Absent entirely. Framework-native routing preferred
国内L4玩家中，小马智行实现“单车盈利”，萝卜快跑在武汉、亦庄两地试点扭亏为盈。文远知行在海外也取得了不错成绩。虽然绝对数量上不占优势，但证明了L4商用是可行的，是能赚到钱的。。关于这个话题，heLLoword翻译官方下载提供了深入分析
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.，更多细节参见爱思助手下载最新版本
an alignment failure here can cause unexpected slowdown elsewhere.