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<zimoun>rekado_: cool that you are working on guile-drmaa. I am eager the results. :-)

<rekado_>guile-drmaa only talks to libdrmaa.so

<rekado_>this libdrmaa.so is provided by slurm

<rekado_>some operations (like run-job) cause libdrmaa.so to interface with a running slurmd instance

<rekado_>and that’s when auth_munge.so (or even auth_none.so) complain about missing symbols

<rekado_>it would be nonsensical for DRMAA applications to also link to libslurm

<rekado_>because the whole point of DRMAA is to provide a scheduler-agnostic abstraction.

<rekado_>all operations that don’t require the scheduler (like creating and editing a job template) work fine.

<zimoun>rekado_, civodul: and does this guile DRMAA scheduler-agnostic asbtraction could be reused to improve the build farm instead of rely on guix-daemon for scheduling, if I read correctly?

<zimoun>hey, I have just seen this: https://con.racket-lang.org/#slot5 by Konrad :-)

<rekado_>zimoun: I always felt that HPC schedulers provide so much configurable infrastructure, which isn’t really the difficult part of scheduling.

<rekado_>the difficult part is policy

<rekado_>and that’s left to the admins

<rekado_>the problem space is very similar to workflow languages, I feel

<rekado_>people obsess about this or that workflow language, but in the end they all do the same and it’s really deployment and debuggability that matters – most of which is left to the user to figure out on their own

<rekado_>so: no, I don’t think DRMAA is going to be useful for the build farm

<civodul>heheh

<civodul>zimoun: Konrad is everywhere!

<civodul>speaking of which, JupyterCon is taking place right now and i thought someone should submit a lightning talk

<civodul>but i lack motivation

*zimoun needs to think about what rekado_ said :-)

<rekado_>better don’t! It might not actually make sense.

<rekado_>haven’t slept much at all the past few days. Baby’s a very poor sleeper these weeks.

<zimoun>civodul: Konrad’s show is on Sat. Cool!

<zimoun>yeah it could be cool for JupyterCon. But I have not using yet guix-jupyter.

<zimoun>rekado_: oh! less time to hack overnight, so.

<zimoun>BTW, WDYT to set by default pararelle-build? to #f? It will fix the reproducibility issue with Haskell

<rekado_>I get maybe one hour each day to do stuff on the computer, but usually I go straight to smell the yaks.

<rekado_>fine by me

<rekado_>I think we should disable it; doing it in the build system seems reasonable

<civodul>rekado_: :-)

<zimoun>patch core-updates?

<civodul>zimoun: you're talking about sequential builds for Haskell stuff only, right?

<zimoun>yes, for Haskell only.

<rekado_>yes, my patch to fix parallel builds actually resulted in lots of Haskell packages to no longer build reproducibly

<civodul>ok

<zimoun>and OCaml because of dune. roptat stopped out the issue

<zimoun>rekado_: the shortest diff to core-updates ;-)

IRC channel logs

2020-10-13.log