HeavyLoad tests do not show a result on how well my system performs.
The purpose of HeavyLoad is to put your system under stress to analyze its behaviour and to determine if it runs stable at this utilization.
HeavyLoad is not a benchmarking tool and will not evaluate on how well a system performs in comparison to similar setups.
Please also keep in mind that stress testing a system can always lead to crashes and bluescreens and because of that, important data should be saved before running the tests.
A few hints on telling if a test was successful: