#561: TonIO, a Multi-threaded Async Runtime for Python

· Michael Kennedy · Sept. 4, 2026, 9:44 a.m.
Summary
TonIO is a new multi-threaded async runtime for Python that addresses the limitations of traditional asyncio regarding multi-core CPU usage. Unlike asyncio, which is bound to a single core, TonIO is built to utilize real threads and improve performance significantly. The author discusses its design and relevance in modern Python development, contrasting it with existing async frameworks.
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