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asyncio getaddrinfo benchmark
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# Test BaseEventLoop.getaddrinfo performance, before and after my commit 39c135b | |
# Try a variety of getaddrinfo parameters and log the duration of 10k calls | |
import socket | |
import time | |
from asyncio import get_event_loop | |
try: | |
from asyncio.base_events import _ipaddr_info | |
except ImportError: | |
_ipaddr_info = None | |
UNSPEC = socket.AF_UNSPEC | |
INET = socket.AF_INET | |
INET6 = socket.AF_INET6 | |
STREAM = socket.SOCK_STREAM | |
DGRAM = socket.SOCK_DGRAM | |
TCP = socket.IPPROTO_TCP | |
UDP = socket.IPPROTO_UDP | |
loop = get_event_loop() | |
def lookup(host=None, port=None, family=0, type=0, proto=0, flags=0): | |
return loop.run_until_complete(loop.getaddrinfo( | |
host, port, family=family, type=type, proto=proto, flags=flags)) | |
print('{:>10} {:>10} {:>10} {:>10} {:>10} {:>7}'.format( | |
'host', 'port', 'family', 'type', 'proto', 'secs')) | |
for info in [ | |
('1.2.3.4', 1, INET, STREAM, TCP), | |
('1.2.3.4', 1, UNSPEC, STREAM, TCP), | |
('1.2.3.4', 1, UNSPEC, DGRAM, UDP), | |
# Socket type STREAM implies TCP protocol. | |
('1.2.3.4', 1, UNSPEC, STREAM, 0), | |
# Socket type DGRAM implies UDP protocol. | |
('1.2.3.4', 1, UNSPEC, DGRAM, 0), | |
# No socket type. | |
('1.2.3.4', 1, UNSPEC, 0, 0), | |
# IPv4 address with family IPv6. | |
('::3', 1, INET6, STREAM, TCP), | |
('::3', 1, UNSPEC, STREAM, TCP), | |
# IPv6 address with zone index. | |
('::3%lo0', 1, INET6, STREAM, TCP), | |
]: | |
start = time.time() | |
for _ in range(100000): | |
if _ipaddr_info: | |
_ipaddr_info.cache_clear() | |
lookup(*info) | |
duration = time.time() - start | |
print('{:>10} {:>10} {:>10} {:>10} {:>10} {:>4.1f}'.format( | |
*(info + (duration,)))) |
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