NobleBlocks
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Original Research Article
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Tradeoffs inSupporting TwoPageSizes*

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Shared by Adam Zar on Oct 31, 2025 • 05:41 PM UTC
NobleBlocks IDNB7258332A
Authors:
$MarkD .Hill
,
tDavidA .Pattersonf
,
tDavidA .Pattersonf

Abstract

Ascomputer systemmainmemories getlargerandproces- sorcycles-per-instruction (CPIS)getsmaller, thetimespent inhandling translation lookaside buffer(TLB)misses couldbecome aperformance bottleneck. Weexplore relieving thisbottleneck by(a)increasing thepagesizeand (b)supporting twopagesizes. Wediscussho...

Subject

Address translation
pagesize
translation 1oo-kasidebuffer

Highlights

-Increasing the page size to 32KB dramatically reduces the TLB's contribution to CPI, but with a large increase in average working set size.
-Using a combination of small and large pages (4KB and 32KB) can improve TLB performance with only a modest increase in the working set size.
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