Search found 7 matches
- Thu Mar 06, 2014 1:41 pm
- Forum: ROMS Problems
- Topic: Inconsistent timestep reporting after restart under OpenMP?
- Replies: 4
- Views: 4886
Re: Inconsistent timestep reporting after restart under Open
Thank you for the info. Pity that I've switched to using shared-memory MPI for parallelism and that certainly is working....
- Sat Mar 01, 2014 8:39 pm
- Forum: ROMS Problems
- Topic: Inconsistent timestep reporting after restart under OpenMP?
- Replies: 4
- Views: 4886
Inconsistent timestep reporting after restart under OpenMP?
Am having a puzzling problem running a very simple (2-D), idealized tidal simulation on an Ubuntu box with a 6-core/12-hyperthread Intel processor. After a restart, the timestep count and the time reported on the standart output line switch erratically between the through count/time and ones from th...
- Mon Nov 27, 2006 2:54 pm
- Forum: ROMS Problems
- Topic: Time-dependent salinity boundary condition and MPI
- Replies: 5
- Views: 5900
Resolved
Forgot to mention that this problem has been resolved. It was indeed an IBM compiler issue and specifically the optimization flag (D'oh!) -O4. Downgrading to -O3 eliminated the problem.
I thank Bohyun Bahng for an alert spot on this. Mitsuhiro
I thank Bohyun Bahng for an alert spot on this. Mitsuhiro
- Thu Sep 14, 2006 6:28 pm
- Forum: ROMS Tools and Techniques
- Topic: Grid generation
- Replies: 61
- Views: 185947
- Tue Aug 15, 2006 9:33 pm
- Forum: ROMS Problems
- Topic: Time-dependent salinity boundary condition and MPI
- Replies: 5
- Views: 5900
Oh thanks! And sorry for a late reply, it's summer :wink: I was intrigued to hear that your results were dependent on domain partitioning. In our case, I tried several different domain decompositions, and results did not depend on them - the boundary value problem persisted no matter how I divided u...
- Mon Jul 24, 2006 5:30 pm
- Forum: ROMS Problems
- Topic: Time-dependent salinity boundary condition and MPI
- Replies: 5
- Views: 5900
Update - Thanks to David Darr, I had an opportunity to compile and run the setup on a Linux/Opteron cluster with a PGI compiler and LAM. The model ran without the problem mentioned. I'm suspecting this is an IBM compiler problem; next, I will try the Absoft Pro Fortran on our Apple cluster. If anyon...
- Fri Jul 14, 2006 3:18 pm
- Forum: ROMS Problems
- Topic: Time-dependent salinity boundary condition and MPI
- Replies: 5
- Views: 5900
Time-dependent salinity boundary condition and MPI
I'm running ROMS 2.1 for an embayment with time-dependent river discharge (point sources) and external salinity. Time stamps for the discharge and b.c. data coincide (monthly). When I run this setup on a cluster with MPI, the river discharge gets correctly interpolated between the past and the futur...