Patrick Geoffray wrote: > I would bet that UPC could more efficiently leverage a strided or vector > communication primitive instead of message aggregation. I don't know if > GasNet provides one, I know ARMCI does.
GasNet does however get extra credit for having a asynchronous collective, namely barrier. Unfortunately when you read the spec it's actually a special case asynchronous reduce which is almost impossible to optimise anything like as well as barrier which is a shame. Ashley, _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf