Hi, I do not know too much about that feature but presented like that this seems indeed that deactivating this by default make sense. Otherwise, we have issue with the loop in this version: ====================================================================== FAIL: test_short_ML5_sm_vs_stored_ML4 (tests.parallel_tests.test_ML5.ML5Test) ---------------------------------------------------------------------- Traceback (most recent call last): File "/Users/omattelaer/Documents/workspace/3.0.2/tests/parallel_tests/test_ML5.py", line 282, in test_short_ML5_sm_vs_stored_ML4 chosen_runner='ML4') File "/Users/omattelaer/Documents/workspace/3.0.2/tests/parallel_tests/test_ML5.py", line 234, in compare_processes my_comp.assert_processes(self, tolerance) File "/Users/omattelaer/Documents/workspace/3.0.2/tests/parallel_tests/loop_me_comparator.py", line 1526, in assert_processes test_object.assertEqual(fail_str, "Failed for processes:") AssertionError: 'Failed for processes:u u~ > d d~ 4.8307135319e+00 -3.4038975349e+005.7713195566e+00 d g > d g 1.1009861074e+01 2.7752500246e+00 5.9735543592e-01 g g > d d~ 9.9155829338e-01 -7.2430527735e+001.3172228006e+00 g g > t t~ 4.8445035533e+01 4.0080931226e+01 9.4481931273e-02 d~ d > g a -1.2494442497e+00-5.3667497832e+006.2230725293e-01 d~ d > g z -1.1932658581e+00-5.3105713960e+006.3305789752e-01 ' != 'Failed for processes:' ====================================================================== FAIL: test_short_ML5_sm_vs_stored_ML5 (tests.parallel_tests.test_ML5.ML5Test) ---------------------------------------------------------------------- Traceback (most recent call last): File "/Users/omattelaer/Documents/workspace/3.0.2/tests/parallel_tests/test_ML5.py", line 274, in test_short_ML5_sm_vs_stored_ML5 chosen_runner='ML5_opt') File "/Users/omattelaer/Documents/workspace/3.0.2/tests/parallel_tests/test_ML5.py", line 234, in compare_processes my_comp.assert_processes(self, tolerance) File "/Users/omattelaer/Documents/workspace/3.0.2/tests/parallel_tests/loop_me_comparator.py", line 1526, in assert_processes test_object.assertEqual(fail_str, "Failed for processes:") AssertionError: 'Failed for processes:u u~ > d d~ 6.7303698120e+00 -1.5042412548e+001.5756617880e+00 d g > d g 1.9336116755e-01 -8.0412499551e+001.0492772446e+00 d~ u~ > d~ u~ 2.7814963527e+01 1.9580352460e+01 1.7374314097e-01 g u~ > g u~ 1.9336107775e-01 -8.0412499551e+001.0492772211e+00 g g > d d~ -1.2158385476e+00-9.4504496097e+007.7202218247e-01 g g > t t~ 4.6281795703e+01 3.7816621085e+01 1.0065795459e-01 g g > g g -1.0185218190e+01-1.8419829702e+012.8787267000e-01 d~ d > g a -2.0657523817e+00-6.1830579151e+004.9913931649e-01 u~ u > g z -2.1407021072e+00-6.2580076405e+004.9023072078e-01 d u~ > w- g -2.0691553635e+00-6.1864608969e+004.9872782401e-01 ' != 'Failed for processes:' ---------------------------------------------------------------------- Ran 2 tests in 1231.280s FAILED (failures=2) test_short_ML5_sm_vs_stored_ML4 test_short_ML5_sm_vs_stored_ML5 only the finite part is not in agreement... Is this expected? (I can not run that tests in 3.0.1 so not sure if this is an old issue or a new one)