Re: [OMPI users] openmpi (1.2.8 or above) and Intel composer XE 2011 (aka 12.0)

2011-05-11 Thread Marcus R. Epperson
I've seen the same thing when I build openmpi 1.4.3 with Intel 12, but only when I have -O2 or -O3 in CFLAGS. If I drop it down to -O1 then the collectives hangs go away. I don't know what, if anything, the higher optimization buys you when compiling openmpi, so I'm not sure if that's an accepta

Re: [OMPI users] openmpi (1.2.8 or above) and Intel composer XE 2011 (aka 12.0)

2011-05-24 Thread Marcus R. Epperson
dmacm", does the problem go away? No, that doesn't help with the hang I'm seeing. Though it sounds like I'm hitting a different issue than Salvatore, fwiw. -Marcus On May 11, 2011, at 6:00 PM, Marcus R. Epperson wrote: I've seen the same thing when I build openmpi

[OMPI users] orterun mangling executable's "-host" argument

2007-08-08 Thread Marcus R. Epperson
We have a code that takes "-host " as command-line arguments, and when run via orterun they are getting replaced with "-rawmap 1 ". I would have expected orterun to stop parsing its own options after seeing the executable name. Here's a simple reproducer: $ cat myprogram.sh #!/bin/bash echo "