On 07/11/2012 02:18 AM, John Martin wrote:
> On 07/10/12 19:56, Sašo Kiselkov wrote:
>> Hi guys,
>> I'm contemplating implementing a new fast hash algorithm in Illumos' ZFS
>> implementation to supplant the currently utilized sha256. On modern
>> 64-bit CPUs SHA-256 is actually much slower than SHA-512 and indeed much
>> slower than many of the SHA-3 candidates, so I went out and did some
>> testing (details attached) on a possible new hash algorithm that might
>> improve on this situation.
> Is the intent to store the 512 bit hash or truncate to 256 bit?

The intent is to truncate. I know ZFS can only store up to 32 bytes in
the checksum.

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