local function spawnNow(callback, ...)
	local bindable = Instance.new("BindableEvent")
	bindable.Event:Connect(callback)
	bindable:Fire(...)
	bindable:Destroy()
end

local function f() end

local t1 = tick()
for _ = 1, 10000 do
	spawnNow(f, 123)
end
print("fast spawn", tick()-t1)

local t2 = tick()
for iteration = 1, 10000 do
	coroutine.wrap(f)(123)
end
print("coroutine wrap", tick()-t2)