[Vm-dev] linux 64bit vm running a 32 bit images - networking vm crash

John M McIntosh johnmci at smalltalkconsulting.com
Thu May 31 01:29:18 UTC 2007

On May 30, 2007, at 6:17 PM, Chris Muller wrote:

> I don't want a 4GB image, but I may want a lot of normal-sized Squeak
> images running on a piece of "big-iron".  But I guess the current VM's
> have some problem where the oop was defined as signed, so images
> cannot even *reside* above 1GB (or whatever it is).

2GB, and lurking are changes to fix that issue, but someone has to  
buckle down
and do testing, then mmm say oh yes should be fixed. But how would  
you know?

> So even if that was fixed, that would take 32-bit Squeak up to 4GB
> boundary, only if all 32-bits were for the oop.
> ... I saw this ad on the back of InfoRag earlier today.  Some IBM
> blade, multi-Xeon-multi-core, up to 48GB high-speed RAM, "starting" at
> $2K.  Cool, this could probably run a lot of images simultaneously,
> but how far could you go with 32-bit Squeak on this?

Depends on the image footprint, 3GB images then what 15 or so
Plus then one cpu needed for each Squeak VM, plus a couple of spares  
to do
operating system I/O, housekeeping etc. etc.

John M. McIntosh <johnmci at smalltalkconsulting.com>
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com

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