minetest-getCraftRecipes-minimal-example

init.lua

--
-- Minimal Development Test
-- Mod: test
--

local x = minetest.get_us_time()
local cnt = 20000
--simulate a heavily modded game like dreambuilder
print('filling up the craft table...')
while cnt ~= 0 do
	minetest.register_craft({
		output = "test:whatever"..cnt,
		recipe = {
			{"default:cobble", "default:cobble"},
			{"default:cobble", "default:cobble"},
		}
	})
	cnt = cnt - 1
end
local y = minetest.get_us_time()
print('time spent registering: '..(y-x))
print('starting the loop... ')
cnt = 2325 -- change it to 10 if you want to spend your time profiling and not waiting for a result
while cnt ~= 0 do
	minetest.get_all_craft_recipes("test:whatever"..cnt)
	cnt = cnt - 1
end
y = minetest.get_us_time()
print('time spent looking up: '..(y-x))