Hi Eric, Have you enabled cash?
Bob Furber > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Eric BENARD > Sent: February 15, 2007 9:19 AM > To: uClinux development list > Subject: [uClinux-dev] M5208 & dhrystone > > > Hi, > > I'm using uClinux with kernel 2.4.32 and compiler 4.11-30 from > Codesourcery on a M5208EVB. > I compiled dhrystone using the following CFLAGS : > CFLAGS="-O2 -Wa,-memac -Wa,-mcpu=5208 -mcpu=5208 -DNO_PROTOTYPES=1" > (I also tried with much more complete CFLAGS). > > I ran dhrystone on this board and got this poor result : > Microseconds for one run through Dhrystone: 40.1 > Dhrystones per Second: 24937.7 > which means 14 DMIPS (the CPU runs at 166MHz and is expected - by the > shortform - to give up to 159 DMIPS). > I understand the OS eats a few DMIPS but I don't understand why I only > get 1/10th of the expected CPU power of this CPU. > > Do you have any idea of what could be wrong ? > > Many thanks and best regards > Eric > _______________________________________________ > uClinux-dev mailing list > [email protected] > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev > This message was resent by [email protected] > To unsubscribe see: > http://mailman.uclinux.org/mailman/options/uclinux-dev > _______________________________________________ uClinux-dev mailing list [email protected] http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by [email protected] To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
