The prospect sounds exciting. Jannik, if you do manage to get this to work with Moose, it would be great to document it :)
Cheers, Doru On Mon, Jul 23, 2012 at 2:15 PM, David T. Lewis <le...@mail.msen.com> wrote: > On Mon, Jul 23, 2012 at 09:26:18AM +0200, jannik.laval wrote: >> Dear pharoers, >> >> We are loading really big models in the Moose software analysis platform. >> This generate a lot of small objects and with the biggest model, we approach >> the limit of 2Gb of the VM. >> >> Is it possible for anyone who knows the VM to add extra memory space ? Going >> to 4Gb or maybe 8Gb would be a great thing. >> > > It is possible to have an image of at least 7GB (I have done this on > my PC with 8GB real memory). Currently this requires tracing the image > to a 64-bit object format with SystemTracer, and running the image > on an interpreter VM compiled for the 64-bit format. > > I expect that this will work for Moose in a Pharo image, although > performance of the garbage collector is likely to become an issue > as the memory grows with lots of smaller objects, and the 64-bit > interpreter VM will be significantly slower than a 32-bit Cog VM. > > If you want to try this with one of your images, I'll try to give you > some help. > > I believe that Eliot has longer term plans for 64-bit object formats, > VMs, and improved garbage collectors. > > Dave > > -- www.tudorgirba.com "Every thing has its own flow"
