Howard Hinnant
28dbbe0596
Dave Zarzycki showed how the efficiency of shared_ptr could be significantly
increased. The following program is running 49% faster: #include <iostream> #include <memory> #include <chrono> #include <vector> #include "chrono_io" int main() { typedef std::chrono::high_resolution_clock Clock; Clock::time_point t0 = Clock::now(); { std::shared_ptr<int> p(new int (1)); std::vector<std::shared_ptr<int> > v(1000000, p); v.insert(v.begin(), p); v.insert(v.begin(), p); v.insert(v.begin(), p); v.insert(v.begin(), p); } Clock::time_point t1 = Clock::now(); std::cout << (t1-t0) << '\n'; } git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119388 91177308-0d34-0410-b5e6-96231b3b80d8
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