I ran a FSEQ in scheduler on my pc side and the CPU stays at like 6% while playing, I reboot onto my Mac side and play the exact same FSEQ and my fans rev up and my CPU is 125-130% sometime way higher as you can see in the video (sorry I couldn't talk/narrate in it, at work). the main xlights work folder is on my google drive so I can use any machine and its linked to that same folder
https://youtu.be/y3TmdcIzFlkim running new MacBook Pro, i5, 8gb ram on high Sierra and XLights 2018.6