v1.5.0

:Date: Apr 10, 2025

General Updates:

• Migrate package build system to pyproject.toml (with pixi support). #1459
• Improve handling when no MPI found. #1514
• ensemble.save_output() can save without appending attributes append_attrs=False. #1531
• Improve handling of worker-specific persis_info fields when they are not initially provided. #1531
  • Bugfix: Fix final_gen_send when there are no worker-specific persis_info fields.
  • Handle worker-generated persis_info fields.
  • Ensure persis_info is initialized to an empty dictionary in user functions instead of None.

Examples:

• Update Ax generator for Ax v0.5.0. #1508
• Rename gpCAM generators. #1516
  • persistent_gpCAM_ask_tell to persistent_gpCAM
  • persistent_gpCAM_simple to persistent_gpCAM_covar (in fact less simple)
• Persistent generators return None as first return value unless H_o is updated. #1515
• Add LUMI to known platforms. #1546

Documentation:

• Revamp Examples and HPC section of documentation. #1501, #1536, #1539
• Add tutorial and notebook demonstrating surrogate model creation with gpCAM. #1531
• Update Aurora guide. #1510
• Update and documented APOSMM/WarpX example. #1543

:Note:

• Tests were run on Linux and MacOS with Python versions 3.10, 3.11, 3.12, 3.13
• Heterogeneous workflows tested on Aurora (ALCF), Polaris (ALCF), LUMI (EuroHPC JU), and Perlmutter (NERSC).

:Known Issues:

• See known issues section in the documentation.