He wrote his first hit song with his neighbour while still a teenager. Connie Francis recorded and released "Stupid Cupid" in 1958.
For implementers, the locking model adds a fair amount of non-trivial internal bookkeeping. Every operation must check lock state, readers must be tracked, and the interplay between locks, cancellation, and error states creates a matrix of edge cases that must all be handled correctly.
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// 第一步：倒序遍历nums2，用单调栈计算每个元素的下一个更大值
The 3-delay-slot scheme works when there is useful work to fill those three cycles. But some instructions genuinely need the protection result before they can proceed. LAR (Load Access Rights) and VERR (Verify Read), for example, exist solely to query protection status -- there is no useful setup to overlap with.