CarpwetWeb: Update

3 files changed, 313 insertions, 208 deletions

diff --git a/Carpet/CarpetWeb/get-carpet.html b/Carpet/CarpetWeb/get-carpet.html
index 3783c958d..8c46a21a0 100644
--- a/Carpet/CarpetWeb/get-carpet.html
+++ b/Carpet/CarpetWeb/get-carpet.html
@@ -15,44 +15,45 @@
 
     <h2>Available Versions</h2>
 
-    <p>Carpet is distributed under the <a
-    href="http://www.gnu.org/licenses/licenses.html">GNU General
-    Public License (GPL)</a>.  It might be released under the GNU
-    Lesser General Public License (LGPL) in the future, to match the
-    distribution terms of Cactus.</p>
-
-    <p>There are currently three stable versions of Carpet available,
-    plus the current development version.  Versions 1 and 2 have been
-    unchanged for quite some time, and should be considered outdated.
-    There are no plans to make any further changes to these
-    versions.</p>
-
-    <p>Version 3 is the current stable version.  There are no plans to
-    make further changes to this version unless a serious error is
-    detected.  We recommend this version for the casual users and for
-    production runs.</p>
+    <p>Carpet is distributed under
+    the <a href="http://www.gnu.org/licenses/licenses.html">GNU
+    General Public License (GPL)</a>. It might be released under the
+    GNU Lesser General Public License (LGPL) in the future, to match
+    the distribution terms of Cactus.</p>
+
+    <p>There is a stable version (version 4) and a development version
+    of Carpet available, plus several outdated versions. Versions 1,
+    2, and 3 have been unchanged for quite some time, and should be
+    considered outdated. There are no plans to make any further
+    changes to these versions.</p>
+
+    <p>Version 4 is the current stable version. There are no plans to
+    develop this version further, but errors will be corrected. We
+    recommend this version for the casual users and for production
+    runs.</p>
 
     <p>The development version will always see changes, some of which
     might surprise you.  You should not use it without keeping in
-    close contact with the developers.</p>
+    close contact with the developers, i.e. following the relvant
+    mailing lists.</p>
 
 
 
     <h2>Downloading the Code</h2>
 
-    <p>Carpet is a driver for Cactus.  It works as a part of Cactus,
-    and you will need to have the developers' version of Cactus
-    installed before you can use Carpet.  Please look at the <a
-    href="http://www.cactuscode.org/">Cactus web pages</a> for an
-    introduction to Cactus and for installation instructions.</p>
+    <p>Carpet is a driver for Cactus. It works as a part of Cactus,
+    and you will need to have the Cactus installed before you can use
+    Carpet. Please look at
+    the <a href="http://www.cactuscode.org/">Cactus web pages</a> for
+    an introduction to Cactus and for install instructions.</p>
 
     <p>Carpet consists of several arrangements, each living in a
-    directory.  The arrangement <code>Carpet</code> contains the basic
-    driver part that everybody needs.  The arrangement
+    directory. The arrangement <code>Carpet</code> contains the basic
+    driver part that everybody needs. The arrangement
     <code>CarpetExtra</code> contains useful add-ons and some example
-    code.  Development of experimental thorns happens in the
+    code. Development of experimental thorns happens in the
     <code>CarpetDev</code> arrangement, which means that the code in
-    there is not to be trusted.  And finally, there is a graveyard
+    there is not to be trusted. And finally, there is a graveyard
     arrangement <code>CarpetAttic</code> of things that only used to
     be useful and are now in a state of decay.</p>
 
@@ -79,13 +80,13 @@
         cd arrangements
         ln -s ../carpet-stable-2/Carpet* .</pre>
     <p>(Don't miss the dot after the <code>Carpet*</code> in the last
-    line.)  Instructions for using darcs are
-    given <a href="#darcs">below</a>.  You can also have a look at
+    line.) Instructions for using darcs are
+    given <a href="#darcs">below</a>. You can also have a look at
     the <a
     href="http://www.carpetcode.org/~darcs/carpet-stable-2/">version 2
     source tree</a> in your web browser.</p>
 
-    <h3>Version 3 (current stable version)</h3>
+    <h3>Version 3 (outdated)</h3>
 
     <p>Version 3 of Carpet is available via anonymous <a
     href="http://www.darcs.net/">darcs</a>:</p>
@@ -94,43 +95,49 @@
         cd arrangements
         ln -s ../carpet-stable-3/Carpet* .</pre>
     <p>(Don't miss the dot after the <code>Carpet*</code> in the last
-    line.)  Instructions for using darcs are
-    given <a href="#darcs">below</a>.  You can also have a look at
+    line.) Instructions for using darcs are
+    given <a href="#darcs">below</a>. You can also have a look at
     the <a
     href="http://www.carpetcode.org/~darcs/carpet-stable-3/">version 3
     source tree</a> in your web browser.</p>
 
