Re: JFFS3 & performance

David Vrabel
2004-12-17T11:33:47Z

Joakim Tjernlund wrote:
>
> 2) Consider another checksum algorithm. Crc32 is very expensive
> and JFFS2 suffered severely in the early days. Now that crc32 is
> very optimized that problem is less visible, but crc32 is still
> expensive. Maybe an Adler32 checksum is good enough or a crc16?

Does anyone have links to the profilling data that showed this?

(Also, I wouldn't have thought crc16 on 32 bit archs would have any
significant performance benefits. But since I don't know either the
crc16 or crc32 algorithms... *shrug*)

David Vrabel
--
David Vrabel, Design Engineer

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