如果直接用 C++ 开发，实验成本会变得极高。研究人员需要在一周内尝试几十种架构，频繁的编译等待会耗尽精力。在科研阶段，改动一行代码并立即看到结果的灵活性，比那几毫秒的执行差距更重要。AI 领域的竞争本质上是在比拼人类的迭代速度。

Mikeie Reiland is a staff writer for Education at Forbes Advisor. Before coming to Forbes Advisor, he wrote magazine journalism for publications like the Oxford American, Bitter Southerner, and Gravy.