% CPU in activity monitor showing up to 700% for an app

[zukernik]

I googled and if I understood correctly, 100% = one core. Since the rMBP is quad core, doesn't that mean that the maximum should be 400%? Would it be dangerous for my laptop to let that app run 24h a day? I have the basic Retina Display model with 8GB of RAM. The app also uses 56 threads (not sure what that means).

 

[Gav2k]

I googled and if I understood correctly, 100% = one core. Since the MBPr is quad core, doesn't that mean that the maximum should be 400%? Would it be dangerous for my laptop to let that app run 24h a day? I have the basic Retina Display model with 8GB of RAM.

It has virtual cores too

 

[tmanto02]

Because the i7 supports hyperthreading it has 8 virtual cores therefore running at 800% would not be to good however I wouldnt stress to much with what you are seeing. When I used handbrake for ripping dvd's my MBP was running at similar figures and getting really hot and loud. My research at the time revealed you need not worry

 

[shznit]

logical cores, not virtual.