[PLUG] 64-bit programming

[Joshua Hoblitt]

One more... if you need 64 bit int support you will pay a heavy
performance cost on a x86 cpu.  SMP does not equal 32 x 2 = 64 bit
support (the amount of shared data needed is prohibitive).

-J

On Sun, 16 Jun 2002, Steve Bonds wrote:

> Two big reasons:
>
> 1) Memory space (no 4GB limit)
> 2) Single-threaded performance (SMP is great for multithreaded apps, but
> not everything can be multithreaded)
>
>   -- Steve
>
> On Sat, 15 Jun 2002, Carla Schroder pluglist at bratgrrl.com XXXXXXXXXXXXXXXXXXX wrote:
>
> > Any thoughts on programming for a 64-bit cpu like the Itanium, other than it
> > sounds like a speech impediment? Are there practical reasons? Kylix is
> > strictly IA32, and may someday support 64-bit cpus. Then again, maybe not.
> > gcc of course has IA64 and Alpha support. I'm wondering does it really matter
> > in these days of distributed computing and low-cost clusters and SMP, why
> > complicate things by introducing yet another complication? Just string
> a herd
> > a them IA32s together.
> >
> > Thanks,
> > Carla
> >
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> >
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>
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