Re: [OMPI users] cleaning up old ROMIO (MPI-IO) drivers

2016-02-12 Thread Rob Latham
On 01/21/2016 05:59 AM, Dave Love wrote: :-), but what about plfs, which seems a notable omission? The patches in the plfs distribution don't apply to recent adio, at least the version in ompi 1.8 as far as I remember. I wonder if there's any chance of fixing that and including it, assuming

Re: [OMPI users] PVFS/OrangeFS (was: cleaning up old ROMIO (MPI-IO) drivers)

2016-02-12 Thread Rob Latham
On 01/26/2016 09:32 AM, Dave Love wrote: Rob Latham writes: We didn't need to deploy PLFS at Argonne: GPFS handled writing N-to-1 files just fine (once you line up the block sizes), so I'm beholden to PLFS communities for ROMIO support. I guess GPFS has improved in that respect, as I think

Re: [OMPI users] How to map to sockets with 1 per core, but bind to a single hwthread

2016-02-12 Thread Stephen Guzik
We've also tested lama with -np 10 --mca rmaps_base_verbose 10 --mca rmaps_lama_priority 91 --mca rmaps_lama_map sNbnch --mca rmaps_lama_bind 1h --mca rmaps_lama_mppr 1:c,5:s It seems like this would do the right thing except a priority < 10 does nothing and greater than 10 segfaults. Is lama st

Re: [OMPI users] How to map to sockets with 1 per core, but bind to a single hwthread

2016-02-12 Thread Ralph Castain
Sadly, lama has fallen into a stale, unsupported condition. I’ve been thinking about your mapping request, and I don’t currently see a way to do it with the existing options. I understand the request, however, and will see if I can come up with something over the weekend. > On Feb 12, 2016, at