{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Installing packages:\n",
      "\t.package(url: \"https://github.com/bhansconnect/SwiftTimeit\", from: \"1.0.0\")\n",
      "\t\tSwiftTimeit\n",
      "With SwiftPM flags: []\n",
      "Working in: /tmp/tmp_ymcasf6/swift-install\n",
      "Fetching https://github.com/bhansconnect/SwiftTimeit\n",
      "Completed resolution in 0.70s\n",
      "Cloning https://github.com/bhansconnect/SwiftTimeit\n",
      "Resolving https://github.com/bhansconnect/SwiftTimeit at 1.0.0\n",
      "[1/2] Compiling SwiftTimeit SwiftTimeit.swift\n",
      "[2/3] Merging module SwiftTimeit\n",
      "[3/4] Compiling jupyterInstalledPackages jupyterInstalledPackages.swift\n",
      "[4/5] Merging module jupyterInstalledPackages\n",
      "[5/5] Linking libjupyterInstalledPackages.so\n",
      "Initializing Swift...\n",
      "Installation complete!\n"
     ]
    }
   ],
   "source": [
    "%install '.package(url: \"https://github.com/bhansconnect/SwiftTimeit\", from: \"1.0.0\")' SwiftTimeit\n",
    "import SwiftTimeit"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Time\n",
    "Measures the execution of a function once.\n",
    "\n",
    "It is not very accurate for short functions. \n",
    "\n",
    "You will want to use timeit most of the time."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Execution Time: 115 µs\r\n"
     ]
    }
   ],
   "source": [
    "time{\n",
    "    var x = 0\n",
    "    for _ in 1..<1000000{\n",
    "        x += 1\n",
    "    }\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Execution Time: 124.72 µs\r\n"
     ]
    }
   ],
   "source": [
    "time(precision: 5){\n",
    "    var x = 0\n",
    "    for _ in 1..<1000000{\n",
    "        x += 1\n",
    "    }\n",
    "}"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Timeit\n",
    "Accurately measures the execution of a function."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "105 µs ± 13.5 µs per loop (mean ± std. dev. of 7 runs, 10000 loops each)\r\n"
     ]
    }
   ],
   "source": [
    "timeit{\n",
    "    var x = 0\n",
    "    for _ in 1..<1000000{\n",
    "        x += 1\n",
    "    }\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "94.5 µs ± 1.96 µs per loop (mean ± std. dev. of 10 runs, 100 loops each)\r\n"
     ]
    }
   ],
   "source": [
    "timeit(loops: 100, repititions: 10){\n",
    "    var x = 0\n",
    "    for _ in 1..<1000000{\n",
    "        x += 1\n",
    "    }\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The slowest run took 6.63 times longer than the fastest. This could mean that an intermediate result is being cached.\r\n",
      "617 µs ± 294 µs per loop (mean ± std. dev. of 7 runs, 1 loops each)\r\n"
     ]
    }
   ],
   "source": [
    "var x: UInt32 = 1\n",
    "timeit(loops: 1){\n",
    "    x = (x + 1) % 10\n",
    "    usleep(x*100)\n",
    "}"
   ]
  }
 ],
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