Old problem with performance

[Weed]

Weed пишет:
> Daniel Keep пишет:
>> Weed wrote:
>>> [snip]
>> If I had to take a guess, I'd say that it's six times slower because
>> you're performing 100 million allocations.  You aren't benchmarking
>> class/struct overhead, you're benchmarking the overhead of doing 100
>> million allocations.
>>
>> You're comparing apples and heffalumps.
> 
> Yes, but problem is that D does not leave  way to create a class
> instance without allocation

I should explain that I compare not only structs and classes in D but
also classes in C++, there classes work as fast as well as structures in
case of usage of overload of operators.