ParMetis Dead-lock under MPICH 1.2.5
I sometimes see dead-lock in parMetis using MPICH 1.2.5. I wondered if anyone else has experienced this..?
I can't seem to get consistent failures so it's difficult to track down. From what I see parMetis
"exchanges" information between processes which share a decomposed graph boundary. These exchanges are of the form:
for number of neighbours
post asynchronous recvs
fill send buffers
for number of neighbours
post asychronous sends
wait for sends/recvs to complete
In theory this should be dead-lock free so I suspect the issue is with MPICH and not parMetis.
Submitted by Anonymous on Tue, 2006-03-21 14:04
»
- Login to post comments