Date: Fri, 22 Dec 2023 08:23:24 -0600 From: Mike Karels <mike@karels.net> To: Steve Bernacki <steve@copacetic.net> Cc: freebsd-arm@FreeBSD.org Subject: Re: FreeBSD 14.0-RELEASE and Raspberry Pi CM4 4GB Message-ID: <F037F5CF-07D7-499B-AA36-274EEADC34D0@karels.net> In-Reply-To: <445940f7-e8f1-4dbc-87be-99bfd705141d@copacetic.net> References: <445940f7-e8f1-4dbc-87be-99bfd705141d@copacetic.net>
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On 22 Dec 2023, at 6:20, Steve Bernacki wrote: > I recently purchased a RPI CM4 with 4GB and 32GB eMMC to replace my agi= ng FreeBSD firewall. I managed to install FreeBSD 14.0-RELEASE-p3 on it, = and both Ethernet devices (genet0 and ue0) were properly identified. Howe= ver, network throughput on my gigabit network is pretty bad; iperf3 repor= ts a maximum transfer speed of 291 Mbits/sec. Flashing OpenWRT on the sam= e hardware using the same ethernet port, I'm able to achieve 923 Mbits/se= c. > > Does anyone have any suggestions on how to improve throughput under Fre= eBSD? > > Thank you > Steve I just tested with an RPi4 (4 GB) and 14.0 using iperf3. It looks like I= 'm getting a rather variable number of retransmissions. On my first run (client on = RPi 4), I got 460 Mb/s with a lot of retransmissions, but the next couple of runs= , including one receiving, I got about 940 Mb even with some retransmissions. The pe= ers were fairly fast FreeBSD 13.2 and 15-current systems. Are you seeing retransm= issions? I'll try to look into this, but I'm not sure when I'll get to it. Mike
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