socket = require 'socket'

local arr = {}

for i = 1,10000000 do
  arr[i] = i - 1
end

local t0 = socket.gettime()
local sum = 0

for i = 1,10000000 do
  sum = sum + arr[i]
end

local t1 = socket.gettime()

print(string.format("The call took %fms to run. Sum is %d\n", (t1 - t0)*1000, sum))