, David Seifert <seifert@sequent.com>
From: nm <nmanisca@vt.edu>
List: port-alpha
Date: 08/04/1998 17:03:28
and of course one major reason os's on alpha take up so much ram is that
SRM is a pig!
SRM sits resident in memory and uses up quite a bit...
I do not know exactly how much it uses up but I have heard reports of
around 6 megs or so.
Anyone have more info on the mem requirements of SRM?
At 04:48 PM 8/4/98 -0400, Todd Vierling wrote:
>On Tue, 4 Aug 1998, David Seifert wrote:
>
>: > NetBSD/vax can run nicely on a 2MB machine :-)
>:
>: I have a ns32k box that can run a BSD-based OS in 0.75 MB.
>: It runs okay in 1 MB and nicely in 3.
>
>I have a PDP-11 simulator that can run V5 UNIX in 256K and a 1MB virtual
>_disk_. And? :)
>
>: Now I know that ns32k is one of the most efficient architectures,
>: that the alpha is RISC and 64 bits and has a larger page size, but
>: 10 times as large??? Something seems wrong here?
>
>Pointers and longs are twice as big. (64 bit vs. 32 bit.) Pagetables are
>_much_ bigger. The instruction set is nowhere near as compact (this is
>RISC). And, the subjective reason: Alphas were designed in the "new
>computing" world, where extra memory isn't as much of a concern.
>
>I wonder if V6 UNIX can be ported to run on a 65816 processor....
>
>--
>-- Todd Vierling (Personal tv@pobox.com; Bus. todd_vierling@xn.xerox.com)
>
>