Debugging reason for python running unreasonably slow when adding numbers
Peter J. Holzer
hjp-python at hjp.at
Sat Mar 18 08:20:42 EDT 2023
On 2023-03-15 17:09:52 +0000, Weatherby,Gerard wrote:
> Sum is faster than iteration in the general case.
I'd say this is the special case, not the general case.
> def sum1():
> s = 0
> for i in range(1000000):
> s += i
> return s
>
> def sum2():
> return sum(range(1000000))
Here you already have the numbers you want to add.
The OP needed to compute those numbers first.
hp
--
_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | hjp at hjp.at | -- Charles Stross, "Creative writing
__/ | http://www.hjp.at/ | challenge!"
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