32 entries may sound small by modern standards (current x86 processors have thousands of TLB entries), but it covers 128 KB of memory -- enough for the working set of most 1980s programs. A TLB miss is not catastrophic either; the hardware page walker handles it transparently in about 20 cycles.
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，更多细节参见搜狗输入法2026
Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
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