Hi. On pátek 16. února 2018 18:56:12 CET Holger Hoffstätte wrote: > There is simply no reason why you shouldn't get approx. line rate > (~920+-ish) Mbit over wired 1GBit Ethernet; even my broken 10-year old > Core2Duo laptop can do that. Can you boot with spectre_v2=off and try "the > simplest case" with the defaults cubic/pfifo_fast? spectre_v2 has terrible > performance impact esp. on small/older processors.
Just have tried. No visible difference. > When I last benchmarked full PREEMPT with 4.9.x it was similarly bad and > also had a noticeable network throughput impact even on my i7. > > Also congratulations for being the only other person I know who ever tried > YeAH. :-) Well, according to the git log on tcp_yeah.c and Reported-by tag, I was not the only one there ;). Regards, Oleksandr
