I'm not sure how you expect an answer when you don't define what things like "high performance" or "pretty slow and resource inefficient" even mean in your context.
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Ask HN: What are some examples of high performance Node.js apps?
Node was specifically built with performance in mind, which is one of the reasons it embraces the async I/O programming model so heavily. In addition, JavaScript runtimes such as v8 are some of the most optimized and engineered pieces of software ever made. Nevertheless it feels like most (non-web browser) JavaScript applications are pretty slow and resource inefficient.
What are some counter examples to this?
