However, this flexibility came at a cost for complex routes:
30-day money-back guarantee
。heLLoword翻译官方下载是该领域的重要参考
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.
圖像來源，Getty Images