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auxdata.dem_create: temporarily disable multithreading #372

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auxdata.dem_create: temporarily disable multithreading #372

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316c9c4
[auxdata.dem_create] modify GDAL_NUM_THREADS when threads==1
johntruckenbrodt Dec 9, 2025
54182aa
[auxdata.dem_create] temporarily disable multithreading
johntruckenbrodt Dec 9, 2025
6610aca
Merge branch 'main' of https://github.com/johntruckenbrodt/pyroSAR in…
johntruckenbrodt Dec 9, 2025
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6 changes: 6 additions & 0 deletions pyroSAR/auxdata.py
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Original file line number Diff line number Diff line change
Expand Up @@ -332,6 +332,7 @@ def dem_create(src, dst, t_srs=None, tr=None, threads=None,
elif isinstance(threads, int):
if threads == 1:
multithread = False
gdal.SetConfigOption('GDAL_NUM_THREADS', str(threads))
elif threads > 1:
multithread = True
gdal.SetConfigOption('GDAL_NUM_THREADS', str(threads))
Expand All @@ -342,6 +343,11 @@ def dem_create(src, dst, t_srs=None, tr=None, threads=None,
else:
raise TypeError("'threads' must be of type int, str or None. Is: {}".format(type(threads)))

if threads not in [1, None]:
log.info('Multithreading of computations is temporarily disabled. '
'See https://github.com/OSGeo/gdal/issues/13464.')
gdal.SetConfigOption('GDAL_NUM_THREADS', '1')

gdalwarp_args = {'format': 'GTiff', 'multithread': multithread,
'srcNodata': nodata, 'dstNodata': nodata,
'srcSRS': 'EPSG:{}'.format(epsg_in),
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