From: Steve Simon <steve@quintile.net>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Plan9 on Pi 3B+
Date: Thu, 5 Apr 2018 18:02:17 +0100 [thread overview]
Message-ID: <BA4D9781-54BA-43C0-AA71-6DC047739727@quintile.net> (raw)
In-Reply-To: <46180584f55326f1df30061986ba28cf@hamnavoe.com>
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 <9fans@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.
>
next prev parent reply other threads:[~2018-04-05 17:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1092190499.1253166.1522781548163.ref@mail.yahoo.com>
2018-04-03 18:52 ` Brian L. Stuart
2018-04-03 19:35 ` Erik Quanstrom
2018-04-03 21:05 ` Richard Miller
2018-04-04 0:30 ` Skip Tavakkolian
2018-04-05 14:17 ` Richard Miller
2018-04-05 15:03 ` Richard Miller
2018-04-05 17:02 ` Steve Simon [this message]
2018-04-05 20:25 ` Bakul Shah
2018-04-05 22:13 ` hiro
2018-04-05 22:40 ` Rui Carmo
2018-04-05 21:33 ` Richard Miller
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