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Parallel Full Comparison

Full content file comparison is a powerful feature, but it can take a long time, especially when comparing large directories with many files. Parallel full comparison addresses this issue.

When Options | Directory Compare | Other | Parallel full comparison is enabled and Options | Directory Compare | Comparison Precision is set to Full file comparison, ExamDiff Pro first displays metadata comparison results (using only size and time to determine whether files are identical or different), then begins to perform full file comparison in a background task.

While full comparison is running in the background, a small progress bar appears in the first pane of the main status bar, and new results are displayed as they are ready. The results are prioritized by files' visibility in the comparison window, enabling you to view already-compared files and use other features of ExamDiff Pro while the full comparison runs in the background, with new results quickly appearing as you scroll to a new area.

ExamDiff Pro spawns multiple threads to perform the background task. For advanced users, the thread priority can be modified in Options | Directory Compare | Other | Background thread.

You can stop full file comparison while it is in progress simply by pressing the ESC key.

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