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Replace default asyncio by uvloop when available #821

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Replace default asyncio by uvloop when available #821

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945ba41
Install at import time uvloop when available
pentschev Dec 1, 2021
6145c68
Replace assertion by no-op in BlockingMode fd reader callback
pentschev Dec 1, 2021
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8 changes: 8 additions & 0 deletions ucp/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,14 @@
logger = get_ucxpy_logger()


try:
import uvloop

uvloop.install()
except ImportError:
pass
Comment on lines +44 to +49
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@jakirkham jakirkham Dec 2, 2021

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Per Jim's comment, perhaps this should be moved to the benchmarking script instead?



__version__ = _get_versions()["version"]
__ucx_version__ = "%d.%d.%d" % get_ucx_version()

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3 changes: 2 additions & 1 deletion ucp/continuous_ucx_progress.py
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Expand Up @@ -82,7 +82,8 @@ def _fd_reader_callback(self):

# Notice, we can safely overwrite `self.dangling_arm_task`
# since previous arm task is finished by now.
assert self.asyncio_task is None or self.asyncio_task.done()
if self.asyncio_task is None or self.asyncio_task.done():
return
self.asyncio_task = self.event_loop.create_task(self._arm_worker())

async def _arm_worker(self):
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