[En-Nut-Discussion] Slow throughput was NutNetBufAlloc

Harald Kipp harald.kipp at egnite.de
Mon Oct 13 09:42:32 CEST 2003


Hi Nic,

>Unfortunately, it didn't make any difference, which I find a bit strange.
>I'm still only getting 10Kbytes/sec out of my ethernut for broadcast UDP
>packets.

Several hundred kBytes should be possible.


>If it possible to do some sort of profiling  of the code. I could setup a 
>whole
>bunch of timers and check execution times, but that sounds like it might 
>create
>a lot of overhead.

I guess so. May be there's a second thread in your
occupying the CPU in a loop?

I'd suggest to write a most simple piece of code for
sending UDP packets. If it's still too slow, let's
have us a look.

Harald




More information about the En-Nut-Discussion mailing list