mirror of
https://github.com/luanti-org/luanti.git
synced 2025-11-04 09:15:29 +01:00
118 lines
3.3 KiB
Lua
118 lines
3.3 KiB
Lua
-- 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,
|
||
})
|
||
|
||
|