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Modelos de concorrência em Python.

Avatar for Diego Garcia Diego Garcia
October 17, 2016
Programming
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Modelos de concorrência em Python.

Lightning talk apresentada na Python Brasil 12

Avatar for Diego Garcia

Diego Garcia

October 17, 2016
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Transcript

  1. Modelos de concorrência em Python. #pybr12

  2. Quem sou eu?

  3. • Desenvolvedor a ~8 anos. • Desenvolvedor web a ~5

    anos. • Pythonista a ~3 anos. • Django, Tornado, Aiohttp, etc. • Vimmer (#vim <3). • Aspirante a Gopher (#Golang <3). • Backend developer at LuizaLabs. Diego Garcia

  4. Threads Processos Async 3 modelos principais

  5. Threads Prós • Shared State • Pouco overhead • Operações

    de IO Contras • Race Conditions • CPU Bound • GIL • Difícil de testar

  6. Processos Prós • Melhor uso do processador • CPU Bound

    • No GIL Contras • No Shared State • Overhead • Pickle • Difícil de testar

  7. Async Prós • Single Thread • Uso efetivo de CPU

    • Fácil de testar Contras • Depende de EventLoop • Novos idiomas e paradigma • CPU Bound • GIL

  8. Não seja bitolado! Use a ferramenta certa para o problema

    certo.

  9. Obrigado! Se tiverem perguntas me procurem :) Twitter: @drgarcia1986 |

    Github: /drgarcia1986