In addition, it would be really, really nice if someone would consolidate the
watching of these devices into other mechanisms.
The idea here is that the error can be noticed asynchronously, so it can't be
part of the main libevent fd-watching (which is only checked once in a while).
The async
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
