[GRASS-git] [OSGeo/grass] 9a61f3: grass.temporal: Use r.mapcalc nprocs=1 in parallel...

[Vaclav Petras]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: 9a61f34e0968eaf304905ab05de0a69ab8d498c6
      https://github.com/OSGeo/grass/commit/9a61f34e0968eaf304905ab05de0a69ab8d498c6
  Author: Vaclav Petras <wenzeslaus at gmail.com>
  Date:   2025-11-06 (Thu, 06 Nov 2025)

  Changed paths:
    M python/grass/temporal/extract.py
    M python/grass/temporal/mapcalc.py
    M python/grass/temporal/temporal_raster_algebra.py

  Log Message:
  -----------
  grass.temporal: Use r.mapcalc nprocs=1 in parallel code (#6582)

In the grass.temporal code, r.mapcalc runs in parallel as multiple processes, so r.mapcalc itself should be using only one core. This adds nprocs=1 to the r.mapcalc usages in grass.temporal. (The calls are direct calls through pygrass Module or gs.run_command, but not through gs.mapcalc.)

Notably, pygrass Module requires the run-underscore-false parameter when at least one parameter is present to not run the tool prematurely.



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