     <p>You can also obtain the darcs repository using <tt>wget</tt>
-    instead of <tt>darcs</tt>.  For this, use the command</p>
+    instead of <tt>darcs</tt>. For this, use the command</p>
 <pre>        wget -r -nH -np --cut-dirs=1 -R "index.html*" http://www.carpetcode.org/\~darcs/carpet-stable-3/</pre>
     <p>This copies the darcs repository into a subdirectory
     called <tt>carpet-stable-3</tt>, in much the same way as
-    the <tt>darcs get</tt> command above would.  That is, you also end
+    the <tt>darcs get</tt> command above would. That is, you also end
     up with a fully functional local repository.</p>
 
-    <h3>Development Version</h3>
+    <h3>Version 4 (current stable version)</h3>
 
-    <p>The development version of Carpet is available via
-    <a href="http://git.or.cz/">git</a>:</p>
+    <p>Version 4 of Carpet is available
+    via <a href="http://git.or.cz/">git</a>:</p>
 <pre>        cd Cactus
         git clone -o carpet git://carpetcode.org/carpet.git
         cd arrangements
         ln -s ../carpet/Carpet* .</pre>
     <p>(Don't miss the dot after the <code>Carpet*</code> in the last
-    line.)  Instructions for using git are
+    line.) Instructions for using git are
     given <a href="#git">below</a>.</p>
-<!-- This doesn't work yet
-    You can also have a look at
-    the <a href="http://www.carpetcode.org/~carpet/git/">development
-    source tree</a> in your web browser.</p>
--->
 
-<!-- Should we also allow download via wget? -->
+    <h3>Development Version</h3>
+
+    <p>The development version of Carpet is available
+    via <a href="http://mercurial.selenic.com/">Mercurial</a>:</p>
+<pre>        cd Cactus
+        hg clone https://carpetcode.googlecode.com/hg/ carpetcode
+        cd arrangements
+        ln -s ../carpetcode/Carpet* .</pre>
+    <p>(Don't miss the dot after the <code>Carpet*</code> in the last
+    line.) Instructions for using Mercurial are
+    given <a href="#hg">below</a>.</p>
 
 
 
     <h2>Write Access</h2>
    
+<!-- darcs is outdated
     <h3>Darcs Repositories</h3>
 
     <p>Write access to Carpet darcs repositories is handled via ssh.
@@ -141,42 +148,42 @@
         cd arrangements
         ln -s ../carpet-stable-3/Carpet* .</pre>
     <p>(Don't miss the dot after the <code>Carpet*</code> in the last
-    line.)  Further instructions for using darcs are
+    line.) Further instructions for using darcs are
     given <a href="#darcs">below</a>.</p>
 
     <p>You can also obtain the darcs repository using <tt>rsync</tt>
-    instead of <tt>darcs</tt>.  For this, use the command</p>
+    instead of <tt>darcs</tt>. For this, use the command</p>
 <pre>        rsync -Paz darcs@cvs.carpetcode.org:carpet-stable-3 .</pre>
     <p>This copies the darcs repository into a subdirectory
     called <tt>carpet-stable-3</tt>, in much the same way as
-    the <tt>darcs get</tt> command above would.  That is, you also end
+    the <tt>darcs get</tt> command above would. That is, you also end
     up with a fully functional local repository.</p>
 
     <p>We thank
     the <a href="http://www.tat.physik.cct.lsu.edu/">Institut für
     Astronomie und Astrophysik</a> of the Universität Tübingen for
     hosting the CVS and darcs servers.</p>
+-->
 
     <h3>Git Repository</h3>
 
-    <p>Write access to Carpet git repositories is also handled via
-    ssh.  Once you have an account set up, you obtain e.g. the
-    development version with</p>
+    <p>Write access to Carpet git repositories is handled via
+    ssh. Once you have an account set up, you obtain Carpet via</p>
 <pre>        cd Cactus
         git clone carpetgit@carpetcode.org:carpet.git
         cd arrangements
         ln -s ../carpet/Carpet* .</pre>
     <p>(Don't miss the dot after the <code>Carpet*</code> in the last
-    line.)  Further instructions for using git are
+    line.) Further instructions for using git are
     given <a href="#git">below</a>.</p>
 
 <!-- rsync access is not yet set up
     <p>You can also obtain the darcs repository using <tt>rsync</tt>
-    instead of <tt>darcs</tt>.  For this, use the command</p>
+    instead of <tt>darcs</tt>. For this, use the command</p>
 <pre>        rsync -Paz darcs@cvs.carpetcode.org:carpet-stable-3 .</pre>
     <p>This copies the darcs repository into a subdirectory
     called <tt>carpet-stable-3</tt>, in much the same way as
-    the <tt>darcs get</tt> command above would.  That is, you also end
+    the <tt>darcs get</tt> command above would. That is, you also end
     up with a fully functional local repository.</p>
 -->
 
