From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e18.ny.us.ibm.com ([129.33.205.208]:58712 "EHLO e18.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751019AbcD0X1d (ORCPT ); Wed, 27 Apr 2016 19:27:33 -0400 Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 27 Apr 2016 19:27:32 -0400 Received: from b01cxnp22035.gho.pok.ibm.com (b01cxnp22035.gho.pok.ibm.com [9.57.198.25]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id 249DE38C804A for ; Wed, 27 Apr 2016 19:27:30 -0400 (EDT) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u3RNRUgh38404234 for ; Wed, 27 Apr 2016 23:27:30 GMT Received: from d01av01.pok.ibm.com (localhost [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u3RNRTAk023876 for ; Wed, 27 Apr 2016 19:27:29 -0400 Date: Wed, 27 Apr 2016 16:28:07 -0700 From: "Paul E. McKenney" Subject: Re: Some questions Message-ID: <20160427232807.GL4967@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20160427165357.GD4967@linux.vnet.ibm.com> <2b39d2d5-962b-ce05-aa59-5569abdc4049@gmail.com> <20160427225022.GK4967@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: perfbook-owner@vger.kernel.org List-ID: To: Akira Yokosawa Cc: perfbook@vger.kernel.org On Thu, Apr 28, 2016 at 08:01:31AM +0900, Akira Yokosawa wrote: > On 2016/04/27 15:50:22 -0700, Paul E. McKenney wrote: > > On Thu, Apr 28, 2016 at 07:15:05AM +0900, Akira Yokosawa wrote: > >> On 2016/04/27 09:53:57 -0700, Paul E. McKenney wrote: > >>> On Thu, Apr 28, 2016 at 12:21:48AM +0900, Akira Yokosawa wrote: > >>> [snip] > >>> > >>>> However, the newly added Table 14.2 "A Variable With More Simultaneous Values" > >>>> seems like it is not complete yet. Is that the case? > >>> > >>> Please see attached for what it looks like to me. > >> > >> Well, this is identical to the one I built. > >> So, do you intend to explicitly put numbers which show up fairly long time, and > >> leave other cells blank even below changes of values denoted by (n) in italics? > > > > The blank cells represent cache misses. The CPU is waiting for a read > > to complete during that time. A non-blank cell corresponds to a CPU > > actually completing a read. > > Oh, I see. But this should be explained in the text, I think. Good point! I also added several other possibilities, including interrupts and preemption. > >>>> Looks like you used some custom script or something to generate the table > >>>> from a raw data that contains when each cpu sees the updates. > >>>> > >>>> Do you have a plan to replace the Table with a Figure something like > >>>> Figure 14.5 "A Variable With Multiple Simultaneous Values"? > >>> > >>> I briefly considered coloring the table cells, but got distracted. > >> > >> That kind of work would be made easy if you make a script or something to > >> generate the latex source of the table. The problem is the script itself > >> might take time to make it work properly. I could be of help in that area. > > > > I probably do have something somewhere... No guarantees of finding it... > > > >>> I am not sure that making a 14.5-like barchart would be all that > >>> readable... But please feel free to prove me wrong. > >> > >> There would be a number of very narrow bars hard to recognize. > >> It would also be impossible to see there are fourteen different opinions > >> at time 20. Yes, a table seems a better way to represent this. > > > > Not sure that there is a really good way to represent this, but again, > > please feel free to prove me wrong! A nicer representation would be a > > very good thing. > > > > Thanx, Paul > > > >>>> If you do, I'll refrain from touching the Table. Rather, I'd be interested > >>>> in improving the script you might be using, if any. > >>>> > >>>> Another totally unrelated question is about the URL you placed in > >>>> Section C.7: "http://www.openvms.compaq.com/wizard/wiz_2637.html". > >>>> Sadly, this URL is no longer valid. Do you happen to aware of an alternative > >>>> URL still accessible today? > >>> > >>> This one: http://h71000.www7.hp.com/wizard/wiz_2637.html > >>> > >>>> By looking up a Wikipedia article, I found a page at > >>>> http://h18002.www1.hp.com/alphaserver/technology/chip-docs.html, > >>>> which is "Archived technical documentation library" of Alpha > >>>> containing links to technical documentation for Alpha microprocessors > >>>> and Alpha ATX motherboards. Is there a document there which can be > >>>> referred to instead of the above mentioned URL? > >>> > >>> Ah, I see... I blew it and included the URL verbatim in the text. > >>> It should be replaced with \cite{Compaq01}. > >>> > >>> Fixed, with your Reported-by! Thank you! > >> > >> Oh, you are most welcome! > >> Thanks, Akira > >>> > >>> Thanx, Paul > >>> > >> > > You might need to modify the repeated reference to the URL just before > footnote 6 in Section C.7.1 Good catch! I put the citation here as well. Thanx, Paul