[parisc-linux] Swap space limitions for Linux on parisc

[Matthew Wilcox]

On Sat, Mar 09, 2002 at 02:00:31PM +1100, Duraid Madina wrote:
> A computational physics code. Ideally I would run it in 100s of GB of
> RAM. About two months of pain went into making it work (reasonably
> efficiently, in theory at least) in 100s of GB of swap.

Hmm.  You would probably be best off making it work by mmaping chunks
of a data file at a time.

> Now you have *me* curious; I don't mean to be an ignorant asshole, but
> what's the point of hppa64 if you *don't* support >4G address space?

Supporting >4GB of physical ram, which can be shared among multiple
processes, each being <4GB in size :-)

> *crying* does HP-UX support >4G address space? *finds wallet* :(
> Hmm, probably have to shell out more $$$ for the HP compilers too :\

gcc works fine on hpux...

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