flash read performance

Jamie Lokier jamie at shareable.org
Wed Oct 29 08:03:12 EDT 2008


Josh Boyer wrote:
> On Tue, Oct 28, 2008 at 11:14:05AM +0100, Andre Puschmann wrote:
> >Hi list,
> >
> >I am currently trying to improve the flash read performance of my 
> >platform. It's a gumstix verdex board with a pxa270 running at 400MHz. 
> >My flash is a 16MB NOR Intel StrataFlash P30 (128P30T) and it's 
> >operating in the _normal_ asynchronous mode. In my opinion the read 
> >performance is very poor, only around 1.2 to 1.4 MB/s depending on the 
> >blocksize. I think it should be possible to get much higher transfer rates.
> 
> Why do you think that?

Take a look at:

http://marc.info/?l=linux-embedded&m=122125638419881&w=2
http://marc.info/?l=linux-embedded&m=122149685932525&w=2
http://marc.info/?l=linux-embedded&m=122185227511786&w=2

-- Jamie



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