55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
import multiprocessing as mp
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import traceback
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from numba.cuda.testing import unittest, CUDATestCase
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from numba.cuda.testing import (skip_on_cudasim, skip_under_cuda_memcheck,
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skip_if_mvc_libraries_unavailable)
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from numba.tests.support import linux_only
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def child_test():
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from numba import config, cuda
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# Change the MVC config after importing numba.cuda
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config.CUDA_ENABLE_MINOR_VERSION_COMPATIBILITY = 1
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@cuda.jit
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def f():
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pass
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f[1, 1]()
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def child_test_wrapper(result_queue):
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try:
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output = child_test()
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success = True
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# Catch anything raised so it can be propagated
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except: # noqa: E722
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output = traceback.format_exc()
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success = False
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result_queue.put((success, output))
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@linux_only
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@skip_under_cuda_memcheck('May hang CUDA memcheck')
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@skip_on_cudasim('Simulator does not require or implement MVC')
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@skip_if_mvc_libraries_unavailable
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class TestMinorVersionCompatibility(CUDATestCase):
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def test_mvc(self):
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# Run test with Minor Version Compatibility enabled in a child process
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ctx = mp.get_context('spawn')
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result_queue = ctx.Queue()
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proc = ctx.Process(target=child_test_wrapper, args=(result_queue,))
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proc.start()
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proc.join()
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success, output = result_queue.get()
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# Ensure the child process ran to completion before checking its output
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if not success:
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self.fail(output)
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if __name__ == '__main__':
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unittest.main()
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