Note that the Virtual Memory size you see is that absolute maximum each currently-running app could use if it needed it. The number has almost no basis in reality, and your actual VM usage is almost certainly much, much, much lower.
Note that the Virtual Memory size you see is that absolute maximum each currently-running app could use if it needed it. The number has almost no basis in reality, and your actual VM usage is almost certainly much, much, much lower.
Basic message:
Don't even try to think about what OSX is doing with memory management. It is much smarter than you and I, so just let it manage the memory and be happy.