kbytes/s

Is there any suggest performance for lwIP?

eg: For ARM9 XX Mhz  yyy kbytes/s
 ...

I neeed to understand whether my 200k bytes/s is a reasonable speed in my
96M system. Otherwise I must find something to increase my network speed.

Lee



On Thu, Feb 4, 2010 at 6:44 PM, Kieran Mansley <[email protected]> wrote:

>  On Wed, 2010-02-03 at 23:27 +0800, yueyue papa wrote:
> > Hi All,
> >
> > I make the 1.3.2 lwIP running in LAN environment.  My CPU is about 96M
> > MIPS platform.
> >
> > FTP client is used as a download speed test, the current speed is
> > about 200k/s.  Is it a reasonable speed for lwIP?
> >
> > I think the speed may be a bit slow, but I did not known the where is
> > the problem.  I found the socket windows update will make the speed
> > down heavily.
> >
> > My performance tune process
> > 1> pull mode ==> interrupt mode
> >      20k /s ==> 30k/s
> > 2> removed some interrup delay and ...
> >     30k/s ==> 80k/s
> > 3> CPU freqent from 48M ==> 96M hz
> >     80k/s ==> 180k/s
> > 4> MSS 1K ==> 1460
> >     180K/s ==> 196K/s
>
> What units are your measurements in?  k/s could be Kilo-bits or
> Kilo-bytes.  Your experiments suggest that your network speed is limited
> by CPU speed, as everything you change to make it faster has reduced the
> load on the CPU.
>
> Kieran
>
>
>
>
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>
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