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关于iTLB设计的疑问 #1556

Answered by Lemover
wangrongwei asked this question in Q&A
May 18, 2022 · 1 comments · 2 replies
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香山的itlb一直沿用了最开始的设计,后续没有再改进。一方面是因为对itlb的压力比较小,另一方面是itlb的时序比较紧张,就没有将所有的项都支持大页。简而言之就是,性能够用,为了时序不再复杂化。
在下一代香山设计中,itlb将会采用类似dtlb的设计,提升容量,提高访问l2tlb的并行度,优化时序等等。
欢迎您提出建议。

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