I don't know about RoCE but here is plain 10G ICMP ECHO round trip: # ping n0030 PING n0030.localdomain (192.168.0.204) 56(84) bytes of data. 64 bytes from n0030.localdomain (192.168.0.204): icmp_seq=1 ttl=64 time=0.141 ms 64 bytes from n0030.localdomain (192.168.0.204): icmp_seq=2 ttl=64 time=0.139 ms 64 bytes from n0030.localdomain (192.168.0.204): icmp_seq=3 ttl=64 time=0.117 ms 64 bytes from n0030.localdomain (192.168.0.204): icmp_seq=4 ttl=64 time=0.115 ms 64 bytes from n0030.localdomain (192.168.0.204): icmp_seq=5 ttl=64 time=0.115 ms 64 bytes from n0030.localdomain (192.168.0.204): icmp_seq=6 ttl=64 time=0.107 ms 64 bytes from n0030.localdomain (192.168.0.204): icmp_seq=7 ttl=64 time=0.142 ms ^C --- n0030.localdomain ping statistics --- 7 packets transmitted, 7 received, 0% packet loss, time 6000ms rtt min/avg/max/mdev = 0.107/0.125/0.142/0.015 ms
YMMV On Thu, Sep 21, 2017 at 9:10 AM Jon Tegner <teg...@renget.se> wrote: > What kind of latency can one expect using RoCE/10G? > > On 09/21/2017 05:28 PM, Douglas Eadline wrote: > > I think the main reason it stopped was that IB is the > > choice of most clusters and most 10G nics provide > > low latency with default tcp/ip (less than 10us in most cases). > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf >
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