59 lines
1.7 KiB
Lua
59 lines
1.7 KiB
Lua
-- [disable CPU freq scaling for benchmark]
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-- create a session
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-- add 16 mono tracks
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-- record 2-3 mins on each track starting at 00:00:00:00
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-- rewind the playhead to 00:00:00:00
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-- run this script in Menu > Window. Scripting 10 times
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ardour { ["type"] = "EditorAction", name = "Split Benchmark" }
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function factory (params) return function ()
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function split_at (pos)
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local add_undo = false -- keep track if something has changed
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Session:begin_reversible_command ("Auto Region Split")
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for route in Session:get_tracks():iter() do
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local playlist = route:to_track():playlist ()
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playlist:to_stateful ():clear_changes ()
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for region in playlist:regions_at (pos):iter () do
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playlist:split_region (region, ARDOUR.MusicSample (pos, 0))
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end
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if not Session:add_stateful_diff_command (playlist:to_statefuldestructible ()):empty () then
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add_undo = true
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end
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end
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if add_undo then
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Session:commit_reversible_command (nil)
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else
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Session:abort_reversible_command ()
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end
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end
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function count_regions ()
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local total = 0
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for route in Session:get_tracks():iter() do
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total = total + route:to_track():playlist():region_list():size()
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end
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return total
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end
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for x = 1, 3 do
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local playhead = Session:transport_sample ()
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local step = Session:samples_per_timecode_frame()
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local n_steps = 20
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local t_start = ARDOUR.LuaAPI.monotonic_time ()
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for i = 1, n_steps do
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split_at (playhead + step * i)
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end
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local t_end = ARDOUR.LuaAPI.monotonic_time ()
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Session:request_locate((playhead + step * n_steps), false, 5)
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print (count_regions (), (t_end - t_start) / 1000 / n_steps)
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collectgarbage ();
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ARDOUR.LuaAPI.usleep(500000)
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end
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end end
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