It's not a matter of the processor. It's a matter of the interface from the processor to the ethernet card. There is no DMA. The bandwidth is severely limited at the hardware level.
Chris On Sun, Aug 10, 2008 at 7:18 AM, Lorenzo Lutti <[EMAIL PROTECTED]> wrote: > Diego Dompe ha scritto: > >> Bottom line is that I have never seen board with the processing power of >> the DM355 provide more than 30MB/s. > > Actually, with a "measly" Luminary Stellaris LM3S6965 (cortex-M3 operating a > 50 MHz) I've got a clean data bandwidth of about 21 Mbps with the lwIP HTTP > server. Please note: *clean* data, i.e. the useful data without the overhead > of the various layers below (ethernet, TCP/IP and HTTP). > > Therefore, I would be very disappointed if I could get just 30 Mbps with an > ARM9 processor running at 200 MHz. *Very*. > > Cheers, Lorenzo > > _______________________________________________ > Davinci-linux-open-source mailing list > [email protected] > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source > _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
