[Opm] File formats
magne.sjaastad at ceetronsolutions.com
Tue May 19 06:18:06 UTC 2020
We have had some discussions related to an open exchange format called RESQML. I do not have any experience with this format, but I see they support HDF5 as data container.
From: Opm <opm-bounces at opm-project.org> On Behalf Of Alf Birger Rustad
Sent: Monday, 18 May 2020 17:51
To: 'opm at opm-project.org' <opm at opm-project.org>
Subject: [Opm] File formats
We are at a cross roads with respect to file formats, and I hope you are motivated to help us arrive at the best solution. We need better load-on-demand performance for summary files than what is currently possible with the default Eclipse format for summary files. Currently you will find an implementation in opm-common that simply transposes the summary vectors, while still using the same Fortran77 binary format. That approach has mainly three drawbacks. One is that it is not supported by any post-processing application (yet). The second is that it can only be created from a finished simulation, so you need to wait for simulations to finish before you get the performant result file. The third being that it is not suited for parallel processing, so forget about each process writing out it's part. We have started looking at HDF5 to see if it fits all the needs, as we have seen that in use for reservoir simulation already. We see that there are alternatives to HDF5, so any experiences on that is highly appreciated. Any and all input is highly appreciated at this point in time.
What do you think?
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