Added another note.

diff --git a/lib/sorter/TODO b/lib/sorter/TODO
index a3193083089ef4d7fc45c406cc3515161b4085d9..d78ef9b9befe7c304b9ad982ea6d2a81769cff58 100644 (file)
--- a/lib/sorter/TODO
+++ b/lib/sorter/TODO
@@ -4,6 +4,10 @@ o  Log messages should show both original and new size of the data. The speed
    should be probably calculated from the former.
 o  Buffer sizing in shep-export.
 
+Improvements:
+o  When quicksorting a large input (especially in threaded case), invest more
+   time to picking a good pivot.
+
 Users of lib/sorter/array.h which might use radix-sorting:
 indexer/chewer.c
 indexer/lexfreq.c