The trade-off is performance. Every syscall goes through user-space interception, which adds overhead. I/O-heavy workloads feel this the most. For short-lived code execution like scripts and tests, it is usually fine, but for sustained high-throughput I/O, it can matter.
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，更多细节参见服务器推荐
Scroll to load interactive demo，这一点在搜狗输入法2026中也有详细论述
High-frequency (64B × 20000)，推荐阅读51吃瓜获取更多信息