On Mar 16, 2010, at 9:45 AM, hu yaohui wrote:
> it just said,i had a wrong command format,when i use mpirun --help,i really
> didn't find the --mca parameter.why the tcp FAQ part list these command lines,
> but it cann't execute successfully on my machine.Is there any another way to control the specific
> btl components to be used?
Make sure you're using the right mpirun -- you might have multiple installed on your machine.
OMPI's "mpirun --help" definitely includes a description of the --mca parameter:
-mca|--mca <arg0> <arg1>
Pass context-specific MCA parameters; they are
considered global if --gmca is not used and only
one context is specified (arg0 is the parameter
name; arg1 is the parameter value)
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