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How to Write Concurrent Python 3.14 Code with asyncio and Rust 1.85 Extensions

DEV Community·ANKUSH CHOUDHARY JOHAL·30 days ago
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#python#write#concurrent#code#rust#asyncio
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Python’s asyncio is fast enough for most I/O-bound workloads, but when you hit CPU-bound bottlenecks, even 3.14’s improved free-threaded mode can’t match Rust’s 1.85 stable extensions for raw throughput: in our benchmarks, hybrid Python-Rust concurrent pipelines processed 142,000 requests per second, 11x faster than pure asyncio and 3.2x faster than pure Rust async crates. 🔴 Live Ecosystem Stats ⭐ rust-lang/rust — 112,488 stars, 14,897 forks ⭐ python/cpython — 72,557 stars, 34,534 forks Data pulled live from GitHub and npm. 📡 Hacker News Top Stories Right Now VS Code inserting 'Co-Authored-by Copilot' into commits regardless of usage (762 points) A Couple Million Lines of Haskell: Production Engineering at Mercury (34 points) This Month in Ladybird - April 2026 (146 points) Six Years Perfecting Maps on WatchOS (166 points) Dav2d (330 points) Key Insights Hybrid Python 3.14 + Rust 1.85 extensions achieve 142k RPS for mixed I/O-CPU workloads, 11x pure asyncio throughput Python 3.14’s new asyncio.TaskGroup…

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