Date: Fri, 7 Sep 2012 18:50:12 GMT From: Shane Nievera Tablizo <nievera@mm.st> To: freebsd-bugs@FreeBSD.org Subject: kern/170200: [crypto] [patch] AES-NI XTS mode performance lower than CBC revised patch Message-ID: <201209071850.q87IoCIc006822@freefall.freebsd.org>
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The following reply was made to PR kern/170200; it has been noted by GNATS. From: Shane Nievera Tablizo <nievera@mm.st> To: bug-followup@FreeBSD.org Cc: Subject: kern/170200: [crypto] [patch] AES-NI XTS mode performance lower than CBC revised patch Date: Fri, 07 Sep 2012 12:40:48 -0600 This is a multi-part message in MIME format. --_----------=_1347043248118301 Content-Transfer-Encoding: 7bit Content-Type: text/plain This update removes the perl/openssl dependencies. The c implementation is a drop-in replacement for the existing assembly code. It captures most of the performance of the openssl module, and I still have a few optimizations to try. amd64 only until I get clang to cross compile the module. gcc4.2 lacks the opcodes for the new instructions, but it will compile with gcc47 from ports. The module will compile with -mavx and improves performance in user-space. 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