On Wed, Nov 21, 2012 at 7:15 PM, Derek Gaston <fried...@gmail.com> wrote:
>
> No distcc! I have a dual hexa-core hyperthreaded (12 "real" cores, 24
> "logical") workstation with three solid state drives in RAID0. make -j24
> is optimal (I've done the studies!). On my workstation, make install does
> not take that long ;-).
>
That's a nice system. :) If you've got a few of those boxes on a network,
you should try distcc. Roy got it up and running here and with 5 3.3 GHz
Hex core boxes, the libmesh build is down to less than 2 mins (gcc!) with
make -j 50. :)
> On our supercomputers with network filesystems that's not the case.
>
This is very true. I won't name names, but one of the supercomputing
systems we use, I just run the libmesh build script and walk away for the
night and come back in the morning. Between the filesystem and the asshats
that are inevitably running on the login nodes, it takes for freaking ever
to do a full build. Obviously, we don't do development there.
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