Make your own memory monitor part of your application.You will get all you need about memory size and how system use it. Get all data for CPU, name,identification,vendor,speed. Control priority of execution part of your application. And if you need high resolution timer there is maximum time resolution you can get.
Now you will know how Windows system is fast in very, very small units of time. This is small DLL library for everyone. It is standard Windows library very small,compact, fast and easy to use.
