4 ms·
microseconds. internal messaging latency is measured in microseconds order acknowledgement/cancel/fulfillment is measured in microseconds to low milliseconds.
by oogali 16y ago
microseconds.
internal messaging latency is measured in microseconds
order acknowledgement/cancel/fulfillment is measured in microseconds to low milliseconds.
- moe 16y agoLet me be the first to say that this is pretty damn fast. For reference, try to ping a remote host in your LAN. You'll see about the same roundtrip time (~150 microseconds) and that's without a payload to speak of and without any processing going on.
- jedbrown 16y agoRound-trip latencies for small MPI messages are typically a couple microseconds over InfiniBand, under 10 microseconds for 10G Ethernet without TCP, and a bit more when going through TCP.