[Cosmoparticle-wg] ET "Cosmology and particles" working group call

Erik Schnetter schnetter at gmail.com
Mon Apr 16 16:37:37 CDT 2018


On a theoretical level you are correct.

On a practical level, I find the most important things for
reproducible computational science are:
- use a version control system
- produce all simulations for a paper with one particular, documented
version of the code
- store all parameter/input files in the paper repository

And most of all:
- have a working tutorial with simple examples that helps people get
started with the code

I'm not expecting a tutorial from Katy (I'm expecting an overview),
but if you want to build a community, you might want to think about
offering such a tutorial, e.g. via videoconferencing, once you have a
few interested people.


On Mon, Apr 16, 2018 at 4:46 PM, Boud Roukema <boud at astro.uni.torun.pl> wrote:
> hi Helvi, all,
> On Mon, 16 Apr 2018, helvi witek wrote:
>> Katy Clough kindly agreed to give us an introduction to GRChombo (
>> http://www.grchombo.org/), their new, publicly available numerical
>> relativity code.
> GRChombo is *not* just publicly available; it is free software in the
> formal sense of "free software" (i.e. free-licensed software -
> https://en.wikipedia.org/wiki/free_software), under the BSD 3-clause
> licence:
> https://github.com/GRChombo/GRChombo/blob/master/LICENSE
> For a code to be publicly available is not very useful in itself,
> since that includes non-free codes, for which it is illegal to modify
> the code, redistribute it, and/or redistribute modified versions.
> What is critical for a scientific community like ours is to be able to
> correct bugs in the code, add features, have other people correct bugs
> in turn, and freely redistribute corrected versions, while giving
> proper credit to who did what and including proper revision/history
> control. For software to be publicly available is insufficient to
> support this community process; in contrast, being free-licensed
> software - such as GRChombo - guarantees the right to free development
> by the community.
> Cheers
> Boud
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Erik Schnetter <schnetter at gmail.com>

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