You Don't Care About Efficiency

In this talk we’ll discuss why synchronous software is a problem, what your options are to move away from it, and what challenges are being faced by the Python ecosystem as we try to move towards a brave new asynchronous world.

Transcript

1. You Don’t Care
   About
   Efficiency
   

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2. Hi
   

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3. @lukasaoz
   @lukasa
   

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5. Requests Core Contributor
   urllib3 Core Contributor
   Maintainer of 10+ others
   Hyper Maintainer
   

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6. You Don’t Care
   About
   Efficiency
   

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7. Synchronous
   Code is
   Dying
   

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9. The Problem
   

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10. Thesis:
    Synchronous
    Code is Hurting
    Software
    

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12. Why Is Software
    Slow?
    

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13. Responsiveness
    

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14. Synchronous
    ≡
    Inefficient
    

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16. for url in urls:
    r = requests.get(url)
    do_stuff_with(r.content)
    

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17. Why Are We
    Synchronous?
    

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18. Easy
    Tools
    

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19. How Do I
    Async?
    

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20. is
    Problematic
    

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21. is
    Awesome
    

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22. from concurrent.futures import ThreadPoolExecutor
    def work(url):
    r = requests.get(url)
    do_stuff_with(r.content)
    with ThreadPoolExecutor(max_workers=10) as e:
    e.map(work, urls)
    

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24. Costs
    • Unfamiliar paradigms
    • Framework lock-in
    • Hard to support multiple
    frameworks (+sync code).
    

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25. Σ↑
    

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26. Synchronous Code
    ≡
    Gratuitous Waste
    

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27. Asynchronous Code
    ≡
    Beautiful Happiness
    

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29. Bonus:
    A Bold
    Prediction
    

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30. Thanks!
    ✨✨
    

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