From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58366) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSZ2M-00040b-S6 for qemu-devel@nongnu.org; Thu, 29 Nov 2018 22:00:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSZ2K-0001Qf-2n for qemu-devel@nongnu.org; Thu, 29 Nov 2018 22:00:14 -0500 Received: from out4-smtp.messagingengine.com ([66.111.4.28]:60985) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gSZ2J-0001Q2-Sf for qemu-devel@nongnu.org; Thu, 29 Nov 2018 22:00:12 -0500 Date: Thu, 29 Nov 2018 22:00:10 -0500 From: "Emilio G. Cota" Message-ID: <20181130030009.GA14990@flamenco> References: <20181128053834.10861-1-richard.henderson@linaro.org> <20181128221530.GA32160@flamenco> <9d890088-8dd6-517d-52a7-a6166f0cd8a6@linaro.org> <20181130003915.GA3323@flamenco> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181130003915.GA3323@flamenco> Subject: Re: [Qemu-devel] [PATCH 00/12] tcg: Improve register allocation for calls List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: qemu-devel@nongnu.org On Thu, Nov 29, 2018 at 19:39:15 -0500, Emilio G. Cota wrote: > A64 and POWER9 host numbers: > > https://imgur.com/a/m6Pss99 > > There's quite a bit of noise in the P9 measurements, but it's > a shared machine so I can't do much about that. > > I'll update the A64 results with error bars later tonight, > when I get further results. Here they are: https://imgur.com/a/EAAapSW The second image is the same results, but zoomed in. I could bring the confidence intervals down by running this many times, but each run takes 2h and I only have access to the machine for a few hours at a time. Those confidence intervals are generated from only 2 runs per benchmark, which explains why they're so large. E.