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Add exhaustive benchmarks for operations
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Ukendio
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372
benches/exhaustive.lua
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372
benches/exhaustive.lua
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local testkit = require("../testkit")
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local jecs = require("../lib/init")
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local ecr = require("../DevPackages/_Index/centau_ecr@0.8.0/ecr/src/ecr")
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local BENCH, START = testkit.benchmark()
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local function TITLE(title: string)
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print()
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print(testkit.color.white(title))
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end
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local N = 2^16-2
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type i53 = number
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do TITLE "create"
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BENCH("entity", function()
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local world = jecs.World.new()
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for i = 1, START(N) do
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world:entity()
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end
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end)
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end
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--- component benchmarks
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--todo: perform the same benchmarks for multiple components.?
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-- these kind of operations only support 1 component at a time, which is
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-- a shame, especially for archetypes where moving components is expensive.
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do TITLE "set"
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BENCH("add 1 component", function()
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local world = jecs.World.new()
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local entities = {}
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local A = world:component()
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for i = 1, N do
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entities[i] = world:entity()
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end
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for i = 1, START(N) do
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world:set(entities[i], A, i)
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end
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end)
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BENCH("change 1 component", function()
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local world = jecs.World.new()
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local entities = {}
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local A = world:component()
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local e = world:entity()
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world:set(e, A, 1)
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for i = 1, START(N) do
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world:set(e, A, 2)
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end
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end)
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end
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do TITLE "remove"
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BENCH("1 component", function()
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local world = jecs.World.new()
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local entities = {}
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local A = world:component()
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for i = 1, N do
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local id = world:entity()
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entities[i] = id
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world:set(id, A, true)
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end
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for i = 1, START(N) do
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world:remove(entities[i], A)
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end
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end)
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end
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do TITLE "get"
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BENCH("1 component", function()
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local world = jecs.World.new()
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local entities = {}
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local A = world:component()
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for i = 1, N do
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local id = world:entity()
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entities[i] = id
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world:set(id, A, true)
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end
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for i = 1, START(N) do
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-- ? curious why the overhead is roughly 80 ns.
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world:get(entities[i], A)
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end
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end)
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BENCH("2 component", function()
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local world = jecs.World.new()
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local entities = {}
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local A = world:component()
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local B = world:component()
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for i = 1, N do
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local id = world:entity()
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entities[i] = id
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world:set(id, A, true)
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world:set(id, B, true)
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end
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for i = 1, START(N) do
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world:get(entities[i], A, B)
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end
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end)
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BENCH("3 component", function()
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local world = jecs.World.new()
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local entities = {}
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local A = world:component()
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local B = world:component()
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local C = world:component()
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for i = 1, N do
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local id = world:entity()
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entities[i] = id
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world:set(id, A, true)
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world:set(id, B, true)
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world:set(id, C, true)
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end
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for i = 1, START(N) do
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world:get(entities[i], A, B, C)
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end
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end)
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BENCH("4 component", function()
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local world = jecs.World.new()
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local entities = {}
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local A = world:component()
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local B = world:component()
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local C = world:component()
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local D = world:component()
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for i = 1, N do
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local id = world:entity()
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entities[i] = id
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world:set(id, A, true)
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world:set(id, B, true)
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world:set(id, C, true)
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world:set(id, D, true)
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end
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for i = 1, START(N) do
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world:get(entities[i], A, B, C, D)
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end
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end)
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end
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do TITLE (testkit.color.white_underline("Jecs query"))
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local function count(query: () -> ())
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local n = 0
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for _ in query do
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n += 1
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end
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return n
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end
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local function flip()
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return math.random() > 0.5
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end
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local function view_bench(
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world: jecs.World,
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A: i53, B: i53, C: i53, D: i53, E: i53, F: i53, G: i53, H: i53, I: i53
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)
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BENCH("1 component", function()
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START(count(world:query(A)))
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for _ in world:query(A) do end
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end)
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BENCH("2 component", function()
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START(count(world:query(A, B)))
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for _ in world:query(A, B) do end
