While testing the suggested-edits module in ar Wikipedia with ORES, the result takes a long time to appear. These are the results:
All topics; Easy selected = 5s
All topics; Easy + Medium = 10s
All topics; Easy + Medium + Hard = 13s
32 topics; Easy selected = 5s
32 topics; Easy + Medium = 8s
32 topics; Easy + Medium + Hard = 11s
22 topics; Easy + Medium = 4s
22 topics: Easy + Medium + Hard = 11s
Other combinaisons are showing less than 2s
(The screencast is an example showing the slowness. https://drive.google.com/a/wikimedia.org/file/d/1XawBy2Qx6DblYpcNEgPQdWzN_6Ln269T/view?usp=drivesdk)