What is the "benchmark drive" button supposed to do?

Defraggler
1

When I click "benchmark drive", it says "Calculating disk performance", but when it reaches 100% and finishes, it just says "calculating disk performance finished". Where can I find the results of this test? I can't seem to find it anywhere...

Also, a second unrelated question, is it really supposed to take >1 day for defraggler to finish defraggling? Because that's how long it says it will take, and when it takes an hour just to reach 3%, it seems like an accurate estimate. Quick-defrag is no quicker. What is your average completion time? (500GB drive; 100GB free space; stop vss, exclude restore point and hibernation all checked)

2

Result appears directly below the View Files button. Mine reported: Random Read Speed: 7.70 MB/s

So many variables affect defrag speed. I don't bother with a full defrag, preferring instead file defrag, takes only secs for me.

Tick ☑ Filename WsbsOgA.png and click Defrag Checked.