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March 12, 2012, Filed Under: Computer Architecture, Computer Hardware, Performance, Reference

What good are “Large Pages” ?

I am often asked what “Large Pages” in computer systems are good for. For commodity (x86_64) processors, “small pages” are 4KiB, while “large pages” are (typically) 2MiB. The size of the page controls how many bits are translated between virtual and physical addresses, and so represent a trade-off between what… read more 

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