What Is a Global Variable? A computer program is, essentially, a list of instructions for a computer to carry out when you run it. However, most programs are complex enough that they outgrow a ...

I read that by default, a Microsoft dll always gives each program a private copy of global variables. So that function not working would make sense, but I defined my variable in a shared data segment.

On machines with high-performance processors, the memory system continues to be a performance bottleneck. Compilers insert prefetch operations and reorder data accesses to improve locality, but ...