Follow-up to wearing / caching question

[Jörn Engel]

On Mon, 7 February 2005 22:36:45 +0100, Martin Egholm Nielsen wrote:
>
> >Another way to look at it is an imaginary 1MiB flash.  You can write
> >it 100k times, for a total of 100GiB written to it.  With 600M seconds
> >in your expected 20 years, that gives you ~160 Bytes/s average write
> >speed.  Not very much.
> Then what about the pagesize and corresponding writebuffer - this may 
> have an effect, as well, when talking that slow write rates, right?!

For NOR, you don't need a write buffer.  For NAND you do, but then
again, 1MiB is rather small for NAND.  With 128MiB, you'd already have
a write rate of 20k/s, so the write buffer overhead is just a small
fraction of it.

Jörn

-- 
Fools ignore complexity.  Pragmatists suffer it.
Some can avoid it.  Geniuses remove it.
-- Perlis's Programming Proverb #58, SIGPLAN Notices, Sept.  1982