Optimize my code =)

bearophile bearophileHUGS at lycos.com
Tue Feb 18 00:50:22 PST 2014

Stanislav Blinov:

>>> LDC yields roughly the same times.
>> This is surprising.
> To me as well. I haven't yet tried to dig deep though.

I have compiled your code with (a single module, 32 bit Windows):

dmd -wi -vcolumns -O -release -inline -noboundscheck matrix3.d
ldmd2 -wi -O -release -inline -noboundscheck matrix3.d


multiplicationTest ...
         Time required: 4 secs, 665 ms, 452 ╬╝s, and 2 hnsecs


multiplicationTest ...
         Time required: 2 secs, 522 ms, and 747 ╬╝s


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