Re: [RFC PATCH] Btrfs: add sha256 checksum option

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On Mon, Nov 24, 2014 at 12:23 AM, Holger Hoffstätte
<holger.hoffstaette@xxxxxxxxxxxxxx> wrote:

> Would there be room for a compromise with e.g. 128 bits?

For example, Spooky V2 hash is 128 bits and is very fast. It is
noncryptographic, but it is more than adequate for data checksums.

http://burtleburtle.net/bob/hash/spooky.html

SnapRAID uses this hash, and it runs at about 15 GB/sec on my machine
(Xeon E3-1270 V2 @ 3.50Ghz)
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