Date: Thu, 1 May 2014 12:45:15 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Bakul Shah <bakul@bitblocks.com> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Beaglebone black network performance Message-ID: <CAJ-VmomDgd5aqw6W-npo_ft0i36Dgo5=LLzjHU9aZKtV3%2BKp1g@mail.gmail.com> In-Reply-To: <20140501184925.1EDBCB827@mail.bitblocks.com> References: <CAAcX-AFVwzGXxpYXzjq5j3Up0mj8nwg6H_rsdELjvjevfvoTyw@mail.gmail.com> <20140501184925.1EDBCB827@mail.bitblocks.com>
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Does plan9 on the rpi use interrupts and DMA, or just polling? -a On 1 May 2014 11:49, Bakul Shah <bakul@bitblocks.com> wrote: > On Thu, 01 May 2014 19:47:47 +0300 =3D?UTF-8?B?w5Z6a2FuIEtJUklL?=3D <ozka= n.kirik@gmail.com> wrote: >> >> Rasberry PI's network performance is about 6-7Mbit/s, and ping latencies >> are about 10-20 milliseconds. I think it's too high. I used iperf for >> bandwidth testing. > > Something is wrong with your network if you get 10-20ms ping > latencies on the RPi. > > I don't run freebsd on RPi but with plan9 on it I get about > 3.8MB/s. (which is a lot more than 607Mbit/s) and 454 =C2=B5s > ping latency from a freebsd machine. > > [It is running @ 800Mhz, with the default clock rate (700Mhz?) > your numbers will be a bit worse] > >> What about Beaglebone black? > > I get about 9.6MB/s (using ttcp) and 173 =C2=B5s ping latency > from another freebsd machine. > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
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