[GRASS-git] [OSGeo/grass] 29bf67: CI: Set OMP_NUM_THREADS=1 for tests run in paralle...

[Edouard Choinière]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: 29bf67c51eaa0b90a426c8302d8cc8d86f5e1e85
      https://github.com/OSGeo/grass/commit/29bf67c51eaa0b90a426c8302d8cc8d86f5e1e85
  Author: Edouard Choinière <27212526+echoix at users.noreply.github.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M .github/workflows/macos.yml
    M .github/workflows/pytest.yml

  Log Message:
  -----------
  CI: Set OMP_NUM_THREADS=1 for tests run in parallel (#7680)

We observed some random, transient timeouts on different tests. For one of them, t.list, there was no reason to fail on macOS, where there are 3 cores instead of 2 in GitHub Actions. There's a possibility that there's a problem with the temporal library locking up somewhere, but there’s also a small chance that the r.mapcalc calls are now using multiple processors. It "costs" not much to add this env var so that the number of threads is limited, even if it doesn't fix all problems; it might just fix some potential ones, since we are already running in parallel in that section.



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