@@ -184,16 +191,36 @@
     of <a href="http://www.tapir.caltech.edu/~cott/">Christian
     D. Ott</a>.</p>
 
+    <h3>Mercurial Repository</h3>
+
+    <p>We use two different Carpet Mercurial repositories for code
+    development that we keep manually in sync. The Google Code
+    repository is mainly used to proved public read-only access;
+    development itself occurs at <code>carpetcode.dyndns.org</code>.
+    Access to this Carpet repository is handled via ssh:
+<pre>        cd Cactus
+        hg glone ssh://carpetmercurial@carpetcode.dyndns.org/carpet
+        cd arrangements
+        ln -s ../carpet/Carpet* .</pre>
+    <p>(Don't miss the dot after the <code>Carpet*</code> in the last
+    line.) Further instructions for using git are
+    given <a href="#hgt">below</a>.</p>
+
+    <p>The Carpet Mercurial server is also a courtesy
+    of <a href="http://www.tapir.caltech.edu/~cott/">Christian
+    D. Ott</a>.</p>
+
 
 
     <hr />
 
     <h2>Modern Version Control Systems</h2>
 
-    <p>Carpet is managed in <a href="http://darcs.net/">darcs</a> and 
-    <a href="http://git.or.cz/">git</a> repositories instead of a CVS
-    repository.  Darcs and git have a number of advantages over CVS
-    for developers, such as:</p>
+    <p>Carpet is managed in <a href="http://git.or.cz/">git</a>
+    and <a href="http://mercurial.selenic.com/">Mercurial</a>
+    repositories instead of CVS or SVN repositories. Git and Mercurial
+    have a number of advantages over CVS and SVN for developers, such
+    as:</p>
 
     <ul>
       <li>You have a local copy of the repository, and can therefore
@@ -202,18 +229,19 @@
           so that you can omit dangerous changes, or keep changes to
           yourself until you are ready to publish them</li>
       <li>You can undo all changes</li>
-      <li>You can easily rename files and directories</li>
       <li>You can work in a decentralised manner, which suits large
           collaborations which may want to avoid a central point of
           control</li>
     </ul>
 
-    <p>and then some more, as described in
-    the <a href="http://darcs.net/manual/">darcs manual</a> and
-    the <a href="http://git.or.cz/">git web pages</a>.</p>
+    <p>and then some more, as described on
+    the <a href="http://git.or.cz/">git web pages</a> and
+    the <a href="http://mercurial.selenic.com/">Mercurial web
+    pages</a>.</p>
 
 
 
+<!--
     <h3 id="darcs">Using Darcs</h3>
 
     <p>The foremost source of information about darcs is
@@ -226,39 +254,40 @@
     Asked Questions</a>.</p>
 
     <p>If darcs is not already installed on your system, you need to
-    do so yourself.  This is described on
+    do so yourself. This is described on
     the <a href="http://darcs.net/">darcs home page</a>, and some
     links to binaries are given in the darcs wiki.</p>
 
     <h3>Updating the Repository from the Master Repository</h3>
 
     <p>At some time you will want to update your version of Carpet and
-    incorporate some changes from the main Carpet repository.  You do
+    incorporate some changes from the main Carpet repository. You do
     this with the command</p>
 <pre>cd Cactus/carpet-stable-3
 darcs pull</pre>
       <p>which will look for new changes, and then ask you which of these
-      you want to obtain.  Normally, you will want all changes.</p>
+      you want to obtain. Normally, you will want all changes.</p>
 
     <h3>Working with Darcs</h3>
 
     <p>We have some instructions on how
     to <a href="work-with-darcs.html">develop Carpet with
     darcs</a>.</p>
+-->
 
 
 
     <h3 id="git">Using Git</h3>
 
     <p>The <a href="http://git.or.cz/">git web site</a> contains
-    introductions and documentation for git.  The Linux kernel
+    introductions and documentation for git. The Linux kernel
     developers also maintain
     a <a href="http://www.kernel.org/pub/software/scm/git/docs/gittutorial.html">tutorial</a> for
-    git.  Git should be available for all modern operating systems.
+    git. Git should be available for all modern operating systems.
     It is also not difficult to install manually.</p>
 
     <p>Git comes with a convenient graphical user interface
-    called <code>git-gui</code>.  It allows you to update your code
+    called <code>git-gui</code>. It allows you to update your code
     from the master, commit local changes, compare branches, or push
     local changes back to the master repository.</p>
 
