Re: [OMPI users] dynamic rules

2010-01-20 Thread Daniel Spångberg
Den 2010-01-16 16:31:24 skrev Roman Martonak : Terribly sorry, I should checked my own notes thoroughly before giving others advice. One needs to give the dynamic rules file location on the command line: mpirun -mca coll_tuned_use_dynamic_rules 1 -mca coll_tuned_dynamic_rules_filename /home

Re: [OMPI users] dynamic rules

2010-01-16 Thread Roman Martonak
>Terribly sorry, I should checked my own notes thoroughly before giving >others advice. One needs to give the dynamic rules file location on the >command line: > >mpirun -mca coll_tuned_use_dynamic_rules 1 -mca >coll_tuned_dynamic_rules_filename /home/.openmpi/dynamic_rules_file > >That works f

Re: [OMPI users] dynamic rules

2010-01-15 Thread Daniel Spångberg
I tried this and it still crashes with openmpi-1.4. Is it supposed to work with openmpi-1.4 or do I need to compile openmpi-1.4.1 ? Terribly sorry, I should checked my own notes thoroughly before giving others advice. One needs to give the dynamic rules file location on the command line:

Re: [OMPI users] dynamic rules

2010-01-15 Thread Roman Martonak
>I have done this according to suggestion on this list, until a fix comes >that makes it possible to change via command line: > >To choose bruck for all message sizes / mpi sizes with openmpi-1.4 > >File $HOME/.openmpi/mca-params.conf (replace /homeX) so it points to >the correct file: >coll_tu

Re: [OMPI users] dynamic rules

2010-01-15 Thread Daniel Spångberg
I have done this according to suggestion on this list, until a fix comes that makes it possible to change via command line: To choose bruck for all message sizes / mpi sizes with openmpi-1.4 File $HOME/.openmpi/mca-params.conf (replace /homeX) so it points to the correct file: coll_tune

[OMPI users] dynamic rules

2010-01-15 Thread Roman Martonak
On my machine I need to use dynamic rules to enforce the bruck or pairwise algorithm for alltoall, since unfortunately the default basic linear algorithm performs quite poorly on my Infiniband network. Few months ago I noticed that in case of VASP, however, the use of dynamic rules via --mca coll_t