Fidelizer - software to improve system performance

[lauti]

Fidelizer - software to improve system performance

Hey I jus came across this

Fidelizer Optimizes PC Performance To Run Heavy Music Workstation

…It has 3 system optimization levels to change the system performance level according to usage of music workstation. For instance, if you’re working on some music post-production project, before launching your favorite workstation, you can switch system performance to Audiophile mode to get maximum benefit out of system resources. Likewise, Professional and Extremist modes can be used to get moderate (above average) and ultimate system performance respectively…

Did anybody know about this?
Is it safe/useful?