Dear chris chriss, > I'm trying to test the cache on my beagle with a snapshot from the git tree > today. I tried it out by loading a file from the mmc with dcache off and > then dcache on. I didn't see any difference in speed. After reading this > commit (http://git.denx.de/?p=u-boot.git;a=commit;h=95c6f6d), I expected to > see a performance improvement.
Maybe you should try a comparable test scenario to that of loading a really large file from a fast storage medium like NAND instead a small file from a slow, serial, probably SPI driven medium... Reinhard > <capture> > > OMAP3 beagleboard.org # mmc init 1 > mmc1 is available > OMAP3 beagleboard.org # dcache > Data (writethrough) Cache is OFF > OMAP3 beagleboard.org # fatload mmc 0:1 0x80000000 uImage.bin > reading uImage.bin > > 3852836 bytes read > OMAP3 beagleboard.org # dcache on > Data (writethrough) Cache is ON > OMAP3 beagleboard.org # fatload mmc 0:1 0x80000000 uImage.bin > reading uImage.bin > > 3852836 bytes read > OMAP3 beagleboard.org # > > </capture> _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
