refactor: improve logic

benches/propagate.luau

@@ -0,0 +1,42 @@
+local Charm = require("@pkgs/charm/src/lib")
+local bench = require("./bench")
+
+local signals = Charm.signals
+
+for _, w in { 10, 100 } do
+	for _, h in { 10, 100 } do
+		bench.run(`charm {w}*{h}`, function()
+			local src = Charm.atom(1)
+			for _ = 1, w do
+				local last = src
+				for _ = 1, h do
+					local prev = last
+					last = Charm.computed(function()
+						return prev() + 1
+					end)
+				end
+				Charm.effect(function()
+					last()
+				end)
+			end
+			src(src() + 1)
+		end)
+
+		bench.run(`alien-signals {w}*{h}`, function()
+			local src, setSrc = signals.signal(1)
+			for _ = 1, w do
+				local last = src
+				for _ = 1, h do
+					local prev = last
+					last = signals.computed(function()
+						return prev() + 1
+					end)
+				end
+				signals.effect(function()
+					last()
+				end)
+			end
+			setSrc(src() + 1)
+		end)
+	end
+end