@@ -268,35 +297,62 @@ darcs pull</pre>
     <h3>Updating the Repository from the Master Repository</h3>
 
     <p>At some time you will want to update your version of Carpet and
-    incorporate some changes from the main Carpet repository.  If you
+    incorporate some changes from the main Carpet repository. If you
     are not using the graphical user interface, then you do this with
     the command</p>
 <pre>cd Cactus/carpet
 git pull</pre>
-    <p>which will download and merge the current version.  Git will
+    <p>which will download and merge the current version. Git will
     refuse to overwrite any conflicting local changes that you may
     have.</p>
 
 
 
+    <h3 id="hg">Using Mercurial</h3>
+
+    <p>The <a href="http://mercurial.selenic.com/">Mercurial web
+    site</a> contains introductions and documentation for Mercurial.
+    Mercurial should be available for all modern operating systems. It
+    is also not difficult to install manually.</p>
+
+    <p>On Mac operating systems, Mercurial comes with a convenient
+    graphical user interface called <code>MacHG</code>. This allows
+    you to update your code from the master, commit local changes,
+    compare branches, or push local changes back to the master
+    repository.</p>
+
+    <h3>Updating the Repository from the Master Repository</h3>
+
+    <p>At some time you will want to update your version of Carpet and
+    incorporate some changes from the main Carpet repository. If you
+    are not using the graphical user interface, then you use the
+    command</p>
+<pre>cd Cactus/carpet
+hg pull -u</pre>
+    <p>which will download and merge the current version. Mercurial
+    will refuse to overwrite any conflicting local changes that you
+    may have.</p>
+
+
+
     <h3>Convenient SSH Key Management</h3>
 
     <p>SSH has two mechanisms for authentication, typing a password,
-    or using ssh keys.  When you use ssh keys, your private key is
-    (<em>should</em>) be protected by a password.  That means that you
+    or using ssh keys. When you use ssh keys, your private key is
+    (<em>should</em>) be protected by a password. That means that you
     have to type this password every time you log into a different
-    machine.  Some people protect their private ssh key with an empty
+    machine. Some people protect their private ssh key with an empty
     password --- in this way, they don't have to type a password, but
-    this is not very secure.  If somebody is able to copy the private
-    ssh key, they have access to your remote accounts.  Intruders can
-    use this hop from one machine to the next.  Please do not use
+    this is not very secure. If somebody is able to copy the private
+    ssh key, they have access to your remote accounts. Intruders can
+    use this hop from one machine to the next. Please do not use
     empty passwords on your ssh keys.</p>
 
-    <p>SSH-agent is a convenient way to make things safe.  It is an
+    <p>SSH-agent is a convenient way to make things safe. It is an
     agent that starts automatically when you log in, and asks you for
-    your ssh key password once.  It remembers this password in memory,
+    your ssh key password once. It remembers this password in memory,
     and whenever you use ssh to log into a remote account, ssh
-    contacts the ssh-agent for the password to the key.  If this
+    contacts the ssh-agent for the password to the key. If this
     password is accepted, you don't have to type anything.</p>
 
     <p>I use the following lines in my <code>.bash_profile</code> to
@@ -304,7 +360,7 @@ git pull</pre>
     <pre>keychain id_dsa
 test -f $HOME/.keychain/$(hostname)-sh &amp;&amp; source $HOME/.keychain/$(hostname)-sh > /dev/null
 </pre>
-    <p>Keychain starts the ssh-agent.  Keychain can also handle gpg
+    <p>Keychain starts the ssh-agent. Keychain can also handle gpg
     key passwords for your encrypted and/or signed emails.</p>
 
 
@@ -325,7 +381,7 @@ test -f $HOME/.keychain/$(hostname)-sh &amp;&amp; source $HOME/.keychain/$(hostn
     <address><a href="mailto:schnetter@cct.lsu.edu">Erik Schnetter</a></address>
 <!-- Created: Tue Sep 28 16:52:20 CEST 2004 -->
 <!-- hhmts start -->
-Last modified: Sat Mar 01 2008
+Last modified: Tue Feb 15 2011
 <!-- hhmts end -->
   </body>
 </html>
diff --git a/Carpet/CarpetWeb/index.html b/Carpet/CarpetWeb/index.html
index 00cf19354..3912d095d 100644
--- a/Carpet/CarpetWeb/index.html
+++ b/Carpet/CarpetWeb/index.html
@@ -33,14 +33,14 @@
 <a href="humour.html">Other Carpets</a></p>
 
