For my needs (very simple testing) yes. We had to do that because iperf3 doesn't multi-thread like iperf 2 did, unfortunately.
On Thu, May 30, 2019 at 1:37 PM Bob McMahon <bob.mcma...@broadcom.com> wrote: > > Is it just multiple threads? It might be interesting to try iperf 2.0.13 and > the -P 8 option. > > Bob > > On Thu, May 30, 2019 at 10:04 AM Jeffrey Lane <j...@canonical.com> wrote: >> >> I've been working on this a bit and the only way to get it was to run >> multiple iperf3 threads. To do this, you have to set up several (we do >> about 8 threads for 100Gb, possibly 10) on the target (listening to >> different ports) and then run to client instances (one for each port), >> then aggregate the results for each, and that nets in the 92-97Gb/s >> range overall. >> >> Additionally, in some cases tweaks are necessary (jumbo frames, some >> kernel tweaks, driver tweaks, etc) but that's all case-by-case. >> >> And it is very much constrained by CPU and PCIe bandwidth. >> >> >> On Thu, May 30, 2019 at 12:38 PM Chris Preimesberger <ccpi...@gmail.com> >> wrote: >> > >> > I tried and got up to 87Gbps throughput. The results were CPU bound. I >> > want to build new i7 9900K PCs and re-test. Here's a video of my attempt: >> > >> > https://youtu.be/uh2zvaaH0hc >> > >> > >> > >> > On Thu, May 30, 2019, 3:08 AM Ashwajit Bhoutkar <bhout...@gmail.com> wrote: >> >> >> >> Hi, >> >> >> >> Just wanted to check whether it is possible to test the throughput of >> >> 100G link using iPerf. >> >> >> >> >> >> Thank You, >> >> >> >> Kind Regards, >> >> Ashwajit >> >> _______________________________________________ >> >> Iperf-users mailing list >> >> Iperf-users@lists.sourceforge.net >> >> https://lists.sourceforge.net/lists/listinfo/iperf-users >> > >> > _______________________________________________ >> > Iperf-users mailing list >> > Iperf-users@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/iperf-users >> >> >> >> -- >> Jeff Lane >> Engineering Manager >> IHV/OEM Alliances and Server Certification >> >> "Entropy isn't what it used to be." >> >> >> _______________________________________________ >> Iperf-users mailing list >> Iperf-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/iperf-users -- Jeff Lane Engineering Manager IHV/OEM Alliances and Server Certification "Entropy isn't what it used to be." _______________________________________________ Iperf-users mailing list Iperf-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/iperf-users
