Created
October 28, 2016 16:48
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Python multiprocessing.Queue sucks
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zmq: 2.904726 | |
queue: 12.812472 |
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from threading import Thread | |
from time import time | |
from multiprocessing import Queue | |
import zmq | |
def inproc(sock): | |
while True: | |
d = sock.recv_pyobj() | |
if not d: | |
break | |
sock.close() | |
def queue(q): | |
while True: | |
d = q.get() | |
if not d: | |
break | |
def test_inproc(): | |
ctx = zmq.Context() | |
pull = ctx.socket(zmq.PULL) | |
pull.bind('inproc://worker') | |
worker = Thread(target=inproc, args=(pull,)) | |
worker.start() | |
push = ctx.socket(zmq.PUSH) | |
push.connect('inproc://worker') | |
t0 = time() | |
for i in range(1000000): | |
push.send_pyobj(b'q') | |
push.send_pyobj(b'') | |
push.close() | |
worker.join() | |
ctx.term() | |
print("zmq: %f" % (time() - t0)) | |
def test_queue(): | |
q = Queue() | |
worker = Thread(target=queue, args=(q,)) | |
worker.start() | |
t0 = time() | |
for i in range(1000000): | |
q.put(b'q') | |
q.put(b'') | |
worker.join() | |
print("queue: %f" % (time() - t0)) | |
if __name__ == "__main__": | |
test_inproc() | |
test_queue() |
mosquito
commented
Dec 25, 2017
•
In [1]: import asyncio
...: from time import time
...:
...: loop = asyncio.get_event_loop()
...:
...:
...: async def queue(q):
...: while True:
...: d = await q.get()
...: q.task_done()
...:
...: if not d:
...: break
...:
...: async def test_queue():
...: q = asyncio.Queue()
...: loop.create_task(queue(q))
...:
...: t0 = time()
...: for i in range(1000000):
...: q.put_nowait(b'q')
...: q.put_nowait(b'')
...: print("published: %f" % (time() - t0))
...:
...: await q.join()
...: print("queue: %f" % (time() - t0))
...:
...: loop.run_until_complete(test_queue())
...:
published: 1.296258
queue: 2.956034
In [2]: import asyncio
...: from time import time
...: import uvloop
...:
...: asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
...: loop = asyncio.get_event_loop()
...:
...:
...: async def queue(q):
...: while True:
...: d = await q.get()
...: q.task_done()
...:
...: if not d:
...: break
...:
...: async def test_queue():
...: q = asyncio.Queue()
...: loop.create_task(queue(q))
...:
...: t0 = time()
...: for i in range(1000000):
...: q.put_nowait(b'q')
...: q.put_nowait(b'')
...: print("published: %f" % (time() - t0))
...:
...: await q.join()
...: print("queue: %f" % (time() - t0))
...:
...: loop.run_until_complete(test_queue())
...:
published: 1.352311
queue: 3.058588
с uvloop на маке немножко дольше даже
норм... а zmq и multiprocessing.Queue запусти чтоб на одном железе сравнить?
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