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Conference call notes 20151125

Kenneth Hoste edited this page Nov 25, 2015 · 4 revisions

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Notes on the 40th EasyBuild conference call, Wednesday November 25th 2015 (5.15pm - 5.45pm CEST)

Attendees

Alphabetical list of attendees (6):

  • Damian Alvarez (JSC, Germany)
  • Fotis Georgatos (freelancer)
  • Kenneth Hoste (HPC-UGent, Belgium)
  • Lumír Jasiok (IIT4Innovations, Czech Republic)
  • Alan O'Cais (JSC, Germany)
  • Martin Stachon (IIT4Innovations, Czech Republic)

Agenda

  • report on 10th EasyBuild hackathon and SC15 news/activities
  • discussing the issues related to supporting the 2016 versions of the Intel compilers/libraries
  • open Q&A

Notes

report on 10th EasyBuild hackathon and SC15 news/activities
  • EasyBuild & Spack
    • plans to work on common base library (WIP name 'depdag') with support for Spack-style of specifying dependency graph
    • Spack also defines a DAG specification in YAML; can serve as inspiration for EasyBuild .yeb format, or maybe even lead to a common format?
    • Lumír: support for rpath-style linking also very interesting
      • way in which Spack supports rpath-style linking can serve as guide for rpath support in EasyBuild
    • consider relicensing easyblocks (and framework) to LGPL, to enable two-way collaboration with Spack community
  • OpenHPC: http://openhpc.community
    • features both EasyBuild & Lmod (although neither of the respective communities were aware...)
    • not 100% clear what the intention is
    • Kenneth: now mainly serves as catalogue of established tools in HPC community?
  • issues with getting Intel tools installed
    • Kenneth: discussion started with Intel @ SC15 exhibit, several points of contact in Intel we can try to involve in follow-up
    • Lumír has looked into problems too, production installations in place
    • problems when combining recent Intel compilers with GCC v5.x
    • problems due to repackaging, (too) fat installs, should be trimmed down
    • overall picture is still unclear...
    • set up separate conf call on this? (Kenneth will send out doodle to ML to plan this)
  • problems with system GCC being picked up by MPI compiler wrappers rather than GCC included in toolchain? (Lumír, Martin)
    • Alan: seems related to previous problems with Intel MPI compiler wrappers not picking up the right compiler (icc vs gcc, etc.)
    • see set_mpi_wrapper_aliases_gcc and set_mpi_wrapper_* easyconfig parameters supported by impi easyblock
    • an issue (framework or easyblocks) should be opened to figure out the problems and work out solutions
  • (possible) future EasyBuild events
  • interest by both Intel and Cray, conf calls (being) planned by Kenneth
  • adoption of EasyBuild & Lmod by Bright
    • Bright Computing is actively looking into including EasyBuild in their environment, and switching to Lmod as the default modules tool
    • some incompatibilities with Tcl/C environment modules are preventing them from making a quick switch
    • Fotis is helping out with reporting problems and figuring out solutions
  • Alan: roadmap for EasyBuild v2.5.0
    • Kenneth: before end of the year, most likely by Dec 16th
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