39 lines
1.0 KiB
Python
39 lines
1.0 KiB
Python
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import numpy as np
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from numba import cuda
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from numba.cuda.testing import unittest, CUDATestCase
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class TestCudaEvent(CUDATestCase):
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def test_event_elapsed(self):
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N = 32
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dary = cuda.device_array(N, dtype=np.double)
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evtstart = cuda.event()
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evtend = cuda.event()
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evtstart.record()
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cuda.to_device(np.arange(N, dtype=np.double), to=dary)
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evtend.record()
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evtend.wait()
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evtend.synchronize()
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# Exercise the code path
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evtstart.elapsed_time(evtend)
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def test_event_elapsed_stream(self):
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N = 32
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stream = cuda.stream()
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dary = cuda.device_array(N, dtype=np.double)
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evtstart = cuda.event()
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evtend = cuda.event()
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evtstart.record(stream=stream)
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cuda.to_device(np.arange(N, dtype=np.double), to=dary, stream=stream)
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evtend.record(stream=stream)
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evtend.wait(stream=stream)
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evtend.synchronize()
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# Exercise the code path
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evtstart.elapsed_time(evtend)
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if __name__ == '__main__':
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unittest.main()
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