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. Cheers, -- Saso _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss