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From: Florian Weimer <Florian.Weimer@RUS.Uni-Stuttgart.DE>
Subject: Re: Very Large Arrays (VLAs)
Date: 30 Jan 2001 13:35:06 +0100
Date: 2001-01-30T13:35:06+01:00	[thread overview]
Message-ID: <tgzog98bgl.fsf@mercury.rus.uni-stuttgart.de> (raw)
In-Reply-To: dale-99458E.23125530012001@news-server

Dale Stanbrough <dale@cs.rmit.edu.au> writes:

> Robert Dewar wrote:
> 
> > To allocate them is just a matter of available virtual
> > memory. Clearly if you declare
> > 
> >   type x is array (Natural) of Natural;
> >   v : x;
> > 
> > you are NOT going to succeed if you have only 32-bits of
> > address space :-)

> Unless of course Natural (being a subtype of Integer) is only 16 
> bits long (which is all we can rely on ;-), and we have a 32 bit
> environment. I'm not sure there are that many architectures like
> that, but the older segmented intel architectures may have been 
> in this category.

IIRC, the 80286 architecture only has 24 address bits.



      reply	other threads:[~2001-01-30 12:35 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-29 15:48 Very Large Arrays (VLAs) Marc A. Criley
2001-01-30  6:29 ` Robert Dewar
2001-01-30 12:20   ` Dale Stanbrough
2001-01-30 12:35     ` Florian Weimer [this message]
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