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<!doctype html public "-//w3c//dtd html 4.0 transitional//en"> | 
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   <meta name="GENERATOR" content="Mozilla/4.72 [en] (X11; U; Linux 2.2.14-5.0 i686) [Netscape]"> | 
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   <title>viaCVS</title> | 
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<body text="#000000" bgcolor="#FFFFFF" link="#0000EF" vlink="#51188E" alink="#FF0000"> | 
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<center> | 
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<h2> | 
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Hardware/software requirements</h2></center> | 
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This page summarises computer system requirements for using MITgcm in a | 
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<a href=../online_documents/manual/sarch.html#fig:mitgcm_architecture_goals> | 
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range of scenarios</a> that spans simulations on a desktop PC to simulations | 
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run on a high-end supercomputer.  The side bar on the left contains | 
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links to sites from which third party software and hardware, which you | 
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may require, can be obtained. The text below and the  | 
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<a href=../online_documents/index.html target=mainFrame>online document</a> explain | 
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in what situations  you will need these items. In many cases the software | 
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you need will already be installed on your computer system and you can | 
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go straight ahead and <a href=../getting_started/index.html target=mainFrame>start using</a> the model. | 
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<p><b>MITgcm</b> | 
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runs on a wide <a href=../online_documents/manual/targethw.html>range of computer systems.</a></li> | 
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<li> | 
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includes special software (called <a href=../online_documents/manual/wrapper.html>WRAPPER</a>)  | 
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to support efficient execution and relatively easy portablity.</li> | 
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</ul> | 
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<b>Platforms where MITgcm is run regularly include</b> | 
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PC's ( both Intel and AMD processor based) running Linux.</li> | 
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Unix workstations from Sun, SGI, HP, IBM, Compaq.</li> | 
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Unix based PC and workstation clusters.</li> | 
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high-end symetric multi-processor systems.</li> | 
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</ul> | 
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<ul>Under the WRAPPER, code also runs very efficiently on high-end vector | 
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processing systems, if you have one.</ul> | 
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<b>The minimum you require to run the model is</b> | 
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a computer runing a Unix style operating system.</li> | 
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a Fortran 77, Fortran 90 or Fortran 95 compiler.</li> | 
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a C compiler.</li> | 
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</ul> | 
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<b>To run parallel configurations you also need either</b> | 
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a system that supports multi-threaded programs.</li> | 
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a system with an implementation of the MPI library installed.</li> | 
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</ul> | 
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<ul>Specialized communication software to optimizes performance on a specific | 
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platform can also be introduced into the WRAPPER.</ul> | 
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<b></b> | 
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<p><br><b>Once you have your computer set up</b> | 
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<blockquote>go here to download the model. The full distribution (including | 
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examples with input datasets and sample output) is around 50MB. Instructions | 
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on estimating the computing resource requirements (CPU time, memory usage | 
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and disk space) for a set of numerical experiments can be found here.</blockquote> | 
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<hr WIDTH="100%"> | 
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<table CELLSPACING=0 CELLPADDING=0 WIDTH="100%" NOSAVE > | 
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<tr NOSAVE> | 
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<td NOSAVE>Last modified on $Date: 2001/10/21 04:23:00 $</td> | 
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<td> | 
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<div align=right>CVS: $Source: /u/gcmpack/mitgcm.org/sealion/download_software/viaCVS.html,v | 
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$Revision: 1.3 $</div> | 
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</td> | 
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</tr> | 
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</body> | 
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</html> |