 <p><b>Mailing Lists</b><br />
-<a href="http://lists.carpetcode.org/listinfo/developers/">Subscribe</a><br />
-<a href="http://lists.carpetcode.org/archives/developers/">List&nbsp;Archive</a><br />
-<a href="http://lists.carpetcode.org/listinfo/carpet-cvs/">CVS&nbsp;messages</a><br />
-<a href="http://lists.carpetcode.org/listinfo/carpet-darcs/">darcs/git&nbsp;messages</a></p>
+<a href="http://cactuscode.org/community/mailinglists/">List&nbsp;Management</a><br />
+<a href="http://cactuscode.org/mailman/listinfo/developers">Subscribe</a><br />
+<a href="http://cactuscode.org/pipermail/developers/">List&nbsp;Archive</a><br />
+</p>
 
 <p><b>Development</b><br />
 <a href="get-carpet.html">Download</a><br />
-<a href="http://bugs.carpetcode.org/">Bug&nbsp;Reports</a><br />
+<a href="http://trac.einsteintoolkit.org/">Bug&nbsp;Reports</a><br />
 <a href="contributors.html">Contributors</a></p>
 <!-- These are outdated
 <a href="feature-requests.html">Missing&nbsp;features</a><br />
@@ -121,127 +121,35 @@ Barcelona<br />
 
