Charm++ parallel programming system

[Abhinav Bhatele <bhatele AT illinoisalumni.org>]

Hi Brian,

You can try a couple different charm builds and then benchmark NAMD to see which one gives you the best performance:

./build charm++ mpi-linux-x86_64 --with-production
./build charm++ mpi-linux-x86_64 smp --with-production

./build charm++ net-linux-x86_64 ibverbs --with-production
./build charm++ net-linux-x86_64 ibverbs smp --with-production

The smp builds of Charm/NAMD require slightly different runtime options than the regular builds. Please e-mail us if you have any problems.

- Abhinav

On Mon, Aug 29, 2011 at 11:10 AM, Bennion, Brian <Bennion1 AT llnl.gov> wrote:

Hello,

I would like to build the proper version of charm++ for our linux clusters in order to use NAMD2.8

Based on the specs listed on this website, which build parameters would give me the best charm++ performance

https://computing.llnl.gov/?set=resources&page=OCF_resources#sierra

In the past, i have built namd/charm++ but the nodes then had only a handful of cpus, now they are a bit more complicated.

Any suggestions would be helpful.


brian bennion

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-- 
Abhinav Bhatele
Postdoctoral Research Staff Member
Center for Applied Scientific Computing
Lawrence Livermore National Laboratory