Now, I have no idea if this is any help, but I noticed that before the GPU crashed twice, and rebooted (luckily the Machine stayed alive a bit before crashing totally) I noticed the following logs, which I can’t remember seeing before:
Jan 11 13:05:22.421 2018-01-11 13:05:22.421 Corona Simulator[1129:16549] *** WARNING: Method convertPointToBase: in class NSView is deprecated on 10.7 and later. It should not be used in new applications.
Jan 11 13:20:19.373 2018-01-11 13:20:19.372 Corona Simulator[1802:20578] *** WARNING: Method convertPointToBase: in class NSView is deprecated on 10.7 and later. It should not be used in new applications.