diff --git a/games/devtest/mods/benchmarks/init.lua b/games/devtest/mods/benchmarks/init.lua new file mode 100644 index 000000000..19ba044a4 --- /dev/null +++ b/games/devtest/mods/benchmarks/init.lua @@ -0,0 +1,117 @@ +-- Safeguard against too much optimization. This way the results cannot be optimized +-- away, but they can be garbage collected (due to __mode = "k"). +_G._bench_content_ids_data = setmetatable({}, {__mode = "k"}) + +local function bench_name2content() + local t = {} + _G._bench_content_ids_data[t] = true + + local get_content_id = minetest.get_content_id + + local start = minetest.get_us_time() + + for i = 1, 200 do + for name in pairs(minetest.registered_nodes) do + t[#t + 1] = get_content_id(name) + end + end + + local finish = minetest.get_us_time() + + return (finish - start) / 1000 +end + +local function bench_content2name() + local t = {} + _G._bench_content_ids_data[t] = true + + -- Try to estimate the highest content ID that's used + -- (not accurate but good enough for this test) + local n = 0 + for _ in pairs(minetest.registered_nodes) do + n = n + 1 + end + + local get_name_from_content_id = minetest.get_name_from_content_id + + local start = minetest.get_us_time() + + for i = 1, 200 do + for j = 0, n do + t[#t + 1] = get_name_from_content_id(j) + end + end + + local finish = minetest.get_us_time() + + return (finish - start) / 1000 +end + +minetest.register_chatcommand("bench_name2content", { + params = "", + description = "Benchmark: Conversion from node names to content IDs", + func = function(name, param) + minetest.chat_send_player(name, "Benchmarking minetest.get_content_id. Warming up ...") + bench_name2content() + minetest.chat_send_player(name, "Warming up finished, now benchmarking ...") + local time = bench_name2content() + return true, ("Time: %.2f ms"):format(time) + end, +}) + +minetest.register_chatcommand("bench_content2name", { + params = "", + description = "Benchmark: Conversion from content IDs to node names", + func = function(name, param) + minetest.chat_send_player(name, "Benchmarking minetest.get_name_from_content_id. Warming up ...") + bench_content2name() + minetest.chat_send_player(name, "Warming up finished, now benchmarking ...") + local time = bench_content2name() + return true, ("Time: %.2f ms"):format(time) + end, +}) + +minetest.register_chatcommand("bench_bulk_set_node", { + params = "", + description = "Benchmark: Bulk-set 99×99×99 stone nodes", + func = function(name, param) + local player = minetest.get_player_by_name(name) + if not player then + return false, "No player." + end + local pos_list = {} + local ppos = player:get_pos() + local i = 1 + for x=2,100 do + for y=2,100 do + for z=2,100 do + pos_list[i] = {x=ppos.x + x,y = ppos.y + y,z = ppos.z + z} + i = i + 1 + end + end + end + + minetest.chat_send_player(name, "Benchmarking minetest.bulk_set_node. Warming up ..."); + + -- warm up with stone to prevent having different callbacks + -- due to different node topology + minetest.bulk_set_node(pos_list, {name = "mapgen_stone"}) + + minetest.chat_send_player(name, "Warming up finished, now benchmarking ..."); + + local start_time = minetest.get_us_time() + for i=1,#pos_list do + minetest.set_node(pos_list[i], {name = "mapgen_stone"}) + end + local middle_time = minetest.get_us_time() + minetest.bulk_set_node(pos_list, {name = "mapgen_stone"}) + local end_time = minetest.get_us_time() + local msg = string.format("Benchmark results: minetest.set_node loop: %.2f ms; minetest.bulk_set_node: %.2f ms", + ((middle_time - start_time)) / 1000, + ((end_time - middle_time)) / 1000 + ) + return true, msg + end, +}) + + diff --git a/games/devtest/mods/benchmarks/mod.conf b/games/devtest/mods/benchmarks/mod.conf new file mode 100644 index 000000000..fd8d03953 --- /dev/null +++ b/games/devtest/mods/benchmarks/mod.conf @@ -0,0 +1,2 @@ +name = benchmarks +description = Adds some benchmark chat commands diff --git a/games/devtest/mods/experimental/commands.lua b/games/devtest/mods/experimental/commands.lua index 13d70d093..5badff7e3 100644 --- a/games/devtest/mods/experimental/commands.lua +++ b/games/devtest/mods/experimental/commands.lua @@ -43,120 +43,3 @@ minetest.register_chatcommand("test_bulk_set_node", { end, }) --- Safeguard against too much optimization. This way the results cannot be optimized --- away, but they can be garbage collected (due to __mode = "k"). -_G._bench_content_ids_data = setmetatable({}, {__mode = "k"}) - -local function bench_name2content() - local t = {} - _G._bench_content_ids_data[t] = true - - local get_content_id = minetest.get_content_id - - local start = minetest.get_us_time() - - for i = 1, 200 do - for name in pairs(minetest.registered_nodes) do - t[#t + 1] = get_content_id(name) - end - end - - local finish = minetest.get_us_time() - - return (finish - start) / 1000 -end - -local function bench_content2name() - local t = {} - _G._bench_content_ids_data[t] = true - - -- Try to estimate the highest content ID that's used - -- (not accurate but good enough for this test) - local n = 0 - for _ in pairs(minetest.registered_nodes) do - n = n + 1 - end - - local get_name_from_content_id = minetest.get_name_from_content_id - - local start = minetest.get_us_time() - - for i = 1, 200 do - for j = 0, n do - t[#t + 1] = get_name_from_content_id(j) - end - end - - local finish = minetest.get_us_time() - - return (finish - start) / 1000 -end - -minetest.register_chatcommand("bench_name2content", { - params = "", - description = "Benchmark: Conversion from node names to content IDs", - func = function(name, param) - minetest.chat_send_player(name, "Benchmarking minetest.get_content_id. Warming up ...") - bench_name2content() - minetest.chat_send_player(name, "Warming up finished, now benchmarking ...") - local time = bench_name2content() - return true, ("Time: %.2f ms"):format(time) - end, -}) - -minetest.register_chatcommand("bench_content2name", { - params = "", - description = "Benchmark: Conversion from content IDs to node names", - func = function(name, param) - minetest.chat_send_player(name, "Benchmarking minetest.get_name_from_content_id. Warming up ...") - bench_content2name() - minetest.chat_send_player(name, "Warming up finished, now benchmarking ...") - local time = bench_content2name() - return true, ("Time: %.2f ms"):format(time) - end, -}) - -minetest.register_chatcommand("bench_bulk_set_node", { - params = "", - description = "Benchmark: Bulk-set 99×99×99 stone nodes", - func = function(name, param) - local player = minetest.get_player_by_name(name) - if not player then - return false, "No player." - end - local pos_list = {} - local ppos = player:get_pos() - local i = 1 - for x=2,100 do - for y=2,100 do - for z=2,100 do - pos_list[i] = {x=ppos.x + x,y = ppos.y + y,z = ppos.z + z} - i = i + 1 - end - end - end - - minetest.chat_send_player(name, "Benchmarking minetest.bulk_set_node. Warming up ..."); - - -- warm up with stone to prevent having different callbacks - -- due to different node topology - minetest.bulk_set_node(pos_list, {name = "mapgen_stone"}) - - minetest.chat_send_player(name, "Warming up finished, now benchmarking ..."); - - local start_time = minetest.get_us_time() - for i=1,#pos_list do - minetest.set_node(pos_list[i], {name = "mapgen_stone"}) - end - local middle_time = minetest.get_us_time() - minetest.bulk_set_node(pos_list, {name = "mapgen_stone"}) - local end_time = minetest.get_us_time() - local msg = string.format("Benchmark results: minetest.set_node loop: %.2f ms; minetest.bulk_set_node: %.2f ms", - ((middle_time - start_time)) / 1000, - ((end_time - middle_time)) / 1000 - ) - return true, msg - end, -}) - -