How is set() implemented?
I’ve seen people say that set objects in python have O(1) membership-checking. How are they implemented internally to allow this? What sort of … Read more
cpython
Why are some float < integer comparisons four times slower than others?
When comparing floats to integers, some pairs of values take much longer to be evaluated than other values of a similar magnitude. For … Read more
Python vs Cpython
What’s all this fuss about Python and CPython (Jython,IronPython), I don’t get it: python.org mentions that CPython is: The “traditional” implementation of Python … Read more
Why shouldn’t I use PyPy over CPython if PyPy is 6.3 times faster?
I’ve been hearing a lot about the PyPy project. They claim it is 6.3 times faster than the CPython interpreter on their site. … Read more
Why does Python code run faster in a function?
def main(): for i in xrange(10**8): pass main() This piece of code in Python runs in (Note: The timing is done with the … Read more