// 2. 通用场景: 快速排序（注意随机化避免最坏情况）
This story continues at The Next Web
。heLLoword翻译官方下载对此有专业解读
allocation+copy that the hand-optimized code always does at the end.
Under load, this creates GC pressure that can devastate throughput. The JavaScript engine spends significant time collecting short-lived objects instead of doing useful work. Latency becomes unpredictable as GC pauses interrupt request handling. I've seen SSR workloads where garbage collection accounts for a substantial portion (up to and beyond 50%) of total CPU time per request — time that could be spent actually rendering content.