From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=to:cc:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=N94Wzg4ytYYaoRcjazul6Uq18ApaHs+FyN5zjt31+SI=; b=MRrG3LsdfAe1Mmxkam6v7pgimXa41CrN7v/Ans/x9me38SSPrhch/5hNwkypHu1BTx SwNrcQwl/RHCLMfDvYsO9bP31X8Vo00E7ZhI1vwhSd2l3Y0pJMLpzT8q2MnCicVpSbRT eO7Sbm7yt543pLUY8VxOlVl1sA+uywbSVTpIAwtMcCPHNp6crNW6YqDykbsRyvFWli8f Id81GuXxaU8m1p3e89VADtrpqKjNgMkX/pGUfY7t1tqYl1d+ChJZbF+/Z4j4kInVd0Ez iZC8fH6LAytYIDsvmu86Pre001ldE2eRVOrg+zWtu6eUKOm0MhUHojTUZa7iUywx0Upa djAQ== From: Akira Yokosawa Subject: [PATCH] cpu: Fix numbers in Performance of Mechanisms table in qqz Message-ID: <9b971ea3-e84c-b4e1-e75b-7c545b24f7e3@gmail.com> Date: Sat, 11 Jun 2016 15:39:31 +0900 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit To: paulmck@linux.vnet.ibm.com Cc: perfbook@vger.kernel.org, Akira Yokosawa List-ID: >From 1ff97081c713ff51d5bc2e15f8ba7649427fac4f Mon Sep 17 00:00:00 2001 From: Akira Yokosawa Date: Sat, 11 Jun 2016 15:28:20 +0900 Subject: [PATCH] cpu: Fix numbers in Performance of Mechanisms table in qqz Numbers given in 'Comms Fabric' and 'Global Comms' rows in Table D.1 seem wrong. Their costs are given in ns unit, so they should match those given in Table 3.1. Also, their ratio should be calculated by cost(ns)/0.36(ns). This commit fixes those numbers. Signed-off-by: Akira Yokosawa --- cpu/overheads.tex | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/cpu/overheads.tex b/cpu/overheads.tex index 311c43e..0cf83f3 100644 --- a/cpu/overheads.tex +++ b/cpu/overheads.tex @@ -224,11 +224,11 @@ global agreement. \hline CAS cache miss & 95.9 & 266.4 \\ \hline - Comms Fabric & 4,500\textcolor{white}{.0} - & 7,500\textcolor{white}{.0} \\ + Comms Fabric & 3,000\textcolor{white}{.0} + & 8,330\textcolor{white}{.0} \\ \hline - Global Comms & 195,000,000\textcolor{white}{.0} - & 324,000,000\textcolor{white}{.0} \\ + Global Comms & 130,000,000\textcolor{white}{.0} + & 361,000,000\textcolor{white}{.0} \\ \end{tabular} \caption{Performance of Synchronization Mechanisms on 16-CPU 2.8GHz Intel X5550 (Nehalem) System} \label{tab:cpu:Performance of Synchronization Mechanisms on 16-CPU 2.8GHz Intel X5550 (Nehalem) System} -- 1.9.1