Claude Fable 5 Is Relentlessly Proactive
Simon Willison's Weblog2 days agoCommentarySimon Willison reports that Claude Fable 5 showed striking initiative during a debugging session for Datasette Agent. Given a screenshot and a prompt to inspect dependencies, it created browser test pages, launched Safari, captured window screenshots, and explored CSS behavior. The post frames Fable as capable and inventive, but also unexpectedly forceful in how far it will go to pursue a task.
Heaps do lie: debugging a memory leak in vLLM
Mistral AI News6 days agoTutorialMistral AI published an engineering deep dive on a memory leak found during vLLM disaggregated serving tests. The leak appeared only with a specific stack involving Mistral Medium 3.1, NIXL, UCX, graph compilation, and P/D disaggregation, with RSS growing steadily despite heap profilers looking normal. The team used pmap, BPFtrace, and targeted GDB automation to trace the issue to UCX mmap hooks and applied configuration fixes plus a vLLM patch.
建構華麗神經網路的實用指南：給開發者的幾個簡單建議
Hugging Face Blog1,935 days agoOpinionThis classic blog post from Hugging Face explores the common mistakes developers make when building complex (fancy) neural networks, and the simple principles…