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.
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核心指标2025年预期 (中国)2026年预期 (中国)全球主要经济体趋势 (2026)政策暗示与微观影响GDP实际增速5.0%左右 [1]4.5% - 4.8% [6, 10]2.7% - 3.3% (分化显著) [11, 12]增长质量优于增长速度，寻找结构性溢价 [7]CPI通胀水平止跌企稳 [5]0.6% - 0.72% (温和回升) [8, 9]3.1% (全球平均回落) [10]消费意愿修复，有利于服务业与溢价品牌 [1, 5]制造业投资稳中向好 [13]触底回升 (拉动主力) [5]AI相关基建持续高涨 [5, 14]“数智化”技改成为制造业生存门槛 [15, 16]出口增长率5.5% [13]压力与机遇并存 [1, 17]增速放缓至0.5%-2.2% [10, 17]多元化市场（东盟、拉美）替代北美单一依赖 [13, 18]财政政策基调积极有为 [3]更加给力、投资于人 [1]普遍收紧但结构性扩张 [11]民生补贴与技能培训领域的公共支出增加 [5, 7]
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