I'm currently using XCode 10.1 and it's driving me crazy, it slows my computer down to a point that it is unusable. Before I upgraded to XCode 10 I was running the same project on XCode 9 and High Sierra without any problems and with only half of the memory it currently has (8GB of Ram). I now have upgraded the memory to 16GB but it didn't make a difference.
FYI - I don't think the slow down has to do with Mojave 10.14.2 since I was experiencing the same issue with High Sierra and XCode 10, which is the reason I upgraded to Mojave thinking that XCode 10 would run smoother in the newest operating system.
Here are the specs of my computer:
Computer has a fusion drive.
Here is what I see in Activity Monitor for CPU and Memory usage:
Any idea what could be wrong?
EDIT: The Simulator maybe the Possible Cause to my Issue.
In the comments below I made a comment saying that the issue was resolved by unistalling and reistalling XCode but I later found out that it wasn't true. The issue seems to be caused by the Simulator, what I noticed is that if I reboot my computer and don't use the Simulator, XCode runs fine but as soon as I use the Simulator XCode starts running slow even after closing the Simulator, I need to reboot and use XCode without using the Simulator in order to temporarily fix the issue, I have been using hardware-devices for testing and XCode seem to be running fine. Any thoughts?