warner@scubed.SCUBED.COM (Ken Warner) (07/14/90)
Here is one Catch-22 for Smalltalk-80 hackers. Non-Smalltalkers won't understand this. Smalltalk-80, from ParcPlace, runs just fine under Virtual. Under Finder you get ~14 Meg. to run in. So you can have many large objects and/or window open without even garbage collecting. However, if your image saves larger than the largest free chunk of contiguous memory available (8 Meg - System - Finder) then you won't be able to restart your image even though it was running just fine when you saved it. This is because ROM sits at the 8 Meg boundry and causes memory to be pre-fragmented. Smalltalk can access fragmented memory above the 8 Meg boundry while running but can only load into the largest free chunk which is typically less than 7 Meg. Ken Warner warner@scubed.scubed.com