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Wed, 23 Jun 2021 04:56:12 +0000 Received: by kubenode500.mail-prod1.omega.gq1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID f224bf4b3255ad7e939c0ce8ed620e0a; Wed, 23 Jun 2021 04:56:08 +0000 (UTC) Content-Type: text/plain; charset=us-ascii List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) Subject: Re: Raspberry Pi 3B+ and pitiful network speeds In-Reply-To: <1f13faa0-3f87-f3d2-0289-9579f33df8d0@gmail.com> Date: Tue, 22 Jun 2021 21:56:08 -0700 Cc: Ronald Klop , freebsd-arm@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <38222A46-5FCC-4E74-BC7F-21C4D2FB2DDF@yahoo.com> References: <20210620144513.1f91a68f@basepc> <169baf0b-3f3c-f1dc-4a6f-b8a0ef863f51@denninger.net> <20210620154105.0c83bbcc@basepc> <20210620222922.51da1818@basepc> <3fa3f2a6-8560-f413-b2eb-5c172ce025eb@gmail.com> <6B4F2FB6-ABA1-4CFA-BE2A-6A466C30FF02@yahoo.com> <20210621111301.75fa1c7a@basepc> <1880280342.34.1624368348439@localhost> <1f13faa0-3f87-f3d2-0289-9579f33df8d0@gmail.com> To: MJ X-Mailer: Apple Mail (2.3654.100.0.2.22) X-Rspamd-Queue-Id: 4G8rZQ6nC1z3Flp X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Reply-To: marklmi@yahoo.com From: Mark Millard via freebsd-arm X-Original-From: Mark Millard X-ThisMailContainsUnwantedMimeParts: N On 2021-Jun-22, at 19:18, MJ wrote: > On 22/06/2021 11:25 pm, Ronald Klop wrote: >> <...> >=20 >>=20 >> Hi, >>=20 >> Just another data point for the investigation. >>=20 >> RPI3B+ FreeBSD 13.0-RELEASE-p1 #0: Wed May 26 22:19:21 UTC 2021 = GENERIC >> ue0: flags=3D8943 = metric 0 mtu 1500 >> options=3D80009 >> ether b8:27:xx:xx:xx:xx >> inet 192.168.1.148 netmask 0xffffff00 broadcast 192.168.1.255 >> media: Ethernet autoselect (1000baseT ) >> status: active >> nd6 options=3D29 >>=20 >>=20 >> RPI4 FreeBSD 14.0-CURRENT #7 main-62ffcaab8: Tue Mar 23 17:26:53 CET = 2021 GENERIC-NODEBUG >> genet0: flags=3D8943 = metric 0 mtu 1500 >> options=3D280009 >> ether dc:a6:xx:xx:xx:xx >> inet 192.168.1.127 netmask 0xffffff00 broadcast 192.168.1.255 >> media: Ethernet autoselect (1000baseT ) >> status: active >> nd6 options=3D29 >>=20 >>=20 >> These two are next to each other connected by a 1gbit switch. >>=20 >>=20 >> [root@rpi3 ~]# iperf -c rpi4 -w 2m -t 30s -i 1 >> ------------------------------------------------------------ >> Client connecting to rpi4, TCP port 5001 >> TCP window size: 32.8 KByte (WARNING: requested 1.91 MByte) >> ------------------------------------------------------------ >> [ 1] local 192.168.1.148 port 21246 connected with 192.168.1.127 = port 5001 >> [ ID] Interval Transfer Bandwidth >> [ 1] 0.00-1.00 sec 12.6 MBytes 106 Mbits/sec >> [ 1] 1.00-2.00 sec 13.6 MBytes 114 Mbits/sec >> [ 1] 2.00-3.00 sec 13.5 MBytes 113 Mbits/sec >> [ 1] 3.00-4.00 sec 13.6 MBytes 114 Mbits/sec >> [ 1] 4.00-5.00 sec 13.5 MBytes 113 Mbits/sec >> [ 1] 5.00-6.00 sec 13.6 MBytes 114 Mbits/sec >> [ 1] 6.00-7.00 sec 13.6 MBytes 114 Mbits/sec >> [ 1] 7.00-8.00 sec 13.6 MBytes 114 Mbits/sec >> [ 1] 8.00-9.00 sec 13.2 MBytes 111 Mbits/sec >> [ 1] 9.00-10.00 sec 13.5 MBytes 113 Mbits/sec >>=20 >>=20 >> [root@rpi4 ~]# iperf -c rpi3 -w 2m -t 30s -i 1 >> ------------------------------------------------------------ >> Client connecting to rpi3, TCP port 5001 >> TCP window size: 32.8 KByte (WARNING: requested 1.91 MByte) >> ------------------------------------------------------------ >> [ 1] local 192.168.1.127 port 24993 connected with 192.168.1.148 = port 5001 >> [ ID] Interval Transfer Bandwidth >> [ 1] 0.00-1.00 sec 15.6 MBytes 131 Mbits/sec >> [ 1] 1.00-2.00 sec 16.8 MBytes 141 Mbits/sec >> [ 1] 2.00-3.00 sec 16.6 MBytes 139 Mbits/sec >> [ 1] 3.00-4.00 sec 16.8 MBytes 141 Mbits/sec >> [ 1] 4.00-5.00 sec 16.5 MBytes 138 Mbits/sec >> [ 1] 5.00-6.00 sec 16.8 MBytes 141 Mbits/sec >> [ 1] 6.00-7.00 sec 16.4 MBytes 137 Mbits/sec >> [ 1] 7.00-8.00 sec 16.5 MBytes 138 Mbits/sec >> [ 1] 8.00-9.00 sec 16.6 MBytes 139 Mbits/sec >> [ 1] 9.00-10.00 sec 14.6 MBytes 123 Mbits/sec >>=20 >>=20 >> Regards, >> Ronald. >>=20 > These are very poor for the RPI4, are they not? Is it not fully = 1000Mbit? In both of the above tests, the RPi3B+ is either the sender or the receiver: always involved. That likely bottlenecks the RPi4B. For reference: QUOTE from "man iperf3" Normally, the test data is sent from the client to the server, and measures the upload speed of the client. Measuring the download = speed from the server can be done by specifying the -R flag on the = client. END QUOTE I'll note that the -w 2m was ineffective: 32.8KByte was used. > Your RPI3B results are a little better than mine. They are still not = very impressive though. In essence the tests confirm the trend of your results --but from a different context. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)