Maintainers conference call notes 20180704

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Notes on the 1st EasyBuild maintainers conference call, Wednesday July 4th 2018 (4pm - 5pm CEST)

Attendees

Alphabetical list of attendees (7):

• Damian Alvarez (JSC, Germany)
• Miguel Dias Costa (National University of Singapore)
• Kenneth Hoste (HPC-UGent, Belgium)
• Ward Poelmans (VUB, Belgium)
• Bart Oldeman (ComputeCanada)
• Alan O'Cais (JSC, Germany)
• Åke Sandgren (Umeå University, Sweden)

Agenda

• early evaluation of MotW experiment

  • https://github.com/easybuilders/easybuild/wiki/Maintainer-of-the-week-(MotW)

• fixing 2018b toolchains

  • https://github.com/easybuilders/easybuild-easyconfigs/labels/2018b

• outlook to EasyBuild 3.6.2: what's left to do

  • framework: https://github.com/easybuilders/easybuild-framework/milestone/57
  • easyblocks: https://github.com/easybuilders/easybuild-easyblocks/milestone/49
  • easyconfigs: https://github.com/easybuilders/easybuild-easyconfigs/milestone/52

MotW experiments

• mostly positive?
• Damian: haven't spent time I was hoping yet
• Åke: more activity?
• Miguel: more focus
• Ward: difficult to combine due to cluster problems
• tags for abandoned PRs?
  • will be picked during cleanup of old PRs
  • Miguel: can be done automatically via --close-pr
    • REFERENCE
• Åke: may be helpful to document what to do during MotW duty?
• for now, let's try to keep it up...

2018b toolchains

• PRs are good to go

EasyBuild 3.6.2

• framework
  • https://github.com/easybuilders/easybuild-framework/pull/2395
• easyconfigs
  • Åke: fix for OpenMPI 3.1.1?
    • https://github.com/easybuilders/easybuild-easyconfigs/pull/6519#issuecomment-402405668
    • not specific to POWER

Other

• Bart: OpenBLAS doesn't support Skylake X (AVX-512) well yet, cfr. https://github.com/xianyi/OpenBLAS/issues/1643 (FYI)
  • should be easy to see with HPL with foss/2018b vs intel/2018b on Skylake systems
  • (real) alternatives for OpenBLAS?
    • BLIS?, ATLAS?