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end)
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BENCH("4 component", function()
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START(count(world:query(A, B, C, D)))
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for _ in world:query(A, B, C, D) do end
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end)
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BENCH("8 component", function()
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START(count(world:query(A, B, C, D, E, F, G, H)))
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for _ in world:query(A, B, C, D, E, F, G, H) do end
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end)
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end
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do TITLE "random components"
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local world = jecs.World.new()
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local A = world:component()
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local B = world:component()
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local C = world:component()
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local D = world:component()
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local E = world:component()
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local F = world:component()
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local G = world:component()
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local H = world:component()
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local I = world:component()
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for i = 1, N do
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local id = world:entity()
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if flip() then world:set(id, A, true) end
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if flip() then world:set(id, B, true) end
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if flip() then world:set(id, C, true) end
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if flip() then world:set(id, D, true) end
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if flip() then world:set(id, E, true) end
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if flip() then world:set(id, F, true) end
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if flip() then world:set(id, G, true) end
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if flip() then world:set(id, H, true) end
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if flip() then world:set(id, I, true) end
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end
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view_bench(world, A, B, C, D, E, F, G, H, I)
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end
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do TITLE "one component in common"
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local world = jecs.World.new()
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local A = world:component()
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local B = world:component()
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local C = world:component()
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local D = world:component()
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local E = world:component()
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local F = world:component()
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local G = world:component()
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local H = world:component()
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local I = world:component()
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for i = 1, N do
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local id = world:entity()
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local a = true
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if flip() then world:set(id, B, true) else a = false end
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if flip() then world:set(id, C, true) else a = false end
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if flip() then world:set(id, D, true) else a = false end
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if flip() then world:set(id, E, true) else a = false end
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if flip() then world:set(id, F, true) else a = false end
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if flip() then world:set(id, G, true) else a = false end
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if flip() then world:set(id, H, true) else a = false end
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if flip() then world:set(id, I, true) else a = false end
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if a then world:set(id, A, true) end
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end
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view_bench(world, A, B, C, D, E, F, G, H, I)
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end
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end
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do TITLE (testkit.color.white_underline("ECR query"))
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local A = ecr.component()
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local B = ecr.component()
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local C = ecr.component()
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local D = ecr.component()
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local E = ecr.component()
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local F = ecr.component()
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local G = ecr.component()
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local H = ecr.component()
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local I = ecr.component()
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local function count(query: () -> ())
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local n = 0
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for _ in query do
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n += 1
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end
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return n
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end
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local function flip()
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return math.random() > 0.5
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end
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local function view_bench(
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world: ecr.Registry,
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A: i53, B: i53, C: i53, D: i53, E: i53, F: i53, G: i53, H: i53, I: i53
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)
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BENCH("1 component", function()
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START(count(world:view(A)))
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for _ in world:view(A) do end
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end)
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BENCH("2 component", function()
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START(count(world:view(A, B)))
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for _ in world:view(A, B) do end
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end)
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BENCH("4 component", function()
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START(count(world:view(A, B, C, D)))
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for _ in world:view(A, B, C, D) do end
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end)
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BENCH("8 component", function()
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START(count(world:view(A, B, C, D, E, F, G, H)))
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for _ in world:view(A, B, C, D, E, F, G, H) do end
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end)
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end
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do TITLE "random components"
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local world = ecr.registry()
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for i = 1, N do
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local id = world.create()
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if flip() then world:set(id, A, true) end
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if flip() then world:set(id, B, true) end
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if flip() then world:set(id, C, true) end
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if flip() then world:set(id, D, true) end
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if flip() then world:set(id, E, true) end
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if flip() then world:set(id, F, true) end
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if flip() then world:set(id, G, true) end
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if flip() then world:set(id, H, true) end
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if flip() then world:set(id, I, true) end
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end
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view_bench(world, A, B, C, D, E, F, G, H, I)
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end
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do TITLE "one component in common"
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local world = ecr.registry()
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for i = 1, N do
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local id = world.create()
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local a = true
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if flip() then world:set(id, B, true) else a = false end
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if flip() then world:set(id, C, true) else a = false end
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if flip() then world:set(id, D, true) else a = false end
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if flip() then world:set(id, E, true) else a = false end
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if flip() then world:set(id, F, true) else a = false end
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if flip() then world:set(id, G, true) else a = false end
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if flip() then world:set(id, H, true) else a = false end
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if flip() then world:set(id, I, true) else a = false end
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if a then world:set(id, A, true) end
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end
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view_bench(world, A, B, C, D, E, F, G, H, I)
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end
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end
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