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README

######################################################################

-- Mathematics + Computer Science Div. / Argonne National Laboratory

Model Coupling Toolkit (MCT)

Jay Larson
Robert Jacob
Everest Ong
Ray Loy

For more information, see http://www.mcs.anl.gov/mct

See MCT/COPYRIGHT for license.

######################################################################

This is version 2.8 of the Model Coupling Toolkit (MCT).

Our purpose in creating this toolkit is to support the construction
of highly portable and extensible high-performance couplers
for distributed memory parallel coupled models.

######################################################################


Current Contents of the directory MCT:

README -- this file

COPYRIGHT - copyright statement and license.

mct/ -- Source code for the Model Coupling Toolkit.

mpeu/ -- Source code for the message-passing environment utilities
library (MPEU), which provides support for MCT

mpi-serial/ -- Source code for optional mpi replacement library.

examples/-- Source code for examples which demonstrate the use of MCT.

doc/ -- documentation for MCT

protex/ -- tool for constructing documentation from source code

data/ -- input data for running example programs. Not needed to
compile the library.

m4/ -- files for autoconf (not needed to build).

Optional Contents available

babel/ -- multi language interface for MCT using BABEL.
See babel/README for more information.

######################################################################
REQUIREMENTS:

Building MCT requires a Fortran90 compiler.

An MPI library is now optional. To compile without MPI, add
--enable-mpiserial to the configure command below. Note that
not all the examples will work without MPI. See mpi-serial/README
for more information.


The MCT library builds and the examples run on the following
platforms/compilers:

Linux: Portland Group, Intel, gfortran, Absoft, Pathscale, Lahey, NAG
MacOSX: gfortran
IBM (AIX) xlf
IBM BlueGene (see PLATFORM NOTE below)
SGI Altix
Cray XT/XK
Compaq Compaq Fortran Compiler (X5.5-2801-48CAG or later)
SUN (Solaris) f90 WorkShop
NEC
Fujitsu

Running some of the examples requires a parallel platform.
Memory requirements are modest.

######################################################################
BUILD INSTRUCTIONS:

In the top level directory (the location of this README):
> ./configure
> make

"make examples" will build the example programs.

BUILD HELP:
Try "./configure -help" for a list of options.

The correct Fortran90 compiler must be in your current path.
A frequent problem on Linux is when more than one F90 compiler
is in your path and configure finds one and later finds mpif90
for another.

Example: If configure has trouble finding the correct F90 compiler:
> ./configure FC=pgf90.

You can also direct configure through environment variables:
> setenv FC xlf90
> ./configure

If the build fails, please do the following:
> ./configure >& config.out
> make >& make.out
and send us config.out, make.out and config.log (which is produced by the
configure command)

PLATFORM NOTES:
On a BlueGene/P, use:
> ./configure FC=bgxlf90_r CC=mpixlc_r MPIFC=mpixlf90_r (can also use versions without _r)
At ALCF, one can just type "./configure".

On the Cray X* (e.g. jaguar) use:
> ./configure --host=Linux FC=ftn MPIFC=ftn

######################################################################
INSTALLATION INSTRUCTIONS:

"make install" will copy the .mod files to the /usr/include directory
and the *lib.a files to /usr/lib. To override these choices, use
"-prefix" when running configure:
> ./configure --prefix=/home/$USER
With the above option, "make install" will place .mod's in /home/$USER/include
and *lib.a's in /home/$USER/lib

######################################################################
BUILDING AND RUNNING THE EXAMPLES

The programs in MCT/examples/simple require no input.

The programs in MCT/examples/climate_concur1 and MCT/examples/climate_sequen1
require some input data in a directory called MCT/data. The dataset is available with MCT
or separately from the website.

To build them, type "make examples" in the top level directory or
cd to examples and type "make".

######################################################################

Both MCT and MPEU source code are self-documenting. All modules
and routines contain prologues that can be extracted and processed
into LaTeX source code by the public-domain tool ProTeX. ProTeX is
available by anonymous ftp from:

Software:
ftp://dao.gsfc.nasa.gov/pub/papers/sawyer/protex1.4.tar.Z
Documentation:
ftp://dao.gsfc.nasa.gov/pub/office_notes/on9711r0.ps.Z

You can build the documentation with protex and latex by following
the directions in the doc directory.

######################################################################

REVISION HISTORY:

18 Oct, 2000 -- Initial prototype
09 Feb, 2001 -- working MxN transfer
27 Apr, 2001 -- Sparse Matrix Multiply
13 Jun, 2001 -- General Grid
23 Aug, 2001 -- Linux PGF90 port
14 Dec, 2001 -- PCM support
29 Mar, 2002 -- Rearranger
14 Nov, 2002 -- version 1.0.0 -- first public release
11 Feb, 2003 -- version 1.0.4
12 Mar, 2003 -- version 1.0.5
02 Apr, 2003 -- version 1.0.7
03 Jul, 2003 -- version 1.0.9
26 Aug, 2003 -- version 1.0.12
12 Sep, 2003 -- version 1.0.14
21 Jan, 2004 -- version 1.4.0
05 Feb, 2004 -- version 1.6.0
23 Apr, 2004 -- version 2.0.0
18 May, 2004 -- version 2.0.1
11 Jul, 2004 -- version 2.0.2
19 Oct, 2004 -- version 2.0.3 (not released)
21 Jan, 2005 -- version 2.1.0
01 Dec, 2005 -- version 2.2.0
22 Apr, 2006 -- version 2.2.1 (not released)
08 Sep, 2006 -- version 2.2.2
16 Oct, 2006 -- version 2.2.3
10 Jan, 2007 -- version 2.3.0
17 Aug, 2007 -- version 2.4.0
21 Nov, 2007 -- version 2.4.1
20 Dec, 2007 -- version 2.4.2 (not released)
21 Jan, 2008 -- version 2.4.3 (not released)
28 Jan, 2008 -- version 2.5.0
20 May, 2008 -- version 2.5.1
05 Mar, 2009 -- version 2.6.0
05 Jan, 2010 -- version 2.7.0 (released only in CCSM4)
28 Feb, 2010 -- version 2.7.1 (released only in CESM1)
30 Nov, 2010 -- version 2.7.2 (released only in CESM1.0.3)
25 Jan, 2011 -- version 2.7.3 (not released)
07 Mar, 2012 -- version 2.7.4 (not released)
30 Apr, 2012 -- version 2.8.0


Tag MCT_2_8_0
README,v 1.49 2012-04-27 21:52:58 jacob Exp