Re: [OMPI devel] TIPC BTL code ready for review

2011-09-01 Thread Jeff Squyres
On Sep 1, 2011, at 7:05 AM, Xin He wrote: > And get the result as in appendix. It seems that TCP has better performances > with smaller message while TIPC with larger message. Interesting. Any idea why? From the TIPC paper you sent, one of TIPC's strengths was that it was supposed to be faste

Re: [OMPI devel] TIPC BTL code ready for review

2011-09-01 Thread Xin He
hi, I found the reason. It is because besides the direct links between 2 PCs, there is another link going through many switches and TCP BTL seems to use this slower link. So I run again with eth0 only. So I build ompi with: ./configure --disable-mpi-f90 --disable-mpi-f77 --disable-mpi-cxx --di

Re: [OMPI devel] OMPI_MCA_opal_set_max_sys_limits

2011-09-01 Thread Ralph Castain
On Sep 1, 2011, at 12:52 AM, Eugene Loh wrote: > On 8/31/2011 4:48 AM, Ralph Castain wrote: >> Perhaps it would help if you had clearly stated your concern. > Yeah. It would have helped had I clearly understood what was going on. Most > of all, that way I wouldn't have had to ask any questions

Re: [OMPI devel] OMPI_MCA_opal_set_max_sys_limits

2011-09-01 Thread Eugene Loh
On 8/31/2011 4:48 AM, Ralph Castain wrote: Perhaps it would help if you had clearly stated your concern. Yeah. It would have helped had I clearly understood what was going on. Most of all, that way I wouldn't have had to ask any questions! :^) From this description, I gather your concern is