Initial commit

test/benchmark.luau

@@ -0,0 +1,155 @@
+------------------------------------------------------------------------------------------
+-- benchmark.lua
+------------------------------------------------------------------------------------------
+
+local BENCH, START = require("test/testkit").getBenchmarkTools()
+
+local vide = require "src/init"
+type State<T> = vide.State<T>
+
+local function gc(n: number?)
+    for i = 1, n or 3 do
+        (collectgarbage :: any)("collect")
+    end
+end
+
+local N = 1e5
+
+gc()
+
+BENCH("Create state", function()
+    local cache = table.create(N)
+    local wrap = vide.wrap
+
+    for i = 1, START(N) do
+        cache[i] = wrap(1)
+    end
+end)
+
+gc()
+
+BENCH("Get state value", function()
+    local state = vide.wrap(1)
+    local unwrap = vide.unwrap
+
+    for i = 1, START(N) do
+        unwrap(state)
+    end
+end)
+
+gc()
+
+BENCH("Set state value", function()
+    local _, set = vide.wrap(1)
+
+    for i = 1, START(N) do
+        set(i)
+    end
+end)
+
+gc()
+
+BENCH("Derive state", function()
+    local cache = table.create(N)
+    local state = vide.wrap(1)
+    local derive = vide.derive
+
+    for i = 1, START(N) do
+        cache[i] = derive(function(from)
+            return from(state)
+        end)
+    end
+end)
+
+gc()
+
+BENCH("Derive state (2)", function()
+    local cache = table.create(N)
+    local state = vide.wrap(1)
+    local state2 = vide.wrap(2)
+    local derive = vide.derive
+
+    for i = 1, START(N) do
+        cache[i] = derive(function(from)
+            return from(state) + from(state2)
+        end)
+    end
+end)
+
+gc()
+
+BENCH("Derive state (shorthand)", function()
+    local cache = table.create(N)
+    local state = vide.wrap(1)
+
+    for i = 1, START(N) do
+        cache[i] = state + 1
+    end
+end)
+
+gc()
+
+BENCH("Derive state (shorthand 2)", function()
+    local cache = table.create(N)
+    local state = vide.wrap(1)
+    local state2 = vide.wrap(2)
+
+    for i = 1, START(N) do
+        cache[i] = state + state2
+    end
+end)
+
+gc()
+
+BENCH("Derived state update", function()
+    local stateA, setA = vide.wrap(1)
+    local stateB = vide.derive(function(from) return from(stateA) end)
+    local unwrap = vide.unwrap
+
+    for i = 1, START(N) do
+        setA(i)
+        unwrap(stateB)
+    end
+end)
+
+gc()
+
+BENCH("Derived state update (shorthand)", function()
+    local stateA, setA = vide.wrap(1)
+    local stateB = stateA + 1
+    local unwrap = vide.unwrap
+
+    for i = 1, START(N) do
+        setA(i)
+        unwrap(stateB)
+    end
+end)
+
+gc()
+
+BENCH("Apply single property", function()
+    local instance = vide.create("Frame") {}
+    local apply = vide.apply
+
+    for i = 1, START(N) do
+        apply(instance) {
+            Name = i
+        }
+    end
+end)
+
+gc()
+
+BENCH("Bind state", function()
+    local instance = vide.create("Frame") {}
+    local state = vide.wrap(1)
+    local apply = vide.apply
+
+    for i = 1, START(N) do
+        apply(instance) {
+            Name = state
+        }
+    end
+end)
+
+return nil