Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 20 Oct 2009 01:16:57 +0100
From:      =?UTF-8?Q?Istv=C3=A1n?= <leccine@gmail.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        Hongtao Yin <htyin@huawei.com>, freebsd-performance@freebsd.org, Brent Jones <brent@servuhome.net>
Subject:   Re: Comparison of FreeBSD/Linux TCP Throughput performance
Message-ID:  <b8592ed80910191716v11b978c1i8bf82170e4ed6a37@mail.gmail.com>
In-Reply-To: <d763ac660910181836p45aedc37v1c77f5e96b6df13b@mail.gmail.com>
References:  <78DB4AE8EF5F4A1EBD3992D7404B2725@china.huawei.com> <d763ac660910180755i7f6fd3c7q8578bfed11978b9d@mail.gmail.com> <ee9f3b480910181305x5c8661a7mb7bfdd2ddd0a267d@mail.gmail.com> <d763ac660910181836p45aedc37v1c77f5e96b6df13b@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Oct 19, 2009 at 2:36 AM, Adrian Chadd <adrian@freebsd.org> wrote:

> uhm:
>
> kristy# netperf -H 192.168.10.2 -p 22113 -l 10
> TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.10.2
> (192.168.10.2) port 0 AF_INET
> Recv   Send    Send
> Socket Socket  Message  Elapsed
> Size   Size    Size     Time     Throughput
> bytes  bytes   bytes    secs.    10^6bits/sec
>
>   8192  65536  65536    10.00     862.48
>
> 1 megabyte socket buffers threw an error. I'll see why later.
>
> Now, as for why 64k socket buffers gave a slower result than 8k socket
> buffers... ah. If I change the sending end to use 64k socket buffers:
>
> TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.10.2
> (192.168.10.2) port 0 AF_INET
> Recv   Send    Send
> Socket Socket  Message  Elapsed
> Size   Size    Size     Time     Throughput
> bytes  bytes   bytes    secs.    10^6bits/sec
>
>  65536  65536  65536    10.00     916.23
>
>
>
> Adrian
>
>
therefore i like netpipe runs you can see the performance and the latency as
well using the packet size as your "x" axis, i think it makes more sense
then just 1 number



-- 
the sun shines for all

http://l1xl1x.blogspot.com



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?b8592ed80910191716v11b978c1i8bf82170e4ed6a37>