反面教材（ops/04 §4.6 详述）：decode 场景小数据量下 Python dispatch overhead 才是大头 ——softmax 案例里 22% 的开销是 intermediate 创建与 类型转换，kernel fusion 消不掉 dispatch 本身，反而叠加自己的 launch。 QKT+softmax+AV 全融合被实测否决（目标只占 prefill 墙钟 0.8 ...

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I loaded a large JSON file in Python and watched memory jump from 43 MB to 808 MB. Here’s what happened and how streaming changed everything.

Learn how to write cleaner Python with enumerate, zip, generator expressions, itertools, and functional tools for readable, memory-efficient data processing.

Cogs allow you to structure your bot's code into modules. They keep your code tidy and orderly while also preventing your bot code from becoming a monolithic monstrosity. Cogs are a technique to ...