Teleconference 2024-11-06

Attendees: Ken Moreland (ORNL), Silvio Rizzi (ANL), Hank Childs (UO), Gunther Weber (LBNL), Dave Pugmire (ORNL)

OASIS Deliverables

• Address requests for support, improvement, and new features by current and potential applications such as XGC and WarpX as well as other users of ParaView, VisIt, and Ascent.
  • Ascent team solved ray tracing bug in VTK-m 2.2
  • Another render issue popped up. Can be replicated at small scale. Nicole working on it.
  • Cyrus has noted that there appears to be an issue with contouring a surface. He is not getting the lines he expects.
• Strengthen operation of VTK-m on Aurora.
  • Renzo from Intel has tried VTK-m with a new version of the compiler that has some issues fixed. He reports things are working, but we need to follow up to make sure everything is passing now.
• Improve documentation with automatic generation and web deployment.
  • User's guide continues to improve.
• Ensure proper building and running at OLCF, ALCF, and NERSC through Spack.
  • Ken verified that Slack builds work on Perlmutter and Frontier.
  • Silvio connected Ken with Sean Koyama who helped set up the Spack build. It has progressed further but still needs some updates.
  • Ken added SYCL compile option to spack package. This has been accepted by spack.

Viskores / HPSF

The HPSF has granted us some funding to transition our software from VTK-m to Viskores. This funding will be provided to Kitware.

This Viskores TSC had a meeting last week. The minutes are at https://github.com/Viskores/viskores-tsc/wiki/Meeting-2024%E2%80%9010%E2%80%9029. Here is a summary of what was discussed:

A new code of conduct was adopted.

Vicente Bolea has been admitted as a maintainer of the Viskores repo. This will assist with his work of transitioning the software from VTK-m to Viskores

New members have been voted into the TSC. Welcome Silvio Rizzi, Nicole Marsaglia, Gunther Weber, and Jeff Amstutz.

Roundtable

Ascent getting weird ray culling issue.

VTK-m is likely going to be a part of the European ANARI Community Project that is forming.