Eric Dumazet <[email protected]> writes: > On 04/25/2018 08:22 AM, Toke Høiland-Jørgensen wrote: >> Eric Dumazet <[email protected]> writes: > >>> What performance number do you get on a 10Gbit NIC for example ? >> >> Single-flow throughput through 2 hops on a 40Gbit connection (with CAKE >> in unlimited mode vs pfifo_fast on the router): >> >> MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to >> testbed-40g-2 () port 0 AF_INET : demo >> Recv Send Send >> Socket Socket Message Elapsed >> Size Size Size Time Throughput >> bytes bytes bytes secs. 10^6bits/sec >> >> 87380 16384 16384 10.00 18840.40 >> >> MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to >> testbed-40g-2 () port 0 AF_INET : demo >> Recv Send Send >> Socket Socket Message Elapsed >> Size Size Size Time Throughput >> bytes bytes bytes secs. 10^6bits/sec >> >> 87380 16384 16384 10.00 24804.77 > > CPU performance would be interesting here. (netperf -Cc)
$ sudo tc qdisc replace dev ens2 root cake $ netperf -cC -H 10.70.2.2 MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.70.2.2 () port 0 AF_INET : demo Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 87380 16384 16384 10.00 15450.35 13.35 6.68 0.849 0.283 $ sudo tc qdisc del dev ens2 root $ netperf -cC -H 10.70.2.2 MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.70.2.2 () port 0 AF_INET : demo Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 87380 16384 16384 10.00 36414.23 8.20 14.30 0.221 0.257 (In this test I'm running netperf on the machine that was a router before, which is why the base throughput is higher; the other machine runs out of CPU on the sender side). -Toke _______________________________________________ Cake mailing list [email protected] https://lists.bufferbloat.net/listinfo/cake
