10.11.2014 Views

The IA-64 System Architecture - DIG64

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<strong>64</strong>-bit Address Space:<br />

Large and Sparse<br />

l Requires increased TLB capacities<br />

– Mapped files, globally shared memory<br />

– Allow for multiple large on/off-chip<br />

TLBs<br />

– Provide wide range of page sizes<br />

l Improve utilization and sharing of TLB and<br />

page tables<br />

– No TLB flush on context switch<br />

– Promote TLB entry sharing<br />

<strong>IA</strong>-<strong>64</strong> Overcomes Challenges Of <strong>64</strong>-bit<br />

Address Space Efficiently<br />

®

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