This sounds familiar ..... On Wed, 2008-04-23 at 14:52 -0400, Peter Sommerfeld wrote: > Hi, > > I've been doing some testing with SD card writes on the DM355 devkit. > The performance is dismal. > > I am using a kernel retrieved from TI's site on Apr 20/08. I built the > kernel with the only change to the config being the inclusion of the > resizer driver. > > On Windows Vista, my 150x 2GB SD card gets a write speed of > 4 GB/s > over a 128 MB file. On the embedded system my write speed is 135 kB/s > - an unbelievable 3%!! > > Has anyone looked at the SD driver and/or SD interface? I was not > planning on touching this driver, never mind having to rewrite big > chunks of it :( > > Peter > _______________________________________________ > Davinci-linux-open-source mailing list > Davinci-linux-open-source@linux.davincidsp.com > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
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