Closed kosekmi closed 4 years ago
I messed up the history - please ignore commits from 10th of May which have already been merged in https://github.com/rbruenig/qperf/pull/3 and https://github.com/rbruenig/qperf/pull/4
Thanks for the PR, will do a full review on the weekend. I already added one small remark
Thanks for the review, I addressed the issues and/or added comments.
Add support for UDP generic segmentation offload, which was added to quicly in 03/2020: https://github.com/h2o/quicly/pull/293
GSO is enabled by
-g
cli option and requires linux kernel >= 4.18.Perf eval shows less cpu cylces spent in
sendmsg
while using GSO (~70% to ~48%). Running on a loopback interface, transfer rates increase from ~3gbps to ~5gbps.Emulating a 1gbps link between docker containers, measurements without GSO show CPU utilization ~100% and goodput topping at ~810mbps. Enabling GSO, CPU utilization drops to ~66%, goodput increases to ~920mbps.