Depends largely on how the code is structured with C++. There's the number of compilation units within a lib vs overall. Typically you can parallelize within a

Depends largely on how the code is structured with C++. There's the number of compilation units within a lib vs overall. Typically you can parallelize within a module, but not externally unless you have some smarts. Edit: I use module in this sense as a producible result, not the future language concept of modules.