Thread safety while looping with OpenMP

Question

I\'m working on a small Collatz conjecture calculator using C++ and GMP, and I\'m trying to implement parallelism on it using OpenMP, but I\'m coming across issues regarding thr

Answer 1

You might want to touch x only with atomic instructions.

#pragma omp atomic
x++;

This ensures that all threads see the same value of x without requires mutexes or other synchronization techniques.