speedup test_listen_and_serv_op #11126
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velconia reviewed Jun 1, 2018
| | ||
| # raise SIGTERM to pserver | ||
| self._raise_signal(os.getpid(), signal.SIGTERM) | ||
| os.kill(pid, signal.SIGINT) |
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Signal shoule be SIGTERM here
| retry_times = self.ps_timeout | ||
| while True: | ||
| time.sleep(1) | ||
| assert retry_times >= 0, "wait ps ready failed" |
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The assert line and the time.sleep(1) line can be exchanged to detect the timeout ealier
typhoonzero reviewed Jun 3, 2018
| # FIXME(Yancey1989): this test would cost much more time on CUDAPlace | ||
| # since load cudnn libraries, so we use a longer timeout to make this | ||
| # unit test stability. | ||
| set_tests_properties(test_listen_and_serv_op PROPERTIES TIMEOUT 30) |
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30 seconds is enough for distributed tests?
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Yes, in this unit test, pserver would be killed when pserver is ready.
| def _wait_ps_ready(self, pid): | ||
| retry_times = self.ps_timeout | ||
| while True: | ||
| time.sleep(1) |
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Can sleep time < 1s and the test will be faster.
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Sure, but the pserver would cost about 1 seconds until become ready. BTW, the most time-consuming place is to load and initialize the cuda libraries.
typhoonzero approved these changes Jun 4, 2018
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Fixed #11127