[mvapich-discuss] What's the equivalent option to "--mca btl" of openmpi

[Jianyu Liu]

Dear Sir/Madam,
 
I'd like to set certain run-time characteristics of MPI  communications.  
 
What's the equivalent options of MVAPICH2  to these "--mca btl" options of OpenMPI? 
 
#  Specify to use the TCP network for MPI messages
1 ) mpirun  --mca btl tcp,self ...
 
#  Top explicitly disable the OpenFabrics network
2) mpirun --mca btl ^openib  ...
 
#  Optimizing Failover Timing
3)  mpirun --mca btl_openib_ib_min_rnr_timer 25  btl_openib_ib_timeout 20 ...
 
 
Thanks for your time
 
Regards
 
Jianyu
 		 	   		  
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