On Thu, Nov 15, 2012 at 07:59:22AM +0100, Günter Gebhardt wrote: > Hello, > > we integrated KARO TX53-8030 support into our barebox 2012.07.0 some month > ago. > > We measured the performance of memcpy() and found that the throughput is only > 19MB/s. We expected it to be something like 10 times faster. > > We saw that there is support for the TX-53 in general within the head of > barebox. > > Within the file arch/arm/boards/karo-tx53/flash_header.c it > is stated that it only supports TX53 1011 (i.e. 1GB RAM). Support for the TX53-8030 is currently in the -next branch, but unfortunately it doesn't seem to work properly, see this thread: http://lists.infradead.org/pipermail/barebox/2012-November/010983.html > > Do You have settings applicable to our device? > > What throughput do You expect from this device? Just rechecked on my 1011 board (I can't find the 8030 board atm, otherwise I would have fixed the support already), it's about 230MB/s using memcpy on the commandline. Probably you don't have the MMU turned on which means you're running without data chaches. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
