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Merge pull request #1729 from dvolodin7/patch-1 

_Timeout.__lt__ speedup
This commit is contained in:
Ben Darnell 2016-05-28 13:01:37 -04:00
parent dcc03a207d fb639dc79e
commit c26ccd97af
1 changed files with 4 additions and 6 deletions
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10
tornado/ioloop.py
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@ -966,26 +966,24 @@ class _Timeout(object):
"""An IOLoop timeout, a UNIX timestamp and a callback""" """An IOLoop timeout, a UNIX timestamp and a callback"""
# Reduce memory overhead when there are lots of pending callbacks # Reduce memory overhead when there are lots of pending callbacks
__slots__ = ['deadline', 'callback', 'tiebreaker'] __slots__ = ['deadline', 'callback', 'tdeadline']
def __init__(self, deadline, callback, io_loop): def __init__(self, deadline, callback, io_loop):
if not isinstance(deadline, numbers.Real): if not isinstance(deadline, numbers.Real):
raise TypeError("Unsupported deadline %r" % deadline) raise TypeError("Unsupported deadline %r" % deadline)
self.deadline = deadline self.deadline = deadline
self.callback = callback self.callback = callback
self.tiebreaker = next(io_loop._timeout_counter) self.tdeadline = (deadline, next(io_loop._timeout_counter))
# Comparison methods to sort by deadline, with object id as a tiebreaker # Comparison methods to sort by deadline, with object id as a tiebreaker
# to guarantee a consistent ordering. The heapq module uses __le__ # to guarantee a consistent ordering. The heapq module uses __le__
# in python2.5, and __lt__ in 2.6+ (sort() and most other comparisons # in python2.5, and __lt__ in 2.6+ (sort() and most other comparisons
# use __lt__). # use __lt__).
def __lt__(self, other): def __lt__(self, other):
return ((self.deadline, self.tiebreaker) < return self.tdeadline < other.tdeadline
(other.deadline, other.tiebreaker))
def __le__(self, other): def __le__(self, other):
return ((self.deadline, self.tiebreaker) <= return self.tdeadline <= other.tdeadline
(other.deadline, other.tiebreaker))
class PeriodicCallback(object): class PeriodicCallback(object):