It's not always easy to get the most performance out of those machines - the programming challenges can be quite demanding. A lot of material is available online, and also local help is available.
* D-PHYS organized the [Advanced Scientific Computing Workshop](https://indico.phys.ethz.ch/conferenceOtherViews.py?view=nicecompact&confId=5), which given sufficient demand will probably be repeated. The slides are available at the URL above.
*[Informatikdienste's Scientific IT Services](https://www1.ethz.ch/id/services/category/scientific_computing) offers[training](https://sis.id.ethz.ch/consulting/#training) too
*[Informatikdienste's Scientific IT Services](https://www1.ethz.ch/id/services/category/scientific_computing) offer [training](https://sis.id.ethz.ch/consulting/#training) too