User:Vikram Atreya/GSoC21/Project Report

Project Report

• Student Name: Vikram Atreyapurapu
• GSoC Project: Implementing UNDO

The project started with deciding which kind of undo to be implemented. Various implementations were thought about including a complete re-run approach, partial checkpoint, full checkpoint, etc as discussed in detail in my [1]. Using a version control system like libgit2 was also explored, but was found to be sub-optimal since it was occupying a lot of extra space and was also not very time efficient. It was decided that the undo would be implemented using a partial checkpoint-like approach, where a change in an object at any step would be the only thing stored at that step instead of storing a full checkpoint of the .g file at that point. To be continued...