Slower than Python

deadalnix deadalnix at gmail.com
Sun Mar 3 19:58:07 PST 2013


On Monday, 4 March 2013 at 03:20:57 UTC, jerro wrote:
>> Maybe it is time to look at the python implementation and see 
>> why it is faster.
>
> It isn't faster:
>
> $ time python3 test.py
>
> real    0m14.217s
> user    0m14.209s
> sys     0m0.004s
> $ gdmd -O -inline -release -noboundscheck test
> $ time ./test
>
> real    0m5.323s
> user    0m5.312s
> sys     0m0.008s
>
> D code here uses the same string as the python code, not the 
> one in cvk012c's D code.

Using noboundcheck isn't fair as you give up on safety, so you 
are not equivalent to python either.


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