Kyle Stanley aeros

@python Core Developer

aeros / ppe_deadlock.py

Last active January 22, 2020 05:08

	"""Warning: executor.shutdown(wait=False) causes deadlocks for instances of
	concurrent.futures.ProcessPoolExecutor.

	Not intended for usage outside of debugging and demonstration purposes.
	Tested on Python 3.7.6 and 3.8.1.
	"""

	import concurrent.futures as cf
	import time

aeros / show_shutdown_executor_futures.py

Last active January 22, 2020 05:42

	"""Requires
	https://github.com/aeros/cpython/tree/bpo39349-add-cancel_futures-to-Executor.shutdown.
	See https://github.com/python/cpython/pull/18057 for details.
	"""

	import concurrent.futures as cf
	import time


	def wait_return(duration, result):

aeros / get_size.py

Last active November 14, 2019 08:37

Get the size of an object.

aeros / threadpool.py

Last active November 4, 2019 12:10

asyncio.ThreadPool prototype implementation and demo

	# Authored by: Kyle Stanley (https://github.com/aeros)

	import asyncio
	import concurrent.futures
	import threading
	import functools
	import weakref
	import os

	# Only needed for demo.

aeros / asyncio_get_loop_bench.py

Last active October 17, 2019 07:44

Benchmark to compare the performance of asyncio.get_running_loop() and asyncio.get_event_loop() within a coroutine.

	import asyncio
	import time

	total_tests = 10_000_000

	async def test_get_running_loop():
	return asyncio.get_running_loop()

	async def test_get_event_loop():
	return asyncio.get_event_loop()

aeros / frozenmap_construction_bench.py

Last active November 14, 2019 08:36

Construction time benchmark for frozenmap (immutables.Map)

	"""Created for the purpose of comparing the construction time
	between ``dict``, ``ChainMap``, and the proposed ``frozenmap`` in PEP-603.
	"""

	import sys
	import time
	import collections

	import immutables