Results Debian Time [us] Speed Type 344588 1 std::allocator 301716 1.14 allocator::mallocator 62831 5.48 allocator::universal_allocator 60555 5.69 allocator::universal_allocator<int, 6, 4194304, allocator::mallocator> 57093 6.04 allocator::block_adaptor 56513 6.1 allocator::block_adaptor<int, 4194304, allocator::mallocator> Windows Time [us] Speed Type 766740 1 class std::allocator 738434 1.04 struct allocator::mallocator 89338 8.58 struct allocator::universal_allocator<int,6,4194304,class std::allocator> 98753 7.76 struct allocator::universal_allocator<int,6,4194304,struct allocator::mallocator> 87307 8.78 struct allocator::block_adaptor<int,4194304,class std::allocator> 91747 8.36 struct allocator::block_adaptor<int,4194304,struct allocator::mallocator>