Why is lambda so slow?

[Erik Max Francis]

Tyler Eaves wrote:

> Seems pretty slow to me.
> 
> Doing that with a trandional function is MUCH faster.

I think if you defined what you meant by "traditional function" we could
get to the heart of the matter pretty quickly.

Using lambda x, y: x + y is going to be slower than using using
operator.add, since the former is an all-Python solution but the latter
is implemented in C.  But using f = lambda x, y: x = y isn't going to be
much slower than def f(x, y): return x + y.

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