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Why DuckDB 2.0 is faster

motherduck.com171 points52 comments
Screenshot of Why DuckDB 2.0 is faster

Commenters focused on the post's technical takeaways and presentation. Several praised the visualizations and noted practical improvements like the new C++ extension API improving development and distribution (stacktraceyo). One commenter (larodi) described how teams and tools such as Atlas and Fable iteratively traced source and runtime to find bottlenecks, framing the performance work as careful profiling rather than magic.

Opinion split sharply over the prose and use of generative tools. scythmic_waves and sagarm said the writing felt like it had been produced by an LLM and called it unreadable or prone to causing "brain scramblies," warning authors against relying on generated copy. In contrast, augment_me advised deliberately using an LLM to mimic a desired writerly style to satisfy stakeholders, and gwerbin defended LLMs as effective synthesis and debugging aids, arguing they can run experiments, compose tests, and accelerate performance work. The disagreement centers on whether LLMs harm clarity and trust in technical writing or are a legitimate productivity and engineering tool.

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