4 ms·
Round-trip latencies for small MPI messages are typically a couple microseconds over InfiniBand, under 10 microseconds for 10G Ethernet without TCP, and a bit m
by jedbrown 16y ago
Round-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.