     <h2>News</h2>
 
-    <table><tr><td valign="top">
-    <p><b>March 30, 2009:</b> We have ported Carpet to
-      the <a href="http://www-03.ibm.com/systems/deepcomputing/bluegene/">BlueGene/P</a>
-      architecture, using
-      the <a href="http://www.alcf.anl.gov/resources/storage.php">Surveyor</a>
-      system at the <a href="http://www.alcf.anl.gov/">ALCF</a>.  The
-      graph to the right shows preliminary performance and scaling
-      results, comparing different compilers and options
-      (<a href="http://gcc.gnu.org/">gcc</a>, <a href="http://www.ibm.com/software/awdtools/xlcpp/">IBM's
-      XL compilers</a> without OpenMP, and IBM's XL compilers
-      with <a href="http://www.openmp.org/">OpenMP</a>, which required
-      reducing the optimisation level).  For these benchmarks, the
-      problem size was reduced to about one eighth of the standard
-      size, using 13<sup>3</sup> grid points per core.  The results
-      show that Carpet scales fine up to the size of the total machine
-      (4k cores), but further work on compiler options is
-      required.</p>
-    </td><td valign="top">
-    <p><a href="scaling-surveyor/results-surveyor.pdf"><img
-          src="scaling-surveyor/results-surveyor.png"
-          width="180" alt="AMR benchmark results" /></a></p>
-    </td></tr></table>
-
-    <table><tr><td valign="top">
-    <p><b>March 20, 2009:</b> Carpet can now perform <i>performance
-      experiments</i> by artificially increasing the size or the
-      number of MPI messages exchanged between processes.  This can
-      help determine whether either the communication bandwidth or the
-      communication latency are a bottleneck of a particular
-      simulation.  The figure to the right shows results for the
-      standard <a href="http://www.cct.lsu.edu/~eschnett/McLachlan/">McLachlan</a>
-      AMR benchmark run on
-      the <a href="http://en.wikipedia.org/wiki/Cray_XT4">Cray XT4</a>
-       <a href="http://www.nics.tennessee.edu/computing-resources/kraken">Kraken</a>, using 25<sup>3</sup> grid points per core.  These
-      results indicate that the additional latency from increasing the
-      number of messages has no significant effect, and hence the
-      benchmark is bandwidth limited for this problem size.</p>
-    </td><td valign="top">
-    <p><a href="scaling-whatif/results-whatif.pdf"><img
-          src="scaling-whatif/results-whatif.png"
-          width="180" alt="AMR benchmark results" /></a></p>
-    </td></tr></table>
-    
-    <table><tr><td valign="top">
-    <p><b>March 16, 2009:</b> Erik Schnetter and Steve Brandt
-      published a white
-      paper <a href="http://www.cct.lsu.edu/CCT-TR/CCT-TR-2009-4"><i>Relativistic
-      Astrophysics on the SiCortex Architecture</i></a>.  This paper
-      expands on a
-      <a href="http://www.sicortex.com/news_events/campaigns/lsu_webinar">webinar</a>
-      by Erik and Steve that was hosted
-      by <a href="http://www.sicortex.com/">SiCortex</a>.</p>
-    <p>The graph at the right shows Carpet's parallel scalability
-      using
-      the <a href="http://www.cct.lsu.edu/~eschnett/McLachlan/">McLachlan</a>
-      code with nine levels of AMR for a set of current HPC systems.
-      The results have been rescaled to the architectures' theoretical
-      single-core peak performance.  This makes it possible to compare
-      Carpet's scalability on different architectures.  (It is not
-      possible to compare the systems' absolute performance in this
-      figure.)</p>
-    </td><td valign="top">
-    <p><a href="sicortex/results-scaled.pdf"><img
-          src="sicortex/results-scaled.png"
-          width="180" alt="AMR benchmark results" /></a></p>
-    </td></tr></table>
-    
-    <table><tr><td valign="top">
-    <p><b>November 9, 2008:</b> In the context of
-      the <a href="http://www.cct.lsu.edu/xirel/">XiRel project</a>,
-      we re-designed Carpet's communication layer to avoid many
-      operations that had a cost of O(<var>N</var>), growing linearly
-      with the number of MPI processes.  Such costs are generally not
-      acceptable when running on several thousand cores, and have to
-      be reduced e.g. to O(log <var>N</var>).  Carpet now stores the
-      communication schedule (mostly) in a distributed manner,
-      increasing performance and reducing its memory requirement.
-      These improvements are currently being tested; preliminary
-      scaling results are shown in the figure to the right.</p>
-    </td><td valign="top">
-    <p><a href="scaling-improved/results-best.pdf"><img
-          src="scaling-improved/results-best.png"
-          width="180" alt="AMR benchmark results" /></a></p>
-    </td></tr></table>
-
-    <p><b>June 25, 2008:</b> We are happy to announce
-      the <a href="http://www.cct.lsu.edu/~eschnett/SimFactory"><i>Simulation
-      Factory</i></a>, a tool to help access remote HPC systems,
-      manage source trees, and submit and control simulations.  The
-      Simulation Factory contains a set of abstractions of the tasks
-      which are necessary to set up and successfully finish numerical
-      simulations using the Cactus framework.  These abstractions hide
-      tedious low-level management tasks, they capture "best
-      practices" of experienced users, and they create a log trail
-      ensuring repeatable and well-documented scientific results.
-      Using these abstractions, many types of potentially disastrous
-      user errors are avoided, and different supercomputers can be
-      used in a uniform manner.</p>
-
-    <table><tr><td valign="top">
-      <p><b>March 29, 2008:</b> We have benchmarked McLachlan, a new
-      BSSN-type vacuum Einstein code, using Carpet for unigrid and AMR
-      calculations.  We compare several current large machines:
-        <a href="http://www.nersc.gov/nusers/systems/franklin/">Franklin</a>
-      (NERSC), <a href="http://www.loni.org/systems/system.php?system=QueenBee">Queen
-      Bee</a> (LONI),
-      and <a href="http://www.tacc.utexas.edu/services/userguides/ranger/">Ranger</a>
-      (TACC).
-      <!-- These machines have different architectures and
-      interconnects.--></p>
-    </td><td valign="top">
-        <p><a
-              href="scaling-amr/results-carpet-1lev.pdf"><img
-              src="scaling-amr/results-carpet-1lev.png" width="180"
-              alt="Unigrid benchmark results" /></a></p>
-    </td><td valign="top">
-        <p><a
-              href="scaling-amr/results-carpet-9lev.pdf"><img
-              src="scaling-amr/results-carpet-9lev.png" width="180"
-              alt="AMR benchmark results" /></a></p>
-    </td></tr></table>
+    <p><b>February 15, 2011:</b>
+    The <a href="get-carpet.html">download instructions</a> for Carpet
+    now also point to <a href="http://code.google.com/">Google
+    Code</a>, where the current development version is availble for
+    download.</p>
+
+    <p><b>November 23, 2010:</b> We are pleased to announce the second
+    release (code name
+    "<a href="http://en.wikipedia.org/wiki/Subrahmanyan_Chandrasekhar">Chandrasekhar</a>")
+    of the Einstein Toolkit, an open, community developed software
+    infrastructure for relativistic astrophysics. This release is
+    mainly a maintenance release incorporating fixes accumulated since
+    the previous release in June 2010, as well as additional test
+    suites.</p>
+
+    <p><b>August 30, 2011:</b> Notes from our
+    <a href="http://ccrg.rit.edu/~carpet/wiki/Main_Page">Carpet
+    Developer Workshop</a> at RIT are now available.</p>
+
+    <p><b>June 17, 2010:</b> We are pleased to announce the first
+    release (code name
+    "<a href="http://en.wikipedia.org/wiki/Bohr-Einstein_debates">Bohr</a>")
+    of the Einstein Toolkit, an open, community developed software
+    infrastructure for relativistic astrophysics. The Einstein Toolkit
+    is a collection of over 130 software components and tools for
+    simulating and analyzing general relativistic astrophysical
+    systems that builds on numerous software efforts in the numerical
+    relativity community including CactusEinstein, the Whisky
+    hydrodynamics code, and the Carpet AMR infrastructure.</p>
 
