Huh - well, the man page is definitely wrong. We ignore all other app information on the command line, but not the MCA parameters.

On Mar 13, 2014, at 6:27 AM, Jianyu Liu <> wrote:

The man page said all other command line options will be ignored if --appfile used. 
So just wondering 
1.  how to specify  "--mca btl ^sm " option while launching MPMD applications with --appfile? 
2. how to know the option "--mca btl ^sm "  worked?
Appreciating your kindly help
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