inline

bench_object.lua

@@ -0,0 +1,101 @@
+-- bench_object.lua — object/string/call benchmark (Lua)
+
+local iterations = 200000
+local clock = os.clock
+
+local function bench_record_create()
+  local r
+  for i = 0, iterations - 1 do
+    r = {x = i, y = i + 1, z = i + 2}
+  end
+  return r.z
+end
+
+local function bench_prop_read()
+  local obj = {x = 10, y = 20, z = 30, w = 40}
+  local s = 0
+  for i = 0, iterations - 1 do
+    s = s + obj.x + obj.y + obj.z + obj.w
+  end
+  return s
+end
+
+local function bench_dynamic_prop()
+  local obj = {a = 1, b = 2, c = 3, d = 4, e = 5}
+  local keys = {"a", "b", "c", "d", "e"}
+  local s = 0
+  for i = 0, iterations - 1 do
+    for j = 1, 5 do
+      s = s + obj[keys[j]]
+    end
+  end
+  return s
+end
+
+local function bench_string_concat()
+  local parts = {}
+  local n = 10000
+  for i = 1, n do
+    parts[i] = "x"
+  end
+  local s = table.concat(parts)
+  return #s
+end
+
+local function bench_interpolation()
+  local s = ""
+  local n = 50000
+  for i = 0, n - 1 do
+    s = string.format("item_%d", i)
+  end
+  return s
+end
+
+local function make_point(x, y)
+  return {
+    x = x,
+    y = y,
+    sum = function(self)
+      return self.x + self.y
+    end
+  }
+end
+
+local function bench_method_call()
+  local p = make_point(3, 4)
+  local s = 0
+  for i = 0, iterations - 1 do
+    s = s + p.sum(p)
+  end
+  return s
+end
+
+local function fib(n)
+  if n <= 1 then return n end
+  return fib(n - 1) + fib(n - 2)
+end
+
+local function bench_fncall()
+  local s = 0
+  for i = 0, 19 do
+    s = s + fib(25)
+  end
+  return s
+end
+
+local function run(name, fn)
+  local start = clock()
+  local result = fn()
+  local elapsed = (clock() - start) * 1000
+  print(string.format("  %s: %.2f ms  (result: %s)", name, elapsed, tostring(result)))
+end
+
+print("=== Object / String / Call Benchmark ===")
+print(string.format("  iterations: %d", iterations))
+run("record_create ", bench_record_create)
+run("prop_read     ", bench_prop_read)
+run("dynamic_prop  ", bench_dynamic_prop)
+run("string_concat ", bench_string_concat)
+run("interpolation ", bench_interpolation)
+run("method_call   ", bench_method_call)
+run("fncall_fib25  ", bench_fncall)