Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> writes: > v4 has a bunch of changes > > - 1/5 is a new one to show indented tracing. This way it's less > misleading to read nested time measurements > - 3/5 now has the switch/restore cache_bottom logic. Junio suggested a > check instead in his final note, but I think this is safer (yeah I'm > scared too) > - the old 4/4 is dropped because > - it assumes n-way logic > - the visible time saving is not worth the tradeoff > - Elijah gave me an idea to avoid add_index_entry() that I think > does not have n-way logic assumptions and gives better saving. > But it requires some more changes so I'm going to do it later > - 5/5 is also new and should help reduce cache_tree_update() cost. > I wrote somewhere I was not going to work on this part, but it turns > out just a couple lines, might as well do it now. The last step feels a bit scary, but other than that I did not spot anything iffy in the series. Nicely done. Thanks.
