RE: [RFC] 4-level page table directories.

From: Boehm, Hans <hans.boehm_at_hp.com>
Date: 2005-11-09 05:23:57
> -----Original Message-----
> From: Robin Holt
> 
> There is also the possibility that the app may be using the 
> pages sparsely and therefore wasting a larger percentage of 
> time zeroing memory which is never needed (smaller percent of 
> page fill).
> 
And, perhaps less significantly, there is a small set of applications
that try to use page protection to track accesses, e.g. for incremental
GC, faster checkpointing, or software DSM.  I expect those would
generally do considerably worse with 64K pages.

Hans
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Received on Wed Nov 09 05:24:30 2005

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