NumPy/Speedup-NumPy-with-Bottleneck.ipynb

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    "# Daily-Dose-of-Data-Science\n",
    "\n",
    "[Daily Dose of Data Science](https://avichawla.substack.com) is a publication on Substack that brings together intriguing frameworks, libraries, technologies, and tips that make the life cycle of a Data Science project effortless. \n",
    "\n",
    "Author: Avi Chawla\n",
    "\n",
    "[Medium](https://medium.com/@avi_chawla) | [LinkedIn](https://www.linkedin.com/in/avi-chawla/)\n",
    "\n",
    "# Speedup NumPy Methods 25x With Bottleneck\n",
    "\n",
    "Post Link: [Substack](https://avichawla.substack.com/p/speedup-numpy-methods-25x-with-bottleneck)\n",
    "\n",
    "LinkedIn Post: [LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7032675825095225344/)"
   ]
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     "text": [
      "Requirement already satisfied: bottleneck in /Users/avi/anaconda3/lib/python3.9/site-packages (1.3.4)\r\n",
      "Requirement already satisfied: numpy in /Users/avi/anaconda3/lib/python3.9/site-packages (from bottleneck) (1.24.2)\r\n"
     ]
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   "source": [
    "!pip install bottleneck"
   ]
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   "source": [
    "import numpy as np\n",
    "import bottleneck as bn"
   ]
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   "source": [
    "a = np.random.random((1000,))"
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      "CPU times: user 1.05 ms, sys: 1.74 ms, total: 2.79 ms\n",
      "Wall time: 7.95 ms\n"
     ]
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    "%%time\n",
    "np.mean(a)"
   ]
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      "CPU times: user 16 µs, sys: 39 µs, total: 55 µs\n",
      "Wall time: 58.9 µs\n"
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    "%%time\n",
    "bn.nanmean(a)"
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      "CPU times: user 113 µs, sys: 59 µs, total: 172 µs\n",
      "Wall time: 172 µs\n"
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    "%%time\n",
    "np.sum(a)"
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      "CPU times: user 16 µs, sys: 6 µs, total: 22 µs\n",
      "Wall time: 24.1 µs\n"
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    "%%time\n",
    "bn.nansum(a)"
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      "CPU times: user 838 µs, sys: 314 µs, total: 1.15 ms\n",
      "Wall time: 1.03 ms\n"
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    "%%time\n",
    "np.std(a)"
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      "CPU times: user 123 µs, sys: 37 µs, total: 160 µs\n",
      "Wall time: 162 µs\n"
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    "%%time\n",
    "bn.nanstd(a)"
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      "CPU times: user 1.8 ms, sys: 2.58 ms, total: 4.38 ms\n",
      "Wall time: 5 ms\n"
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