Search:

That sounds like a good start.

For me, splitting the code into two or three functions would help with the overall program clarity.
200+ lines in main is a bit much.

So did you do any testing like I suggested?

Since you decided to trim away any possibility that we might have to run your code, I can only suggest some ideas for debugging your own code.

Start with


for( i=0; i < (log(nprocs)/log(2));...