kern/178467: [zfs] [request] Optimized Checksum Code for ZFS
Jason Keller
jkeller at bbiinternational.com
Mon Jun 24 16:30:01 UTC 2013
The following reply was made to PR kern/178467; it has been noted by GNATS.
From: Jason Keller <jkeller at bbiinternational.com>
To: Alan Somers <asomers at freebsd.org>, "bug-followup at FreeBSD.org"
<bug-followup at FreeBSD.org>
Cc:
Subject: RE: kern/178467: [zfs] [request] Optimized Checksum Code for ZFS
Date: Mon, 24 Jun 2013 16:20:35 +0000
Thank you very much for following up on this. Any further optimization of =
checksums is gravy, for everyone that uses FreeBSD/ZFS. Sure Fletcher4 is =
pretty light, but every little bit helps. Fewer CPU cycles used =3D less l=
atency =3D more win. I think for crypto/dedup applications, perhaps effort=
should be focused on an optimized implementation of Keccak (SHA3 winner) i=
nstead of SHA256?
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