switch to fork so that the expensive lsst environment isn't re-import…

…ed in every subprocess
LSSTDESC · Sep 25, 2019 · 629eaf0 · 629eaf0
1 parent ba9c13e
commit 629eaf0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/python/desc/imsim/atmPSF.py b/python/desc/imsim/atmPSF.py
@@ -104,7 +104,7 @@ def __init__(self, airmass, rawSeeing, band, rng,
         self.screen_scale = screen_scale
         self.logger = logger
 
-        ctx = multiprocessing.get_context('spawn')
+        ctx = multiprocessing.get_context('fork')
         self.atm = galsim.Atmosphere(mp_context=ctx, **self._getAtmKwargs())
         self.aper = galsim.Aperture(diam=8.36, obscuration=0.61,
                                     lam=self.wlen_eff, screen_list=self.atm)