On Aug 2, 2012, at 10:28 PM, Stéphane Ducasse <[email protected]> wrote:
> > On Aug 2, 2012, at 10:17 PM, jannik.laval wrote: > >> Hi, >> >> I tried the VM included in Moose (moosetechnology.org). >> If I remember well, it is a cog vm. >> >> The maximal heap size is (precisely): 2138046463 bytes. >> Why this number ? I don't know. But I will need more than 2Gb. > > HI jannik > > was the system usable? > Because the problem with more memory is that you need specific GCes. It seems. I built a DSM on a 1300 packages system. Jannik > > Stef > > > >> >> I will try the 64bits vm, and see. >> >> Cheers, >> Jannik >> >> On Aug 1, 2012, at 7:51 PM, David T. Lewis <[email protected]> wrote: >> >>> Hi John, >>> >>> There is no regression in the interpreter VM ... well actually there was >>> about 6 months back, but I keep an eye on it and it's fixed again now :) >>> >>> The 32-bit interpreter VM will not fail on any 2GB or 4BG boundaries, >>> and an interpreter VM compiled for the 64-bit object format can handle >>> images greater than 7GB (probably much more, but my 8GB PC is too small >>> to do anything larger). >>> >>> I'm not sure if all of the necessary fixes are in place for the StackVM >>> and Cog. If not, I'm sure it will be addressed over time (it's just not >>> something that I have ever checked). >>> >>> I believe that Jannik is interested in running very large images, at >>> least on an experimental basis. For anything over a few GB, this requires >>> an interpreter VM and a 64-bit image. As you know, this is sure to run >>> into problems for the garbage collector as the number of objects >>> increases, but it would certainly be interesting to see how far the >>> current garbage collector can go in real world conditions before it >>> turns to mollasses. >>> >>> Dave >>> >>> >>> On Wed, Aug 01, 2012 at 08:57:02AM -0400, John McIntosh wrote: >>>> A few years back the interpreted virtual machine was fixed to allow an >>>> image to grow to the 4 GB limit. >>>> It is unclear to me if someone regressed the software to impose a 2GB limit >>>> again, or if the 2GB number >>>> mentioned is based on how things worked10 years ago? >>>> >>>> On Wed, Aug 1, 2012 at 5:01 AM, St?phane Ducasse >>>> <[email protected]>wrote: >>>> >>>>> >>>>> On Jul 31, 2012, at 11:46 PM, johnmci wrote: >>>>> >>>>>> David Lewis and I spent a far amount of time a few years back to make >>>>> the 32 >>>>>> vm 4gb clean. So are you running on stale knowledge here, or does the vm >>>>>> crash when to goes over 2gb? >>>>> >>>>> sorry my english limit does not let me know understanding what you mean >>>>> exactly. >>>>> Jannik in the context of moose would like to see if we can have image >>>>> larger than 500 mb (on mac it should be possible). >>>>> >>>>> Stef >>>>> >>> >> >> --- >> Jannik Laval >> >> > > --- Jannik Laval
