Hi Hugo,
I am using gfortran in both machines, same flags.
Thanks,
Antonio
Search found 4 matches
- Fri Apr 12, 2013 12:02 am
- Forum: ROMS Problems
- Topic: Slow performance on SGI with Opterons
- Replies: 6
- Views: 9014
- Wed Apr 10, 2013 5:51 pm
- Forum: ROMS Problems
- Topic: Slow performance on SGI with Opterons
- Replies: 6
- Views: 9014
Re: Slow performance on SGI with Opterons
First thing I would check is that your process (oceanS) is not constantly switching cores on your machine. I don't know a good way to do this with oceanS but I would suggest compiling with Open MPI then run with one processor and enable the --bind-to-core (or equivalent memory affinity option for ...
- Wed Apr 10, 2013 5:21 pm
- Forum: ROMS Problems
- Topic: Slow performance on SGI with Opterons
- Replies: 6
- Views: 9014
Re: Slow performance on SGI with Opterons
Dear Shchepet,
This is the default upwelling example that comes with ROMS. I have just compiled and run it, in both machines. It is just a benchmark test.
Thanks for your comment.
Best,
Antonio
This is the default upwelling example that comes with ROMS. I have just compiled and run it, in both machines. It is just a benchmark test.
Thanks for your comment.
Best,
Antonio
- Thu Apr 04, 2013 4:00 pm
- Forum: ROMS Problems
- Topic: Slow performance on SGI with Opterons
- Replies: 6
- Views: 9014
Slow performance on SGI with Opterons
I have been struggling with a benchmark problem with ROMS and maybe you can bring a different insight to this issue. I bought a SGI server to run ROMS in a modeling project. The server has four opteron processors with 16 core in each processor (2GHz) and has 256GB of RAM memory. I have complied and ...