Re: gnat and heap size

[Kilgallen@SpamCop.net (Larry Kilgallen)]

In article <yUks7.5799$ev2.9466@www.newsranger.com>, Ted Dennison<dennison@telepath.com> writes:
> In article <9osjpt$a5l$1@nh.pace.co.uk>, Marin David Condic says...
>>
>>Must have missed the Solaris 7 part. Sorry. Not too familiar with how that
>>restricts memory use, but I seem to recall a similar situation quite a while
>>back in which there was one parameter that could be changed & a system
>>reboot performed that altered how much memory was available to a process.
>>
>>My recollection was that Solaris did not have many memory management
>>parameters - VMS certainly had considerably more control over process quotas
>>on all sorts of resources.
> 
> VMS also had a limit of about 1GB if I remember right. Its memory space was
> something like 4GB, divided into 4 sections. At least that's what I remember
> from 12 years ago or so when I was using it.

The 4GB memory space comes from the 2**32 address space on VAX.

Since then they have ported to Alpha, and the current page table
arrangement does not particularly limit virtual memory to be any
smaller than the amount of paging space you can fit on a disk.
But I do not believe Compaq offers any disks with 2**64 bytes
of space.  I don't believe they even offer any machines that
could hold that much disk space in total, even if you could
afford it.