Date: Sun, 20 Jun 2021 20:04:02 -0700 From: Mark Millard via freebsd-arm <freebsd-arm@freebsd.org> To: MJ <mafsys1234@gmail.com> Cc: freebsd-arm@freebsd.org Subject: Re: Raspberry Pi 3B and pitiful network speeds Message-ID: <6B4F2FB6-ABA1-4CFA-BE2A-6A466C30FF02@yahoo.com> In-Reply-To: <3fa3f2a6-8560-f413-b2eb-5c172ce025eb@gmail.com> References: <fcd91ac5-c807-3409-d1b6-a41ba6fdc362@gmail.com> <20210620144513.1f91a68f@basepc> <169baf0b-3f3c-f1dc-4a6f-b8a0ef863f51@denninger.net> <20210620154105.0c83bbcc@basepc> <20210620222922.51da1818@basepc> <3fa3f2a6-8560-f413-b2eb-5c172ce025eb@gmail.com>
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On 2021-Jun-20, at 19:16, MJ <mafsys1234 at gmail.com> wrote: > On 21/06/2021 7:29 am, Denis Ovsienko wrote: >> . . . >> As a separate note, in my setup ifconfig tells "100baseTX >> <full-duplex>", which is expected for RPI3B. In the original message = it >> tells "1000baseT <full-duplex>", which means the board is RPI3B+ or >=20 >=20 > Hi Denis. >=20 > Yes, you're correct. This is the 3B+. I apologize for misrepresenting = it. It is also the earlier version board, >=20 > Built in 2017. I think it's version 1.1 (it's in a case, I don't feel = like dismantling it). I do not have access to such for any testing, just a 3B. (Not a reasonable comparison.) In checking on that, I ran into the following information: = https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-co= des/README.md only shows one revision for 3B+: Code Model Revision RAM Manufacturer . . . a020d3 3B+ 1.3 1GB Sony UK . . . Under RaspiOS the revision code shows up via: cat /proc/cpuinfo It was released in 2018. (See https://en.wikipedia.org/wiki/Raspberry_Pi = .) >> RPI4B. So another useful thing to do in addition to the method above >> would be to identify the model exactly and to double-check the = earlier >> test results (Mb/s or MB/s). >=20 > Again, sorry, misspelling. The figures are in megabytes. So, on the = Devuan, I can consistently obtain 18.x megabytes transfer using FTP or = Samba. On FreeBSD it's lucky to top 10. >=20 > I have also stepped up the CPU frequency to 1400, but this makes no = discernible difference. >=20 > The copying, when running Devuan, achieves the same speeds regardless = of whether the input is from the SD card or an attached USB (Sandisk = Extreme 128GB 3.1). >=20 > The power supply is official raspberry pi. The case has a fan, it is = set for 50degC turn on (via GPIO). For FreeBSD there is not even an = attached USB; nothing is on that bus. >=20 =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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