I run simh on a sheevaplug with two concurrent HP2100 systems simulated with 
network based interconnect kits between the two. With only a single Arm core 
the performance takes a hit on CPU before memory becomes an issue. 

Sent from my iPad

On 8 Mar 2012, at 00:13, Jan-Benedict Glaw <jbg...@lug-owl.de> wrote:

> On Wed, 2012-03-07 23:33:32 +0000, Hittner, David T (IS) 
> <david.hitt...@ngc.com> wrote:
>> From: simh-boun...@trailing-edge.com [mailto:simh-boun...@trailing-edge.com] 
>> On Behalf Of Jan-Benedict Glaw
>>> Sent: Wednesday, March 07, 2012 4:19 PM
>>> On Wed, 2012-03-07 17:41:21 +0100, Jan-Benedict Glaw <jbg...@lug-owl.de> 
>>> wrote:
>>>> On Tue, 2012-03-06 19:21:13 -0700, Villy Madsen <villy.mad...@shaw.ca> 
>>>> wrote:
>>>>> Anyone given any thoughts to migrating Sim-H to the raspberry
>>>>> pi ????
>>>> 
>>>> The Raspberry is just an ARM-based system, isn't it? If anybody
>>>> is interested, I'd provide access to a PogoPlug running Arch
>>>> Linux, or even to two of them.
>>> 
>>> At least, SIMH compiles without any problem and the VAX emulator
>>> starts. However, I don't currently have set-up enough to test it
>>> for real.
>> 
>> How much of the 256MB memory was still available to give to the VAX?
> 
> Hard to say without testing it hard. Almost all of the 256MB RAM is
> used for caches. But when an application malloc()s as much (and uses
> it), the cache will be dropped.
> 
> For real, if there's not running anything else, you'll get 200MB RAM
> inside the simulated system without noticeable paging.
> 
> MfG, JBG
> 
> -- 
>      Jan-Benedict Glaw      jbg...@lug-owl.de              +49-172-7608481
> Signature of:                    Don't believe in miracles: Rely on them!
> the second  :
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