Charm++ parallel programming system

["Bennion, Brian" <Bennion1 AT llnl.gov>]

So far only the vanilla mpi-linux-x86_64 version of charm++ will compile and 
pass any tests.

The mpi smp will compile but segfaults when using simplearrayhello.
While the ./build tool recognizes the ibverbs option, there is no directory 
for it in the arch/ directory in the charm6.2.1 tarball that I am using.
Brian



-----Original Message-----
From: 
bhatele AT gmail.com
 
[mailto:bhatele AT gmail.com]
 On Behalf Of Abhinav Bhatele
Sent: Monday, August 29, 2011 12:01 PM
To: Bennion, Brian
Cc: 
charm AT cs.uiuc.edu
Subject: Re: [ppl] [charm] Appropriate build type for LLNL linux clusters

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