Also move Lua scripts to share subfolder

share/scripts/_split_benchmark.lua

@@ -0,0 +1,58 @@
+-- [disable CPU freq scaling for benchmark]
+-- create a session
+-- add 16 mono tracks
+-- record 2-3 mins on each track starting at 00:00:00:00
+-- rewind the playhead to 00:00:00:00
+-- run this script in  Menu > Window. Scripting  10 times
+ardour { ["type"] = "EditorAction", name = "Split Benchmark" }
+
+function factory (params) return function ()
+
+	function split_at (pos)
+		local add_undo = false -- keep track if something has changed
+		Session:begin_reversible_command ("Auto Region Split")
+		for route in Session:get_tracks():iter() do
+			local playlist = route:to_track():playlist ()
+			playlist:to_stateful ():clear_changes ()
+			for region in playlist:regions_at (pos):iter () do
+				playlist:split_region (region, ARDOUR.MusicSample (pos, 0))
+			end
+			if not Session:add_stateful_diff_command (playlist:to_statefuldestructible ()):empty () then
+				add_undo = true
+			end
+		end
+		if add_undo then
+			Session:commit_reversible_command (nil)
+		else
+			Session:abort_reversible_command ()
+		end
+	end
+
+	function count_regions ()
+		local total = 0
+		for route in Session:get_tracks():iter() do
+			total = total + route:to_track():playlist():region_list():size()
+		end
+		return total
+	end
+
+	for x = 1, 3 do
+		local playhead = Session:transport_sample ()
+
+		local step = Session:samples_per_timecode_frame()
+		local n_steps = 20
+
+		local t_start = ARDOUR.LuaAPI.monotonic_time ()
+		for i = 1, n_steps do
+			split_at (playhead + step * i)
+		end
+		local t_end = ARDOUR.LuaAPI.monotonic_time ()
+
+		Session:request_locate((playhead + step * n_steps), ARDOUR.LocateTransportDisposition.MustStop, ARDOUR.TransportRequestSource.TRS_UI)
+		print (count_regions (), (t_end - t_start) / 1000 / n_steps)
+		collectgarbage ();
+		ARDOUR.LuaAPI.usleep(500000)
+	end
+
+
+end end