issue_1224.ipynb

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   "source": [
    "import numpy as np\n",
    "import faiss"
   ]
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  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "index = faiss.IndexIDMap2(faiss.IndexFlatL2(32))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "ids = np.random.randint(0, 5000, size=10)\n",
    "x = np.random.rand(10, 32).astype('float32')\n",
    "index.add_with_ids(x, ids)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([4859, 1690,  211,  949, 2776, 3864, 1524, 4719, 3805, 2736])"
      ]
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     "execution_count": 10,
     "metadata": {
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   "source": [
    "faiss.vector_to_array(index.id_map)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([4859, 1690,  211,  949, 2776, 3864, 1524, 4719, 3805, 2736])"
      ]
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     "execution_count": 11,
     "metadata": {
      "bento_obj_id": "140351031290096"
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   "source": [
    "ids"
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   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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