Pierre-Yves David <pierre-yves.david@octobus.net> [Wed, 20 Dec 2017 17:59:14 +0100] rev 3328
stablesort: move jump recording inside the exclusive function
This will allow use to record to cache size of segment in a later changeset. If
the exclusive set is empty, we need to record it outside that function.
Pierre-Yves David <pierre-yves.david@octobus.net> [Sun, 10 Dec 2017 03:49:48 +0100] rev 3326
stablesort: warm jump cache more efficiently
We no longer for a full depth iteration for all request:
- we exit early for non-merge,
- for merge, we only iterate over the exclusive area.