     <p><a href="olds.html"><b>Old News...</b></a></p>
 
@@ -291,6 +199,7 @@ Barcelona<br />
 
     <h2>Interacting with the developers</h2>
 
+<!-- outdated
     <p>Most discussions about Carpet, i.e. user questions, feature
     requests, and bug reports, are held on the Carpet developers'
     mailing list <a
@@ -300,7 +209,17 @@ Barcelona<br />
     You will also find the mailing list archive there.  We thank <a
     href="http://www.tat.physik.uni-tuebingen.de/~kobras/">Daniel
     Kobras</a> for managing the mailing list server.</p>
-
+-->
+    <p>Most discussions about Carpet, i.e. user questions, feature
+    requests, and bug reports, are held on the Cactus developers'
+    mailing
+    list <a href="mailto:developers@cactuscode.org">developers@cactuscode.org</a>.
+    You can subscribe and unsubscribe from
+    our <a href="http://cactuscode.org/community/mailinglists/">list
+    management web page</a>. You will also find the mailing list
+    archive there.</p>
+
+<!-- outdated
     <p>We have started to use <a
     href="http://www.bugzilla.org/">Bugzilla</a> to keep track of
     requested features or reported bugs in Carpet.  You can submit or
@@ -309,6 +228,12 @@ Barcelona<br />
     have created an account there.  The old <a
     href="feature-requests.html">list of missing features</a> have not
     yet been moved over to Bugzilla.</p>
+-->
+
+    <p>We use <a href="http://trac.edgewall.org/">TRAC</a> to keep
+    track of requested features or reported bugs in Carpet. You can
+    submit or comment on issues from
+    our <a href="http://trac.einsteintoolkit.org/">TRAC site</a>.</p>
 
     <hr />
 
@@ -493,7 +418,7 @@ Barcelona<br />
 <p>
 <!-- Created: Tue Aug 12 12:12:08 CEST 2003 -->
 <!-- hhmts start -->
-Last modified: Mon Mar 30 2009
+Last modified: Tue Feb 15 2011
 <!-- hhmts end -->
 </p>
 
diff --git a/Carpet/CarpetWeb/olds.html b/Carpet/CarpetWeb/olds.html
index 1d29d2cc8..0b6f5e474 100644
--- a/Carpet/CarpetWeb/olds.html
+++ b/Carpet/CarpetWeb/olds.html
@@ -15,6 +15,130 @@
     <p><a href="index.html"><b>New News...</b></a></p>
 
