Re: PC Engines apu4 network performance
On Wed, Sep 8, 2021 at 6:54 PM Paulo Manoel Mafra wrote: > > Hello guys, > I've configured a pc engines apu4 with openbsd 6.9 and I verified the > network performance is around 550 mbit/s with pf and 700 mbit/s without. > > Is there any known issue for that poor performance ? > Running another OS on the same hardware I can reach some like 920 mbit/s. > > I've googled for this problem and it appears some messages from 2018. I did some performance investigations and posted my results to the list a few months ago: https://marc.info/?l=openbsd-misc=162400670127742 Basically the speed depends on the mood of the scheduler, but I got zero replies so that's still just a guess. It seems like it can use all the cores, just prefers not to, and then the performance tanks.
Re: PC Engines apu4 network performance
On 2021-09-08, Paulo Manoel Mafra wrote: > Hello guys, > I've configured a pc engines apu4 with openbsd 6.9 and I verified the > network performance is around 550 mbit/s with pf and 700 mbit/s without. > > Is there any known issue for that poor performance ? > Running another OS on the same hardware I can reach some like 920 mbit/s. > > I've googled for this problem and it appears some messages from 2018. Sounds about right for OpenBSD on that hardware. -- Please keep replies on the mailing list.
PC Engines apu4 network performance
Hello guys, I've configured a pc engines apu4 with openbsd 6.9 and I verified the network performance is around 550 mbit/s with pf and 700 mbit/s without. Is there any known issue for that poor performance ? Running another OS on the same hardware I can reach some like 920 mbit/s. I've googled for this problem and it appears some messages from 2018. Kind Regards, Paulo.
Re: PC Engines apu4 network performance
Paolo, Your results match mine. I was never able to get my apu4 past about 600 Mb/s. I installed pfsense on my apu4 and was able to get speeds closer to 1 Gb/s so there does appear to be some bottleneck in openbsd which holds the hardware back. If I recall correctly the i210at hardware checksum offloading was not enabled in openbsd due to a hardware quirk/bug. It looks like the i210at still doesn’t do hardware checksums: https://github.com/openbsd/src/blob/2207c4325726fdc5c4bcd0011af0fdf7d3dab137/sys/dev/pci/if_em.c#L1209 I didn’t profile the system so the lack of hardware checksums may not be the bottleneck. Elias On Wed, Sep 8, 2021 at 9:52 AM Paulo Manoel Mafra wrote: > Hello guys, > I've configured a pc engines apu4 with openbsd 6.9 and I verified the > network performance is around 550 mbit/s with pf and 700 mbit/s without. > > Is there any known issue for that poor performance ? > Running another OS on the same hardware I can reach some like 920 mbit/s. > > I've googled for this problem and it appears some messages from 2018. > > Kind Regards, > Paulo. > >
