Quite surprisingly, pure-Python asyncio, with the help of high-performance HTTP parser is faster than nodejs, which uses the same HTTP parser! Go is faster for 1 KiB responses, but uvloop+asyncio is measurably better for 10/100 KiB responses. The quality of service is excellent for asyncio and uvloop with httptools, as wells as for Go. Admittedly, httptools-based server is very minimal and does not include any routing logic, unlike other implementations. Nonetheless, the benchmark demonstrates how fast uvloop can be with an efficiently implemented protocol.
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