/[MITgcm]/manual/s_getstarted/text/getting_started.tex

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-revision 1.38 by molod,
Wed Jun 28 17:20:51 2006 UTC
+revision 1.43 by jmc,
Fri May 28 21:04:18 2010 UTC
 Line 3
  %\section{Getting started}
- In this section, we describe how to use the model. In the first
+ We believe the best way to familiarize yourself with the
- section, we provide enough information to help you get started with
- the model. We believe the best way to familiarize yourself with the
  model is to run the case study examples provided with the base
  version. Information on how to obtain, compile, and run the code is
- found there as well as a brief description of the model structure
+ found here as well as a brief description of the model structure
- directory and the case study examples.  The latter and the code
+ directory and the case study examples. Information is also provided
- structure are described more fully in chapters
+ here on how to customize the code when you are ready to try implementing
- \ref{chap:discretization} and \ref{chap:sarch}, respectively. Here, in
+ the configuration you have in mind.  The code and algorithm
- this section, we provide information on how to customize the code when
+ are described more fully in chapters \ref{chap:discretization} and
- you are ready to try implementing the configuration you have in mind.
+ \ref{chap:sarch}.
  \section{Where to find information}
  \label{sect:whereToFindInfo}
-Line 104 
 The MITgcm web site contains further dir
+Line 102 
 The MITgcm web site contains further dir
  code and CVS.  It also contains a web interface to our CVS archive so
  that one may easily view the state of files, revisions, and other
  development milestones:
- \begin{rawhtml} <A href="http://mitgcm.org/download" target="idontexist"> \end{rawhtml}
+ \begin{rawhtml} <A href="http://mitgcm.org/viewvc/MITgcm/MITgcm/" target="idontexist"> \end{rawhtml}
  \begin{verbatim}
- http://mitgcm.org/source_code.html
+ http://mitgcm.org/viewvc/MITgcm/MITgcm/
  \end{verbatim}
  \begin{rawhtml} </A> \end{rawhtml}
-Line 141 
 track of your file versions with respect
+Line 139 
 track of your file versions with respect
  the files in \texttt{CVS}!  You can also use CVS to download code
  updates.  More extensive information on using CVS for maintaining
  MITgcm code can be found
- \begin{rawhtml} <A href="http://mitgcm.org/usingcvstoget.html" target="idontexist"> \end{rawhtml}
+ \begin{rawhtml} <A href="http://mitgcm.org/public/using_cvs.html" target="idontexist"> \end{rawhtml}
  here
  \begin{rawhtml} </A> \end{rawhtml}
  .
-Line 225 
 with. So please be sure you understand w
+Line 223 
 with. So please be sure you understand w
  If you do not have CVS on your system, you can download the model as a
  tar file from the web site at:
- \begin{rawhtml} <A href=http://mitgcm.org/download target="idontexist"> \end{rawhtml}
+ \begin{rawhtml} <A href=http://mitgcm.org/download/ target="idontexist"> \end{rawhtml}
  \begin{verbatim}
  http://mitgcm.org/download/
  \end{verbatim}
-Line 521 
 To compile the code, first use the progr
+Line 519 
 To compile the code, first use the progr
  in the \texttt{tools} directory) to generate a Makefile.
  \texttt{genmake2} is a shell script written to work with all
  ``sh''--compatible shells including bash v1, bash v2, and Bourne.
- Internally, \texttt{genmake2} determines the locations of needed
+ %Internally, \texttt{genmake2} determines the locations of needed
- files, the compiler, compiler options, libraries, and Unix tools.  It
+ %files, the compiler, compiler options, libraries, and Unix tools.  It
- relies upon a number of ``optfiles'' located in the
+ %relies upon a number of ``optfiles'' located in the
- \texttt{tools/build\_options} directory.
+ %\texttt{tools/build\_options} directory.
+ \texttt{genmake2} parses information from the following sources:
+ \begin{description}
+ \item[-] a {\em gemake\_local} file if one is found in the current
+   directory
+ \item[-] command-line options
+ \item[-] an "options file" as specified by the command-line option
+   \texttt{--optfile=/PATH/FILENAME}
+ \item[-] a {\em packages.conf} file (if one is found) with the
+   specific list of packages to compile. The search path for
+   file {\em packages.conf} is, first, the current directory and
+   then each of the "MODS" directories in the given order (see below).
+ \end{description}
+ \subsubsection{Optfiles in \texttt{tools/build\_options} directory:}
  The purpose of the optfiles is to provide all the compilation options
  for particular ``platforms'' (where ``platform'' roughly means the
-Line 597 
 for inclusion.  Please send the file to
+Line 609 
 for inclusion.  Please send the file to
  \begin{rawhtml} </A> \end{rawhtml}
  mailing list.
+ \subsubsection{Command-line options:}
  In addition to the optfiles, \texttt{genmake2} supports a number of
  helpful command-line options.  A complete list of these options can be
  obtained from:
-Line 619 
 The most important command-line options
+Line 633 
 The most important command-line options
    the user's path.  When these three items have been identified,
    genmake2 will try to find an optfile that has a matching name.
