The async thread is used to handle asynchronous error/notification events, like
port up/down, hca errors etc.
So most of the time the thread sleeps, and in healthy network you not supposed
to see any events.
Regards,
Pasha
On Dec 23, 2010, at 12:49 AM, Eugene Loh wrote:
> I'm starting to loo
I'm starting to look at the openib BTL for the first time and am
puzzled. In btl_openib_async.c, it looks like an asynchronous thread is
started. During MPI_Init(), the main thread sends the async thread a
file descriptor for each IB interface to be polled. In MPI_Finalize(),
the main thread