Comparing large log files with many differences is very slow #65

What happens?

Comparing two large log files containing many differences takes a long time to complete.

What did you expect to happen?

The comparison should complete promptly even when large text files contain many differences.

Steps to reproduce

No response

Environment

1. Open two large log files containing many differences in VisualDiffer.
2. Start the comparison.
3. Observe that the comparison takes a long time to complete.

Logs / screenshots (optional)

No response