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Technical and coding aspects

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Pour une meilleure gestion des namelists et des validations (Juin 2010). (Coding, phasing, porting)

Monday 13 September 2010 by Karim Yessad
Sommaire RESUME TABLE DES MATIERES ON RECENSE ICI LES RAISONS QUI ONT CONDUIT DANS LE PASSE A DES DIFFICULTES DE VALIDATIONS, ET ON PROPOSE UN CERTAIN NOMBRE DE RECOMMANDATIONS AFIN D’AMELIORER LA VALIDATION DES CODES ET D’Y PASSER UN PEU MOINS DE TEMPS. (...)


Phasing roadmap (Dec 2009) (Coding, phasing, porting)

Friday 18 December 2009 by Patricia
This documents (version 1.5, 18/12/2009) gives phasing general rules on source code and phasing roadmap of actions. Useful information could also be found in the (old) phasers’ guide.


Geometry package for ALADIN & AROME LAM (Dec 2009) (Projections, grids and model resolutions)

Thursday 10 December 2009 by Patricia
Sommaire Projections used in ALADIN Les projections utilisées (...) (access to French version, pour version française) This document describes the Fortran package for the management of the “geometry” of the ALADIN & AROME LAM. This “geometry” is a projection (...)


The ARPEGE/ALADIN tech’ book : implications of LAM aspects on the global model code (Dec, 2007) (Coding, phasing, porting)

Tuesday 11 December 2007
This paper was originally written by Mark Zagar, ever since updated by Claude Fischer with contributions by Gabor Radnoti, Martin Janousek and Alena Trojakova. The versions of December 2004 (al29t1), December 2006 (al32) are available. The last version (al33) was prepared in December 2007 by (...)


ClearCase manual (May 2007) (Coding, phasing, porting)

Monday 21 May 2007
This easy ClearCase Manual in 7 lessons and exercises was proposed by Ryad El Khatib in November 2000 and updated in May 2007. This document has been written in order to help people to use ClearCase. Experience seems to show that the most efficient solution to start with ClearCase would be to (...)


NEC User’s Guide : introduction to NEC “tori” machine at Météo-France (April 2007) (Systems and operations)

Tuesday 3 April 2007 by Patricia
This NEC users guide was written by Marion Pithon (French version, 19/02/2007) and translated into English (by Jean Maziejewski, March 2007). This guide is only available for authorised users (a user/password is needed to acceed to the guides from outside Météo-France). Main points of this (...)


Graphics about possible future discretizations and resolutions in Arpège and Aladin-France (April 2007) (Projections, grids and model resolutions)

Tuesday 3 April 2007 by Patricia
Sommaire Map of ARPEGE horizontal (...) Vertical levels cast in (...) Vertical levels cast in (...) Truncature T358C2.4 T538C2.4 T799C2.4 for the whole sphere


MITRAILLETTE : to validate ALADIN configurations (2004) (Coding, phasing, porting)

Tuesday 19 December 2006
Mitraillette is a script designed to validate ALADIN configurations and is particularly useful to test a new cycle. This script uses a chain of jobs: when a job is finished it launches the following job, in a predetermined order. The first version was developped by Vanda Sousa da Costa in (...)


New geometry routines for ALADIN (January 2006) (Projections, grids and model resolutions)

Thursday 19 January 2006 by Jean-Daniel GRIL
This document explains the new projection routines with an emphasis on bugfixes at the level of Cycle 29.t2 to 30.t1. It explains : the new "cadre" for ALADIN files, use of NCADFORM key, in depth description of parameter setup and checks in sufpg1, ... Both English and French documentions are (...)


Distributed Memory : introduction (2002) (Technical and coding aspects)

Wednesday 6 July 2005
The architecture of ARPEGE/IFS/ALADIN software, which must be executed in real-time, is designed to run on high performance machines, which includes machines with a large number of processors. The research of performance is base on the Amdal’s law that shows obviously, that the developer should (...)


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