Aysyncio memory benchmark for ensure_future vs create_task background coroutines

asyncio_background_benchmark.py

import asyncio

from memory_profiler import profile

SIZE = 100000


@profile
async def ensure_test():
    loop = asyncio.get_running_loop()
    tasks = [asyncio.ensure_future(asyncio.sleep(.1), loop=loop) for i in range(SIZE)]
    await asyncio.sleep(0.1)
    await asyncio.gather(*tasks)


@profile
async def task_test():
    tasks = [asyncio.create_task(asyncio.sleep(.1)) for i in range(SIZE)]
    await asyncio.sleep(0.1)
    await asyncio.gather(*tasks)


if __name__ == '__main__':
    asyncio.run(ensure_test())
    asyncio.run(task_test())

run.sh

pip install memory-profiler
python -m memory_profiler asyncio_background_benchmark.py