how to use?

Should we change SimFactory to do this automatically (as default) when
OpenMP is enabled?

-erik

-- 
Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/