Atila Neves: "C IS NOT MAGICALLY FAST, PART 2"
bigsandwich via Digitalmars-d
digitalmars-d at puremagic.com
Tue Jul 19 07:36:47 PDT 2016
On Tuesday, 19 July 2016 at 10:07:11 UTC, Atila Neves wrote:
> On Tuesday, 19 July 2016 at 02:54:37 UTC, Saurabh Das wrote:
>>
>> Posted on Atila's blog yesterday:
>>
>> https://atilanevesoncode.wordpress.com/2016/07/18/c-is-not-magically-fast-part-2/
>
> So, about D vs C++ there... last night for reasons I forget I
> tried replacing std::string with const char* in the C++
> version, and then it got faster than D. I don't know why.
>
> At first I thought std::string was being copied instead of
> being moved, but some static_asserts made me doubt that. Either
> way, there's no good reason I can think of for C++ to magically
> speed up for const char*. Hmm :(
>
> Atila
C++ Swap may be specialized for POD.
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