This page states that it uses std::clock() to get the time, which has 1ms resolution, which I would like better than, if possible. This old page: http://unitedsoft.ch ...

The computer security vulnerabilities Meltdown and Spectre can infer protected information based on subtle differences in hardware behavior. It takes less time to access data that has been cached ...

In many applications, 32-bit resolution is required to measure external signals with long periods (up to several hundreds of seconds), or to generate delays or periodic signals with similar periods.