Enable parallelism

.github/workflows/ci-minimal.yml

@@ -34,7 +34,7 @@ jobs:
       shell: bash -l {0}
       run: |
         mamba install typing_extensions!=4.2 pytest
-        mamba install pip numpy==1.17 scipy==1.0 numba==0.41
+        mamba install pip numpy==1.17 scipy==1.0 numba==0.47
 
     - name: Install
       shell: bash -l {0}

resampy/interpn.py

@@ -1,10 +1,17 @@
 #!/usr/bin/env python
 '''Numba implementation of resampler'''
 
+import os
 import numba
 
 
-@numba.jit(nopython=True, nogil=True)
+if os.environ.get('RESAMPY_PARALLEL', '').lower() in {'0', 'off', 'false', 'no'}:
+    _ENABLE_JIT_PARALLEL = False
+else:
+    _ENABLE_JIT_PARALLEL = True
+
+
+@numba.jit(nopython=True, nogil=True, parallel=_ENABLE_JIT_PARALLEL)
 def resample_f(x, y, t_out, interp_win, interp_delta, num_table, scale=1.0):
 
     index_step = int(scale * num_table)

setup.cfg

@@ -39,7 +39,7 @@ install_package_data = True
 python_requires >= 3.6
 install_requires =
     numpy>=1.17
-    numba>=0.41
+    numba>=0.47
 
 [options.package_data]
 resampy = data/*