[issue22127] performance regression in socket getsockaddrarg()
Charles-François Natali
report at bugs.python.org
Mon Aug 4 09:50:33 CEST 2014
Charles-François Natali added the comment:
> Note that even the bytes version is still quite slow. UDP is used for light-weight protocols where you may send thousands or more messages per second. I'd be curious what the sendto() performance is in raw C.
Ah, I wouldn't rely on the absolyte values, my computer is *slow*.
On a more recent machine, I get this:
100000 loops, best of 3: 8.82 usec per loop
Whereas a C loop gives a 4usec per loop.
> "Abc" is a bytes string in Python 2 and an Unicode string in Python 3.
Sure, but why do getaddrinfo() and gethostbyname() return strings then?
This means that someone using:
addr = getaddrinfo(...)
sendto(DATA, addr)
Will pay the idna encoding upon every call to sendto().
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<http://bugs.python.org/issue22127>
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