狗狗眼神賣萌難以抗拒 操縱人類的進化「伎倆」2019年6月19日
Three microcode cycles for the writeback alone. That's acceptable because segment loads are already expensive multi-cycle operations, and the designers likely expected them to be infrequent -- most programs load their segments once at startup and never touch them again. Page translations happen on every memory access, so the same approach would be ruinous. Hence the fully autonomous hardware walker.
。关于这个话题，heLLoword翻译官方下载提供了深入分析
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.，详情可参考爱思助手下载最新版本
这不仅仅是翻译，更是针对旅游场景的深度优化——能准确处理复杂的退改政策，消除了海外游客因“看不懂”而产生的决策顾虑。