[GRASS-user] Global overview of GRASS HPC resources/installations ?

[Nikos Alexandris]

* Massi Alvioli <nocharge at gmail.com> [2018-05-17 15:01:39 +0200]:

>2018-05-17 10:09 GMT+02:00 Moritz Lennert <mlennert at club.worldonline.be>:
>
>Hi,
>
>> [I imagine your mail was supposed to go onto the mailing list and not just to me...]
>
>sure my answer was for everyone to read, I believe I tried to send it
>again afterwards..
>something must have gone wrong.
>
>> I just presented GRASS and a short overview over GRASS on HPC yesterday at
>> the FOSS4F-FR and there was a lot of interest for this. Several people asked
>> me about specific documentation on the subject.
>
>What we did about GRASS + HPC was for specific production purposes and
>no documentation
>whatsoever wascreated, basically due to lack of time.. so I find it
>hard to say whether this is going
>to change in the near future:). Surely the topic is of wide interest
>and worth being discussed in
>several contexts.
>
>> Currently, I'm aware of the following wiki pages which each potentially
>> touches on some aspects of HPC:
>
>I must admit that existing documentation/papers did not help much.
>Well, did not help at all, actually.
>One major problem in my opinion/experience is that
>multi-core/multi-node machines can be really
>different from each other, and parallelization strategies very
>purpose-specific, so that creating
>general-purpose documents/papers, or even software, *may* be a
>hopeless effort. Smart ideas
>are most welcome, of course:)

Dear Massimo and all,

Being a beginner in massively processing Landsat 8 images using JRC's
JEODPP system (which is designed for High-Throughput,
https://doi.org/10.1016/j.future.2017.11.007), I found useful notes in
the Wiki (notably Veronica's excellent tutorials) and elsewhere, got
specific answers through the mailing lists and learned a lot in on-site
discussions during the last OSGeo sprint, for example.

Nonetheless, I think to have learned quite some things the hard way. In
this regard, some answers to even "non-sense" questions are worth documenting.

My aim is to transfer notes of practical value. Having HPC and HTC
related notes in a wiki, will help to get started, promote best
practices, learn through common mistakes and give an overview for the
points Peter put in this thread's first message.

I hope it's fine to name the page "High Performance Computing". Please
advise or create a page with another name if you think otherwise.

Many thanks, Nikos
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