For a little while, I was bummed by poor peformance of a Windows 8.1 guest running in Fusion 8.1 on El Capitan. Not sure which one of these was the main contributor, but the experience was painful – switching between apps was taking few seconds, which just didn’t seem right considering it’s running on a current MacBook Pro with plenty of RAM, CPU power, and a fast SSD.
Long story short – looks like I’ve found a cure. This solution worked like magic for me:
For those not willing to visit the source – I added the following to the vmx file:
mainMem.backing = "swap" scsi0:0.virtualSSD = 1 MemTrimRate = "0" sched.mem.pshare.enable = "FALSE" MemAllowAutoScaleDown = "FALSE"
Looks like these settings have originated from the following post:
Happy computing! 🙂