98 lines
2.7 KiB
Python
98 lines
2.7 KiB
Python
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"""
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Test threadsafety for compiler.
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These tests will cause segfault if fail.
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"""
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import threading
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import random
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import numpy as np
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from numba import jit, vectorize, guvectorize
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from numba.tests.support import temp_directory, override_config
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from numba.core import config
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import unittest
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def foo(n, v):
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return np.ones(n)
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def ufunc_foo(a, b):
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return a + b
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def gufunc_foo(a, b, out):
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out[0] = a + b
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class TestThreadSafety(unittest.TestCase):
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def run_jit(self, **options):
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def runner():
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cfunc = jit(**options)(foo)
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return cfunc(4, 10)
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return runner
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def run_compile(self, fnlist):
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self._cache_dir = temp_directory(self.__class__.__name__)
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with override_config('CACHE_DIR', self._cache_dir):
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def chooser():
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for _ in range(10):
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fn = random.choice(fnlist)
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fn()
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ths = [threading.Thread(target=chooser)
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for i in range(4)]
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for th in ths:
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th.start()
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for th in ths:
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th.join()
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def test_concurrent_jit(self):
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self.run_compile([self.run_jit(nopython=True)])
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def test_concurrent_jit_cache(self):
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self.run_compile([self.run_jit(nopython=True, cache=True)])
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def run_vectorize(self, **options):
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def runner():
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cfunc = vectorize(['(f4, f4)'], **options)(ufunc_foo)
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a = b = np.random.random(10).astype(np.float32)
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return cfunc(a, b)
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return runner
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def test_concurrent_vectorize(self):
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self.run_compile([self.run_vectorize(nopython=True)])
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def test_concurrent_vectorize_cache(self):
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self.run_compile([self.run_vectorize(nopython=True, cache=True)])
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def run_guvectorize(self, **options):
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def runner():
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sig = ['(f4, f4, f4[:])']
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cfunc = guvectorize(sig, '(),()->()', **options)(gufunc_foo)
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a = b = np.random.random(10).astype(np.float32)
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return cfunc(a, b)
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return runner
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def test_concurrent_guvectorize(self):
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self.run_compile([self.run_guvectorize(nopython=True)])
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def test_concurrent_guvectorize_cache(self):
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self.run_compile([self.run_guvectorize(nopython=True, cache=True)])
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def test_concurrent_mix_use(self):
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self.run_compile([self.run_jit(nopython=True, cache=True),
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self.run_jit(nopython=True),
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self.run_vectorize(nopython=True, cache=True),
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self.run_vectorize(nopython=True),
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self.run_guvectorize(nopython=True, cache=True),
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self.run_guvectorize(nopython=True)])
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if __name__ == '__main__':
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unittest.main()
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