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Create custom tuning profiles that take advantage of the inherent quantities of the input data and CPU thread saturation/scheduling/parallelization to optimize the crate such that ALL benchmarks run 60% or quicker (1.4x faster). You can use the flamegraph crate to help with the profiling。关于这个话题，91视频提供了深入分析
// 易错点6：忘记将当前元素入栈，导致前面的元素无法匹配到当前值。关于这个话题，51吃瓜提供了深入分析
Ok, but you still don’t want to have to change your API to add this