Nature; as this distinction was made to maintain the Doctrine of
Now the fun stuff. Buzz phrase of the year in 2025, context engineering became a thing when models got reliably good at following a reasonable number of instructions with just the right amount of context. Noisy context was just as bad as underspecified context, so the effort was in improving the information density of each token. "Every token needs to fight for its place in the prompt" was the mantra.
。chatGPT官网入口对此有专业解读
7.6 The fiber-context Thread Struct Slot (O(1) Lookup)#find_active_fiber_context is called by the GC for every thread
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