What are the best practices for benchmarking in C++14?

What are the best practices for benchmarking in C++14?

When benchmarking in C++14, it's important to ensure that your tests are accurate and reliable. Use high-resolution timers, avoid compiler optimizations, and run benchmarks multiple times to get consistent results.

How can I avoid compiler optimizations during benchmarking?

You can avoid compiler optimizations by using specific flags like -O0 for GCC or Clang, which disables optimizations. Additionally, you can use the volatile keyword to prevent the compiler from optimizing away certain variables.

What tools can I use for benchmarking in C++?

Some popular tools for benchmarking in C++ include Google Benchmark, Catch2, and Boost.Test. These libraries provide frameworks to write and run benchmarks easily.

How do I interpret the results of my benchmarks?

Interpreting benchmark results involves looking at the average time taken, the standard deviation, and comparing results across different implementations or algorithms to determine which is more efficient.