     <table><tr><td valign="top">
+    <p><b>March 30, 2009:</b> We have ported Carpet to
+      the <a href="http://www-03.ibm.com/systems/deepcomputing/bluegene/">BlueGene/P</a>
+      architecture, using
+      the <a href="http://www.alcf.anl.gov/resources/storage.php">Surveyor</a>
+      system at the <a href="http://www.alcf.anl.gov/">ALCF</a>.  The
+      graph to the right shows preliminary performance and scaling
+      results, comparing different compilers and options
+      (<a href="http://gcc.gnu.org/">gcc</a>, <a href="http://www.ibm.com/software/awdtools/xlcpp/">IBM's
+      XL compilers</a> without OpenMP, and IBM's XL compilers
+      with <a href="http://www.openmp.org/">OpenMP</a>, which required
+      reducing the optimisation level).  For these benchmarks, the
+      problem size was reduced to about one eighth of the standard
+      size, using 13<sup>3</sup> grid points per core.  The results
+      show that Carpet scales fine up to the size of the total machine
+      (4k cores), but further work on compiler options is
+      required.</p>
+    </td><td valign="top">
+    <p><a href="scaling-surveyor/results-surveyor.pdf"><img
+          src="scaling-surveyor/results-surveyor.png"
+          width="180" alt="AMR benchmark results" /></a></p>
+    </td></tr></table>
+
+    <table><tr><td valign="top">
+    <p><b>March 20, 2009:</b> Carpet can now perform <i>performance
+      experiments</i> by artificially increasing the size or the
+      number of MPI messages exchanged between processes.  This can
+      help determine whether either the communication bandwidth or the
+      communication latency are a bottleneck of a particular
+      simulation.  The figure to the right shows results for the
+      standard <a href="http://www.cct.lsu.edu/~eschnett/McLachlan/">McLachlan</a>
+      AMR benchmark run on
+      the <a href="http://en.wikipedia.org/wiki/Cray_XT4">Cray XT4</a>
+       <a href="http://www.nics.tennessee.edu/computing-resources/kraken">Kraken</a>, using 25<sup>3</sup> grid points per core.  These
+      results indicate that the additional latency from increasing the
+      number of messages has no significant effect, and hence the
+      benchmark is bandwidth limited for this problem size.</p>
+    </td><td valign="top">
+    <p><a href="scaling-whatif/results-whatif.pdf"><img
+          src="scaling-whatif/results-whatif.png"
+          width="180" alt="AMR benchmark results" /></a></p>
+    </td></tr></table>
+    
+    <table><tr><td valign="top">
+    <p><b>March 16, 2009:</b> Erik Schnetter and Steve Brandt
+      published a white
+      paper <a href="http://www.cct.lsu.edu/CCT-TR/CCT-TR-2009-4"><i>Relativistic
+      Astrophysics on the SiCortex Architecture</i></a>.  This paper
+      expands on a
+      <a href="http://www.sicortex.com/news_events/campaigns/lsu_webinar">webinar</a>
+      by Erik and Steve that was hosted
+      by <a href="http://www.sicortex.com/">SiCortex</a>.</p>
+    <p>The graph at the right shows Carpet's parallel scalability
+      using
+      the <a href="http://www.cct.lsu.edu/~eschnett/McLachlan/">McLachlan</a>
+      code with nine levels of AMR for a set of current HPC systems.
+      The results have been rescaled to the architectures' theoretical
+      single-core peak performance.  This makes it possible to compare
+      Carpet's scalability on different architectures.  (It is not
+      possible to compare the systems' absolute performance in this
+      figure.)</p>
+    </td><td valign="top">
+    <p><a href="sicortex/results-scaled.pdf"><img
+          src="sicortex/results-scaled.png"
+          width="180" alt="AMR benchmark results" /></a></p>
+    </td></tr></table>
+    
+    <hr />
+
+    <table><tr><td valign="top">
+    <p><b>November 9, 2008:</b> In the context of
+      the <a href="http://www.cct.lsu.edu/xirel/">XiRel project</a>,
+      we re-designed Carpet's communication layer to avoid many
+      operations that had a cost of O(<var>N</var>), growing linearly
+      with the number of MPI processes.  Such costs are generally not
+      acceptable when running on several thousand cores, and have to
+      be reduced e.g. to O(log <var>N</var>).  Carpet now stores the
+      communication schedule (mostly) in a distributed manner,
+      increasing performance and reducing its memory requirement.
+      These improvements are currently being tested; preliminary
+      scaling results are shown in the figure to the right.</p>
+    </td><td valign="top">
+    <p><a href="scaling-improved/results-best.pdf"><img
+          src="scaling-improved/results-best.png"
+          width="180" alt="AMR benchmark results" /></a></p>
+    </td></tr></table>
+
+    <p><b>June 25, 2008:</b> We are happy to announce
+      the <a href="http://www.cct.lsu.edu/~eschnett/SimFactory"><i>Simulation
+      Factory</i></a>, a tool to help access remote HPC systems,
+      manage source trees, and submit and control simulations.  The
+      Simulation Factory contains a set of abstractions of the tasks
+      which are necessary to set up and successfully finish numerical
+      simulations using the Cactus framework.  These abstractions hide
+      tedious low-level management tasks, they capture "best
+      practices" of experienced users, and they create a log trail
+      ensuring repeatable and well-documented scientific results.
+      Using these abstractions, many types of potentially disastrous
+      user errors are avoided, and different supercomputers can be
+      used in a uniform manner.</p>
+
+    <table><tr><td valign="top">
+      <p><b>March 29, 2008:</b> We have benchmarked McLachlan, a new
+      BSSN-type vacuum Einstein code, using Carpet for unigrid and AMR
+      calculations.  We compare several current large machines:
+        <a href="http://www.nersc.gov/nusers/systems/franklin/">Franklin</a>
+      (NERSC), <a href="http://www.loni.org/systems/system.php?system=QueenBee">Queen
+      Bee</a> (LONI),
+      and <a href="http://www.tacc.utexas.edu/services/userguides/ranger/">Ranger</a>
+      (TACC).
+      <!-- These machines have different architectures and
+      interconnects.--></p>
+    </td><td valign="top">
+        <p><a
+              href="scaling-amr/results-carpet-1lev.pdf"><img
+              src="scaling-amr/results-carpet-1lev.png" width="180"
+              alt="Unigrid benchmark results" /></a></p>
+    </td><td valign="top">
+        <p><a
+              href="scaling-amr/results-carpet-9lev.pdf"><img
+              src="scaling-amr/results-carpet-9lev.png" width="180"
+              alt="AMR benchmark results" /></a></p>
+    </td></tr></table>
+
+    <table><tr><td valign="top">
     <p><b>March 1, 2008:</b> Carpet has a logo!  This logo is
       a <a href="http://en.wikipedia.org/wiki/Sierpinski_carpet">Sierpiński
       carpet</a>, which is a fractal pattern with
@@ -417,7 +541,7 @@
 <p>
 <!-- Created: Tue Aug 12 12:12:08 CEST 2003 -->
 <!-- hhmts start -->
-Last modified: Sat Mar 01 2008
+Last modified: Feb 15 2011
 <!-- hhmts end -->
 </p>