Measuring (empty) container sizes for your C++ STL platform
Results measured so far:
using namespace std; sizeof(container)
| Container | MSVC 2015 x86 Debug | MSVC 2015 x86 Release | MSVC 2015 x64 Debug | MSVC 2015 x86 Release |
|---|---|---|---|---|
| array<uint32_t, 0> | 1 | 1 | 1 | 1 |
| array<uint8_t, 0> | 4 | 4 | 4 | 4 |
| array<uint32_t, 1> | 1 | 1 | 1 | 1 |
| array<uint8_t, 1> | 4 | 4 | 4 | 4 |
| array<uint8_t, 10> | 10 | 10 | 10 | 10 |
| vector<uint8_t> | 16 | 12 | 32 | 24 |
| vector<uint32_t> | 16 | 12 | 32 | 24 |
| vector<uint32_t[5'000]> | 16 | 12 | 32 | 24 |
| deque<uint8_t> | 20 | 20 | 40 | 40 |
| deque<uint32_t> | 20 | 20 | 40 | 40 |
| deque<uint32_t[5'000]> | 20 | 20 | 40 | 40 |
| string | 28 | 24 | 40 | 32 |
| list<int8_t> | 12 | 8 | 24 | 16 |
| list<int32_t> | 12 | 8 | 24 | 16 |
| map<int8_t, int8_t> | 12 | 8 | 24 | 16 |
| map<int32_t, int32_t> | 12 | 8 | 24 | 16 |
| set<int8_t, int8_t> | 12 | 8 | 24 | 16 |
| set<int32_t, int32_t> | 12 | 8 | 24 | 16 |
| unordered_map<int8_t, int8_t> | 40 | 32 | 80 | 64 |
| unordered_map<int32_t, int32_t> | 40 | 32 | 80 | 64 |
| unordered_set<int8_t, int8_t> | 40 | 32 | 80 | 64 |
| unordered_set<int32_t, int32_t> | 40 | 32 | 80 | 64 |
Add result from another compiler bellow.