为什么一些浮动 < 整数比较比其他人慢四倍?

Why are some float < integer comparisons four times slower than others?

python performance floating-point cpython python-internals
提问时间: 2015-05-07 12:11:08

为什么是 'x' ('x',) 比 'x' 快 = = 'x'?

Why is 'x' in ('x',) faster than 'x' == 'x'?

python performance python-3.x python-internals
提问时间: 2015-03-05 18:29:58

time.sleep — 休眠线程还是进程?

time.sleep — sleeps thread or process?

python multithreading time sleep python-internals
提问时间: 2008-09-18 14:16:45

为什么会在这样高的速度在 Python 3 range(1000000000000001) 1000000000000000?

Why is 1000000000000000 in range(1000000000000001) so fast in Python 3?

python performance python-3.x range python-internals
提问时间: 2015-05-06 15:32:43

@Property 修饰器是如何工作的?

How does the @property decorator work?

python properties decorator python-internals
提问时间: 2013-06-26 20:47:15