Its purpose is to load on the processor to a specified value. If you changed the fan or heatsink on your processor, this program will help you check whether they fulfill their task.
If you set a larger value of the load and turn on the button "Start" Your computer restarts after some time off, or it's time to clean the CPU cooler. When you overclock the CPU or exchange, you can use this application to verify that the currently used cooling will properly perform its task. If replacing the processor, or cooling on it, remember to use thermally conductive paste or pad between the processor and heatsink to ensure good heat dissipation.