Is a 12 MB/s microSD overkill for what the glamo driver does?

Jim Colton jimcolt at
Thu Jul 31 06:32:29 CEST 2008

Hi Mike,

I looked at the code your wrote.  It doesn't do anything that 'time dd'
already can do.

Thanks anyway.

On Wed, Jul 30, 2008 at 8:10 PM, Mike Montour <mail at> wrote:

> Jim Colton wrote:
> > If anyone cares this is the card I have coming and will speed test by
> > using dd(1) from the device to dev/null.
> I wrote a small benchmark program that will measure both read and write
> speeds for a file. A binary is available at
> (add a ".c" for the source).
> Usage is: ./iospeed <file> <size-in-MiB>. Note that measurements with
> this program may not be valid on a jffs2 filesystem (due to compression)
> but it should be OK for SD-card measurements.
> This thread on the Community list has some measurements from an 8G
> Sandisk card:
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