Changed keyword defaults for propagator_operator.

Added multithreading to fftw module.

operators/nifty_operators.py

@@ -3387,8 +3387,8 @@ class propagator_operator(operator):
             raise ValueError(about._errors.cstring(
                 "ERROR: At least M or N must be given."))
 
-    def _multiply(self, x, W=None, spam=None, reset=None, note=False,
-                  x0=None, tol=1E-4, clevel=1, limii=None, **kwargs):
+    def _multiply(self, x, W=None, spam=None, reset=None, note=True,
+                  x0=None, tol=1E-3, clevel=1, limii=None, **kwargs):
 
         if W is None:
             W = self.S

rg/nifty_fft.py

@@ -3,7 +3,7 @@
 import numpy as np
 from d2o import distributed_data_object
 from nifty.config import dependency_injector as gdi
-
+import os
 pyfftw = gdi.get('pyfftw')
 gfft = gdi.get('gfft')
 gfft_dummy = gdi.get('gfft_dummy')
@@ -388,6 +388,7 @@ class _fftw_plan_and_info(object):
                 output_dtype=self.output_dtype,
                 direction=self.direction,
                 flags=["FFTW_ESTIMATE"],
+                threads=int(os.environ['MY_FFTW_THREADS']),
                 **kwargs)
         )