Make multithreading the default mode

pysr/sr.py

@@ -133,7 +133,7 @@ def pysr(
     denoise=False,
     Xresampled=None,
     precision=32,
-    multithreading=False,
+    multithreading=True,
 ):
     """Run symbolic regression to fit f(X[i, :]) ~ y[i] for all i.
     Note: most default parameters have been tuned over several example

setup.py

@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="pysr",
-    version="0.6.13",
+    version="0.6.14",
     author="Miles Cranmer",
     author_email="[email protected]",
     description="Simple and efficient symbolic regression",

test/test.py

@@ -26,10 +26,10 @@ class TestPipeline(unittest.TestCase):
         print(equations)
         self.assertLessEqual(equations.iloc[-1]["MSE"], 1e-4)
 
-    def test_threading(self):
+    def test_multiprocessing(self):
         y = self.X[:, 0]
         equations = pysr(
-            self.X, y, **self.default_test_kwargs, procs=2, multithreading=True
+            self.X, y, **self.default_test_kwargs, procs=2, multithreading=False
         )
         print(equations)
         self.assertLessEqual(equations.iloc[-1]["MSE"], 1e-4)