[OMPI devel] Coll/tuned: Is coll_tuned_use_dynamic_rules MCA parameter still usefull?

2022-06-27 Thread GERMAIN, Florent via devel
Hi, I wonder if coll_tuned_use_dynamic_rules MCA parameter is still useful. Remainder of this MCA parameter behavior: Default value: false When activated, it allows the use of dynamic rules of the coll/tuned component (algorithm choice and parameters through MCA parameters). Is there any need or

Re: [OMPI devel] How to display device selection or routing info

2021-08-19 Thread GERMAIN, Florent via devel
Hello, Open MPI have given to you the only information it has: message is given to mlx4_0:1. As you are using InfiniBand network, the routing tables are handled by the ib runtime. You can gather information about ib routing through the ibroute command. I hope it will help you. Florent Germain In