Fast implementation of asyncio event loop on top of libuv
Project description
uvloop is a fast, drop-in replacement of the built-in asyncio event loop. uvloop is implemented in Cython and uses libuv under the hood.
The project documentation can be found here. Please also check out the wiki.
Performance
uvloop makes asyncio 2-4x faster.
The above chart shows the performance of an echo server with different message sizes. The sockets benchmark uses loop.sock_recv() and loop.sock_sendall() methods; the streams benchmark uses asyncio high-level streams, created by the asyncio.start_server() function; and the protocol benchmark uses loop.create_server() with a simple echo protocol. Read more about uvloop performance.
Installation
uvloop requires Python 3.5 or greater and is available on PyPI. Use pip to install it:
$ pip install uvloop
Using uvloop
To make asyncio use uvloop, you can install the uvloop event loop policy:
import asyncio
import uvloop
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())Building From Source
To build uvloop, you’ll need Python 3.5 or greater:
Clone the repository:
$ git clone --recursive git@github.com:MagicStack/uvloop.git $ cd uvloopCreate a virtual environment and activate it, for example:
$ python3.7 -m venv uvloop-dev $ source uvloop-dev/bin/activateInstall development dependencies:
$ pip install -r requirements.dev.txtBuild and run tests:
$ make && make test
License
uvloop is dual-licensed under MIT and Apache 2.0 licenses.
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