From: Bakul Shah <bakul@bitblocks.com>
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 13:25:51 -0700 [thread overview]
Message-ID: <101AB299-83B9-432C-BA7A-E28FBB0057CA@bitblocks.com> (raw)
In-Reply-To: <BA4D9781-54BA-43C0-AA71-6DC047739727@quintile.net>
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The higher number seems to be from the netperf benchmark. See
https://www.phoronix.com/scan.php?page=article&item=raspberrypi-3-bplus&num=3
> On Apr 5, 2018, at 10:02 AM, Steve Simon <steve@quintile.net> wrote:
>
>
> 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.
>>
>
>
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next prev parent reply other threads:[~2018-04-05 20:25 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
2018-04-05 20:25 ` Bakul Shah [this message]
2018-04-05 22:13 ` hiro
2018-04-05 22:40 ` Rui Carmo
2018-04-05 21:33 ` Richard Miller
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