Re: Length of C++ arrays allocated by operator new[]
Marcel M?ller <news.5.maazl@spamgourmet.org> wrote:
- STL causes the executable size to explode. One disadvantage of
template meta programming over generics.
Why is this urban legend so persistent? People repeat it without actually
trying it.
I just tested with these two programs:
//---------------------------------------------------------
int main()
{
int* array = new int[10000];
for(int i = 0; i < 10000; ++i) array[i] = i;
int value = 0;
for(int i = 0; i < 10000; ++i) value += array[i];
delete[] array;
return value;
}
//---------------------------------------------------------
//---------------------------------------------------------
#include <vector>
int main()
{
std::vector<int> array(10000);
for(int i = 0; i < 10000; ++i) array[i] = i;
int value = 0;
for(int i = 0; i < 10000; ++i) value += array[i];
return value;
}
//---------------------------------------------------------
The size of the first executable? 5104 bytes.
The size of the second executable? 5528 bytes.
Yeah, the size really exploded.
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