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# Computing

## GRICAD - Local resources

GRICAD is the Grenoble computing centre and serves the local community, there website can be found [here](https://gricad.univ-grenoble-alpes.fr/gricad/) and their wiki is [here](https://gricad-doc.univ-grenoble-alpes.fr/en/).

Instructions on how to create an account can be found [here](https://gricad-doc.univ-grenoble-alpes.fr/en/services/).

### GUIX

https://gricad-doc.univ-grenoble-alpes.fr/en/hpc/softenv/guix/

To enter the GUIX environment, use this:

```bash
source /applis/site/guix-start.sh
```

.. note::
It is not recommended to put this into `.bashrc`

### Kraken-CPU

Information about the machine: https://gricad-doc.univ-grenoble-alpes.fr/en/hpc/kraken/kraken/

To run QE at the moment, use:

```bash
guix install quantum-espresso
guix install openmpi-kraken
```

## National resources

The entry point to accessing the national resources is GENCI's DARI platform found [here](https://www.edari.fr/).  To create your account:

1. Click on this [link](https://www.edari.fr/user/login), in the top right you can change the language to English, and then click on the big button below 'Connection via Education-Research Federation'.
2. Select Grenoble-INP (or CNRS if they are your employer) and log in using your standard details.