- \item[\texttt{--pdefault='PKG1 PKG2 PKG3 ...'}] specifies the default
+ \item[\texttt{--mods='DIR1 DIR2 DIR3 ...'}] specifies a list of
-   set of packages to be used.  The normal order of precedence for
+   directories containing ``modifications''.  These directories contain
-   packages is as follows:
+   files with names that may (or may not) exist in the main MITgcm
-   \begin{enumerate}
+   source tree but will be overridden by any identically-named sources
-   \item If available, the command line (\texttt{--pdefault}) settings
+   within the ``MODS'' directories.
-     over-rule any others.
-   \item Next, \texttt{genmake2} will look for a file named
-     ``\texttt{packages.conf}'' in the local directory or in any of the
-     directories specified with the \texttt{--mods} option.
-   \item Finally, if neither of the above are available,
-     \texttt{genmake2} will use the \texttt{/pkg/pkg\_default} file.
-   \end{enumerate}
+   The order of precedence for this "name-hiding" is as follows:
+   \begin{itemize}
+   \item ``MODS'' directories (in the order given)
+   \item Packages either explicitly specified or provided by default
+     (in the order given)
+   \item Packages included due to package dependencies (in the order
+     that that package dependencies are parsed)
+   \item The "standard dirs" (which may have been specified by the
+     ``-standarddirs'' option)
+   \end{itemize}
+ \item[\texttt{--pgroups=/PATH/FILENAME}] specifies the file
+   where package groups are defined. If not set, the package-groups
+   definition will be read from {\em pkg/pkg\_groups}.
+   It also contains the default list of packages (defined
+   as the group ``{\it default\_pkg\_list}'' which is used
+   when no specific package list ({\em packages.conf})
+   is found in current directory or in any "MODS" directory.
  \item[\texttt{--pdepend=/PATH/FILENAME}] specifies the dependency file
    used for packages.
-Line 658 
 The most important command-line options
+Line 682 
 The most important command-line options
    "STAF" compiler.  As with any compilers, it is helpful to have their
    directories listed in your {\tt \$PATH} environment variable.
- \item[\texttt{--mods='DIR1 DIR2 DIR3 ...'}] specifies a list of
-   directories containing ``modifications''.  These directories contain
-   files with names that may (or may not) exist in the main MITgcm
-   source tree but will be overridden by any identically-named sources
-   within the ``MODS'' directories.
-   The order of precedence for this "name-hiding" is as follows:
-   \begin{itemize}
-   \item ``MODS'' directories (in the order given)
-   \item Packages either explicitly specified or provided by default
-     (in the order given)
-   \item Packages included due to package dependencies (in the order
-     that that package dependencies are parsed)
-   \item The "standard dirs" (which may have been specified by the
-     ``-standarddirs'' option)
-   \end{itemize}
  \item[\texttt{--mpi}] This option enables certain MPI features (using
    CPP \texttt{\#define}s) within the code and is necessary for MPI
    builds (see Section \ref{sect:mpi-build}).
-Line 717 
 The steps for building MITgcm with MPI s
+Line 724 
 The steps for building MITgcm with MPI s
    libraries and put them into an options file as described in Section
    \ref{sect:genmake}.  One can start with one of the examples in:
    \begin{rawhtml} <A
-     href="http://mitgcm.org/cgi-bin/viewcvs.cgi/MITgcm/tools/build_options/">
+     href="http://mitgcm.org/viewvc/MITgcm/MITgcm/tools/build_options/">
    \end{rawhtml}
    \begin{center}
      \texttt{MITgcm/tools/build\_options/}
-Line 768 
 The steps for building MITgcm with MPI s
+Line 775 
 The steps for building MITgcm with MPI s
    library and a job scheduling and queueing system such as PBS,
    LoadLeveller, Condor, or any of a number of similar tools.  A few
    example scripts (those used for our \begin{rawhtml} <A
-     href="http://mitgcm.org/testing.html"> \end{rawhtml}regular
+     href="http://mitgcm.org/public/testing.html"> \end{rawhtml}regular
    verification runs\begin{rawhtml} </A> \end{rawhtml}) are available
    at:
    \begin{rawhtml} <A
-     href="http://mitgcm.org/cgi-bin/viewcvs.cgi/MITgcm_contrib/test_scripts/">
+     href="http://mitgcm.org/viewvc/MITgcm/MITgcm/tools/example_scripts/">
+   \end{rawhtml}
+   {\footnotesize \tt
+     http://mitgcm.org/viewvc/MITgcm/MITgcm/tools/example\_scripts/ }
+   \begin{rawhtml} </A> \end{rawhtml}
+   or at:
+   \begin{rawhtml} <A
+     href="http://mitgcm.org/viewvc/MITgcm/MITgcm_contrib/test_scripts/">
    \end{rawhtml}
    {\footnotesize \tt
-     http://mitgcm.org/cgi-bin/viewcvs.cgi/MITgcm\_contrib/test\_scripts/ }
+     http://mitgcm.org/viewvc/MITgcm/MITgcm\_contrib/test\_scripts/ }
    \begin{rawhtml} </A> \end{rawhtml}
  \end{enumerate}

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