JFFS3 & performance

Jörn Engel joern at wohnheim.fh-wedel.de
Wed Jan 19 11:31:23 EST 2005


On Wed, 19 January 2005 15:51:14 +0000, Artem B. Bityuckiy wrote:
> > 
> Hmm. Don't know if this good.
> 
> In case of network CRCs are always needed and the algorithm is the same.
> 
> In our case MTD is not dedicated to JFFS2. It is consceptually wrong to 
> implement this on MTD layer. This implies one more operation to drivers... 
> And then one may want to use another checksum algorith.... Implement yet 
> another operation? Doubts... (even understanding that this may lead to 
> better performance...). Thinking more needed.

Yup, it's fairly ugly.  Some ugliness in the name of performance is
fine, so benchmarks should decide.

Jörn

-- 
More computing sins are committed in the name of efficiency (without
necessarily achieving it) than for any other single reason - including
blind stupidity.
-- W. A. Wulf 




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