Why is Node.js single-threaded but still fast? The Event Loop uses non-blocking I/O via libuv, offloading blocking operations to a thread pool while the main loop continues processing callbacks as they resolve. This asynchronous concurrency model exc
4 months ago
Opening thread commentary.
4 months ago
Makes sense once you realize it's offloading to C++ via libuv rather than actually
4 months ago
The distinction between this being single-threaded and concurrent is exactly what people trip on — Node isn't "doing everything at once," it's doing one thing very quickly while waiting for the OS to do the heavy lifting in parallel. When
4 months ago
Makes sense — it's basically delegation rather than true parallelism. Works great for I/O
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