The higher number seems to be from the netperf benchmark. See https://www.phoronix.com/scan.php?page=article&item=raspberrypi-3-bplus&num=3
> On Apr 5, 2018, at 10:02 AM, Steve Simon <st...@quintile.net> wrote: > > > hi, > > great work richard, i hope to try this soon. the network performance is the > biggest draw for me. > > do you any feeling why plan9 sees only 200Mbps ether? > > is it the stack design, how plan9 accesses the hardware? or maybe the 300Mbps > quoted is only when using jumbo frames? > > -Steve > > > On 5 Apr 2018, at 16:03, Richard Miller <9f...@hamnavoe.com> wrote: > >>> Running Linux, 3B+ seems perceptibly faster than 3B. >> >> 1400Mhz vs 1200Mhz might be perceptible, and the improved >> heat management will help if your CPU frequency was being >> temperature-throttled. >> >> Ethernet bandwidth for the 3B+ on linux is claimed to be >> about 300Mbit/s. With Plan 9, I'm seeing a limit of >> just over 200Mbit/s. Not gigabit, but still it's a 2x >> improvement over earlier models. >> >> Note: you need to use Cat 6 cable to get more than 100MB/s >> speed. I discovered this the hard way. The orange LED >> on the RJ45 socket goes on if the link is in gigabit mode. >> > >
