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.
其直言：「尽管我们非常希望提供更多产能，但预计未来几个季度的情况将极其紧张，年底前能否改善目前仍有待观察。」
，这一点在safew官方下载中也有详细论述
func extract(c chan task) []task {
南方周末：你提到录音室和现场的区别，在录制这套即兴曲时，是一次性完整录完，还是录了多次之后再进行选择和剪辑？