Messages in this thread | | | Date | Tue, 12 Jun 2001 15:16:46 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: Any limitations on bigmem usage? |
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On Tue, 12 Jun 2001, Rob Landley wrote:
> Brilliant. You need what, a 6x larger cache just to break even with > the amount of time you're running in-cache?
That's going to be hard, since the cache will also need to be faster in order to feed the CPU core. Making a cache both larger AND faster at the same time will need some smart people.
> And of course the compiler is GOING to put NOPs in that because it > won't always be able to figure out something for the second and third > cores to do this clock, regardless of how good a compiler it is.
Compilers are also notoriously bad at runtime optimisations.
> That's just beautiful.
I also never expected Intel to dispose of themselves in such a cute way.
cheers,
Rik -- Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose...
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