reduced default number of cpus to 3

oslocyclotronlab · Jan 16, 2020 · e9f5895 · e9f5895
1 parent ba8971a
commit e9f5895
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Showing 3 changed files with 362 additions and 362 deletions.
diff --git a/notebooks/getting_started.ipynb b/notebooks/getting_started.ipynb
diff --git a/ompy/ensemble.py b/ompy/ensemble.py
@@ -93,7 +93,7 @@ class Ensemble:
         action_firstgen (Action[Matrix]): An arbitrary action to apply to each
             generated firstgen matrix. Defaults to NOP.
         nprocesses (int): Number of processes for multiprocessing.
-            Defaults to number of available cpus.
+            Defaults to number of available cpus-1 (with mimimum 1).
         seed (int): Random seed for reproducibility of results
 
 
@@ -144,7 +144,7 @@ def __init__(self, raw: Optional[Matrix] = None,
         self.firstgen_ensemble: Optional[Matrix] = None
 
         self.seed: int = 987654
-        self.nprocesses: int = cpu_count()
+        self.nprocesses: int = cpu_count()-1 if cpu_count() > 1 else 1
 
         if path is not None:
             self.path = Path(path)

diff --git a/ompy/ensembleNormalizer.py b/ompy/ensembleNormalizer.py
@@ -56,8 +56,8 @@ class EnsembleNormalizer:
         normalizer_gsf (NormalizerGSF): NormalizerGSF instance
         normalizer_simultan (NormalizerSimultan): NormalizerSimultan instance
         res (List[ResultsNormalized]): List of the results
-        nprocesses (int, optional): Number of processes for multiprocessing.
-            Defaults to number of available cpus.
+        nprocesses (int): Number of processes for multiprocessing.
+            Defaults to number of available cpus-1 (with mimimum 1).
     """
 
     def __init__(self, *, extractor: Extractor,
@@ -79,7 +79,7 @@ def __init__(self, *, extractor: Extractor,
 
         self.normalizer_simultan = normalizer_simultan
 
-        self.nprocesses: int = cpu_count()
+        self.nprocesses: int = cpu_count()-1 if cpu_count() > 1 else 1
 
         self.res: Optional[List[ResultsNormalized]] = None