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74 lines
2.6 KiB
Markdown
74 lines
2.6 KiB
Markdown
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---
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title: IRPF90
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date: 2018-11-20
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bigimg: [{src: "/img/path.jpg", desc: "IRPF90"}]
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---
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# IRPF90
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IRPF90 is a Fortran programming environment which helps the development of
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large Fortran codes by applying the Implicit Reference to Parameters method (IRP).
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In Fortran programs, the programmer has to focus on
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the order of the instructions: before using a variable, the programmer has to
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be sure that it has already been computed in all possible situations. For large
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codes, it is common source of error.
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In IRPF90 most of the order of instructions is handled by the pre-processor, and
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an automatic mechanism guarantees that every entity is built before being used.
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This mechanism relies on the *needs/needed by* relations between the entities,
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which are built automatically.
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Codes written with IRPF90 execute often faster than Fortran programs, are faster
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to write and easier to maintain.
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If you use IRPF90, please cite this paper :
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[http://arxiv.org/abs/0909.5012 arXiv:0909.5012v1].
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The html version is accessible
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[here](IRPF90: a programming environment for high performance computing)
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## Download
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* [Download latest version](https://github.com/scemama/irpf90/releases/latest)
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* The source files are available on [GitLab](http://gitlab.com/scemama/irpf90)
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## How to use IRPF90
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* [Installation]
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* [Git book](http://scemama.gitbooks.io/irpf90 IRPF90 GitBook), and the
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[pdf version](http://irpf90.ups-tlse.fr/files/irpf90_manual.pdf)
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## Presentations
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* [PDF presentation](http://irpf90.ups-tlse.fr/files/cours_irpf90.pdf)
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* [PDF Presentation (in french)](http://irpf90.ups-tlse.fr/files/cours_irp1.pdf)
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* [Article in HPC Magazine (in french)](http://www.hpcmagazine.fr/hpc-labs/irpf90-un-generateur-de-code-fortran-pour-le-calcul-scientifique/)
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* [Presentation at HPCKP 2015 Barcelona (video in english)](https://youtu.be/TpMXkBlePSE)
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* [Presentation at JDev2015 Bordeaux (video in french)](https://webcast.in2p3.fr/videos-irpf90)
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## Tutorials
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* [Simple Tutorial]
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* [http://irpf90.ups-tlse.fr/tutorial/index.html Molecular dynamics tutorial], [pdf version](http://irpf90.ups-tlse.fr/files/irpf90_tutorial.pdf)
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## Video demo ==
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* [IRPF90 Demo on Vimeo](https://vimeo.com/scemama/irpf90_demo )
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## Some programs written with IRPF90
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* [Quantum Package](http://github.com/LCPQ/quantum_package) : Library of quantum chemistry methods
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* [QMC=Chem](http://qmcchem.ups-tlse.fr) : Massively parallel Quantum Monte Carlo program for Chemistry
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* [EZFIO](http://gitlab.com/scemama/EZFIO) : The Easy Fortran I/O library generator
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* [Other examples here](http://www.lct.jussieu.fr/pagesperso/reinh/IRP/IRPf90.html) : Programs developed by P. Reinhardt
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