Skip to content

temporal: deliberately set nprocs for functions that use OpenMP-parallelized tools #7913

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ninsbl merged 3 commits into from
Sep 12, 2026
Merged

temporal: deliberately set nprocs for functions that use OpenMP-parallelized tools #7913

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
c4ac467
deliberately set nprocs
ninsbl Sep 11, 2026
c726d07
limit r.univar to nprocs=1
ninsbl Sep 11, 2026
ca59d35
use nprocs only for r.univar, not r3.univar
ninsbl Sep 12, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 15 additions & 1 deletion python/grass/temporal/aggregation.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,17 @@ def collect_map_names(sp, dbif, start, end, sampling):


def aggregate_raster_maps(
inputs, base, start, end, count: int, method, register_null, dbif, offset: int = 0
inputs,
base,
start,
end,
count: int,
method,
register_null,
dbif,
offset: int = 0,
*,
nprocs: int = 0,
):
"""Aggregate a list of raster input maps with r.series

Expand All @@ -130,6 +140,7 @@ def aggregate_raster_maps(
time raster dataset, if false not
:param dbif: The temporal database interface to use
:param offset: Offset to be added to the map counter to create the map ids
:param nprocs: Number of cores to use for processing (0 means use all available cores)
"""

msgr = get_tgis_message_interface()
Expand Down Expand Up @@ -174,6 +185,7 @@ def aggregate_raster_maps(
if len(inputs) > 1000:
gs.run_command(
"r.series",
nprocs=nprocs,
flags="z",
file=filename,
output=output,
Expand All @@ -183,6 +195,7 @@ def aggregate_raster_maps(
else:
gs.run_command(
"r.series",
nprocs=nprocs,
file=filename,
output=output,
overwrite=gs.overwrite(),
Expand Down Expand Up @@ -271,6 +284,7 @@ def aggregate_by_topology(
r_series = pymod.Module(
"r.series",
output="spam",
nprocs=1,
method=[method],
overwrite=overwrite,
quiet=True,
Expand Down
3 changes: 3 additions & 0 deletions python/grass/temporal/univar_statistics.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,9 @@ def compute_univar_stats(
if stats_module.name == "r3.univar" or not registered_map_info["semantic_label"]
else registered_map_info["semantic_label"]
)
# Only r.univar, not r3.univar has nprocs parameter
if stats_module.name == "r.univar":
stats_module.inputs.nprocs = 1

stats_module.inputs.map = id
if rast_region and (stats_module.inputs.zones or stats_module.name == "r3.univar"):
Expand Down
Loading