From mboxrd@z Thu Jan 1 00:00:00 1970 From: Milan Broz Subject: Re: dm-crypt parallelization patches Date: Tue, 03 Sep 2013 22:49:08 +0200 Message-ID: <52264B44.6050409@gmail.com> References: Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Mikulas Patocka Cc: dm-devel@redhat.com, Andi Kleen , Milan Broz , "Alasdair G. Kergon" List-Id: dm-devel.ids On 09/03/2013 09:06 PM, Mikulas Patocka wrote: > Hi Andi > > You wrote the original dm-crypt paralllelization patch (commit > c029772125594e31eb1a5ad9e0913724ed9891f2). This patch improves > parallelization, it makes data being encrypted on the same CPU that > submitted the request. Hi Mikulas, Do you have some recent reported performance problems with the current dmcrypt code? Please post numbers from tests. Also include systems using AES-NI. You know I tested your patchset cca year ago and result was not clear improvement... So if this changed, it is good news. Milan