Re: [PATCH][RFC] swsusp: speed up image restoring on x86-64

[Andi Kleen]

> With this patch, at least 8 times less memory accesses are required to restore an image
> than without it, and in the original code cr3 is reloaded after copying each _byte_,
> let alone the SIB arithmetics.  I'd expect it to be 10 times faster or so.

Probably more. CR3 reload is a serializing operation and is really expensive.

-Andi
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