notebooks/Why_is_Julia_Fast.ipynb

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   "source": [
    "methods(+)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
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   },
   "source": [
    "# Type Inference \n",
    "\n",
    "- the process of deducing the types of later values from the types of input values."
   ]
  },
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   "source": [
    "my_square(x) = x^2\n",
    "@code_typed my_square(1)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "@code_typed my_square(1.0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Of course, if you know the type of your input, it is always best practice to specify it. \n",
    "my_int_square(x::Int64) = x^2\n",
    "@code_typed my_int_square(1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
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   },
   "source": [
    "# Cached Compilation  \n",
    "\n",
    "Compilation is cached and reused for future runs. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "@time 2^30"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "@time 2^30"
   ]
  },
  {
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     "slide_type": "slide"
    }
   },
   "source": [
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  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "outputs": [],
   "source": [
    "#macro expansion\n",
    "@macroexpand 1+2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Abstract Syntac Tree\n",
    "@code_lowered 1+2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Julia Intermediate Representation\n",
    "@code_typed 1+2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "source": [
    "#LLVM Intermediate Representation\n",
    "@code_llvm 1+2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Assembly\n",
    "@code_native 1+2"
   ]
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