125 lines
4.4 KiB
Python
125 lines
4.4 KiB
Python
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import unittest
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from numba import njit
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from numba.tests.support import TestCase, override_config
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from numba.misc import llvm_pass_timings as lpt
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timings_raw1 = """
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===-------------------------------------------------------------------------===
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... Pass execution timing report ...
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===-------------------------------------------------------------------------===
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Total Execution Time: 0.0001 seconds (0.0001 wall clock)
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---User Time--- --System Time-- --User+System-- ---Wall Time--- --- Name ---
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0.0001 ( 90.1%) 0.0001 ( 90.1%) 0.0001 ( 90.1%) 0.0001 ( 90.1%) A1
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0.0000 ( 9.9%) 0.0000 ( 9.9%) 0.0000 ( 9.9%) 0.0000 ( 9.9%) A2
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0.0001 (100.0%) 0.0001 (100.0%) 0.0001 (100.0%) 0.0001 (100.0%) Total
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""" # noqa: E501
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timings_raw2 = """
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===-------------------------------------------------------------------------===
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... Pass execution timing report ...
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===-------------------------------------------------------------------------===
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Total Execution Time: 0.0001 seconds (0.0001 wall clock)
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---User Time--- --System Time-- --User+System-- ---Wall Time--- --- Name ---
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0.0001 ( 90.1%) ----- 0.0001 ( 90.1%) 0.0001 ( 90.1%) A1
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0.0000 ( 9.9%) ----- 0.0000 ( 9.9%) 0.0000 ( 9.9%) A2
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0.0001 (100.0%) ----- 0.0001 (100.0%) 0.0001 (100.0%) Total
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""" # noqa: E501
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class TestLLVMPassTimings(TestCase):
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def test_usage(self):
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@njit
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def foo(n):
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c = 0
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for i in range(n):
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c += i
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return c
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with override_config('LLVM_PASS_TIMINGS', True):
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foo(10)
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md = foo.get_metadata(foo.signatures[0])
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timings = md['llvm_pass_timings']
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# Check: timing is of correct type
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self.assertIsInstance(timings, lpt.PassTimingsCollection)
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# Check: basic for __str__
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text = str(timings)
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self.assertIn("Module passes (full optimization)", text)
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# Check: there must be more than one record
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self.assertGreater(len(timings), 0)
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# Check: __getitem__
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last = timings[-1]
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self.assertIsInstance(last, lpt.NamedTimings)
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# Check: NamedTimings
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self.assertIsInstance(last.name, str)
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self.assertIsInstance(last.timings, lpt.ProcessedPassTimings)
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def test_analyze(self):
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@njit
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def foo(n):
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c = 0
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for i in range(n):
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for j in range(i):
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c += j
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return c
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with override_config('LLVM_PASS_TIMINGS', True):
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foo(10)
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md = foo.get_metadata(foo.signatures[0])
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timings_collection = md['llvm_pass_timings']
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# Check: get_total_time()
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self.assertIsInstance(timings_collection.get_total_time(), float)
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# Check: summary()
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self.assertIsInstance(timings_collection.summary(), str)
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# Check: list_longest_first() ordering
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longest_first = timings_collection.list_longest_first()
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self.assertEqual(len(longest_first), len(timings_collection))
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last = longest_first[0].timings.get_total_time()
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for rec in longest_first[1:]:
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cur = rec.timings.get_total_time()
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self.assertGreaterEqual(last, cur)
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cur = last
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def test_parse_raw(self):
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timings1 = lpt.ProcessedPassTimings(timings_raw1)
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self.assertAlmostEqual(timings1.get_total_time(), 0.0001)
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self.assertIsInstance(timings1.summary(), str)
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timings2 = lpt.ProcessedPassTimings(timings_raw2)
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self.assertAlmostEqual(timings2.get_total_time(), 0.0001)
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self.assertIsInstance(timings2.summary(), str)
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class TestLLVMPassTimingsDisabled(TestCase):
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def test_disabled_behavior(self):
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@njit
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def foo(n):
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c = 0
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for i in range(n):
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c += i
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return c
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with override_config('LLVM_PASS_TIMINGS', False):
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foo(10)
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md = foo.get_metadata(foo.signatures[0])
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timings = md['llvm_pass_timings']
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# Check that the right message is returned
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self.assertEqual(timings.summary(), "No pass timings were recorded")
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# Check that None is returned
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self.assertIsNone(timings.get_total_time())
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# Check that empty list is returned
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self.assertEqual(timings.list_longest_first(), [])
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if __name__ == "__main__":
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unittest.main()
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