Re: om2.6 What's currently showable ?
"Matt Dew" <[email protected]>
| Newsgroups | gmane.linux.cluster.openmosix.devel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, 2006-07-24 at 17:49 +0000, Florian Delizy wrote: > >> Well, yes what date would be usefull ? the potential completion time ? or the start date ? > >> > > > > Maybe both? That way people can tell when that estimate was last > > revised? > > > OK let's do that, I add a column for start date, planned ending, and > last re-evaluation date when I can (seems you are currently modifying it > :D ) Odd. I tried to open it but wasn't logged in. I didn't know that locked it. Sorry about that. > > > > > >>> Matt > >>> > >>> On Mon, 2006-07-24 at 15:37 +0000, Florian Delizy wrote: > >>> > >>> > >>>> Vincent Hanquez wrote: > >>>> > >>>> > >>>>> On Mon, Jul 24, 2006 at 03:49:21PM +0200, Florian Delizy wrote: > >>>>> > >>>>> > >>>>> > >>>>>> Well actually, that's the case ... If I choose to use the 2.6 > >>>>>> > >>>>>> > >>> kernel, > >>> > >>> > >>>>>> [CUT] > >>>>>> > >>>>>> > >>>>> Mmap is very complex syscall and very wide: > >>>>> - Anonymous private mmap is working already very well (that is the > >>>>> > >>>>> > >>> simplest) > >>> > >>> > >>>>> - File private mmap use to work, with the rinode thingie. not sure > >>>>> > >>>>> > >>> that's > >>> > >>> > >>>>> still the case now .. not tested for a while as well. > >>>>> - Anonymous shared mmap are not suppose to work yet, and should > >>>>> > > send > > > >>>>> back the process to the deputy. untested. > >>>>> - File shared mmap are not suppose to work either. untested > >>>>> > >>>>> all shared mmaping can be made to work though. with some > >>>>> read only mapping to catch write fault, and have handler to > >>>>> > >>>>> > >>> propagate > >>> > >>> > >>>>> stuff.. the performance now is another thing .. > >>>>> > >>>>> > >>>>> > >>>>> > >>>> ok, I added that to the todolist as well > >>>> > >>>> http://openmosix.snarc.org/wakka.php?wiki=ToDo > >>>> > >>>> > >>>> > >>>>>> This choice is quite important to me, and moreover, I can only > >>>>>> > > help > > > >>>>>> > >>>>>> > >>> > >>> > >>>>>> continuing to develop oM if I can proove the feasability with > >>>>>> > > oM2.6 > > > >>>>>> > >>>>>> > >>>>>> > >>>>> OM on 2.6 is definitely feasible. A experienced developer full > >>>>> > > time > > > >>>>> > >>>>> > >>> on > >>> > >>> > >>>>> it should complete it in few weeks I guess. > >>>>> > >>>>> > >>>>> > >>>>> > >>>>>> I am not sure that would be enough ... though ... I guess that > >>>>>> > >>>>>> > >>> programs > >>> > >>> > >>>>>> that we have to migrate are something like, using a shared lib, > >>>>>> > > now > > > >>>>>> > >>>>>> > >>> the > >>> > >>> > >>>>>> question is how would taht be done ... (I don't know yet). A > >>>>>> > > simple > > > >>>>>> > >>>>>> > >>> > >>> > >>>>>> scenario, if several programs are using a single shared lib, and > >>>>>> > >>>>>> > >>> all > >>> > >>> > >>>>>> programs are spread over different cluster nodes, would that work > >>>>>> > > ? > > > >>>>>> > >>>>>> > >>>>>> > >>>>> yes it definitively works. a shared lib is anyway a private > >>>>> > > mapping > > > >>>>> > >>>>> > >>> (or > >>> > >>> > >>>>> a shared mapping over non-writable stuff, which is the same as > >>>>> > >>>>> > >>> private). > >>> > >>> > >>>>> > >>>>> > >>>>> > >>>> > >>>> > > ------------------------------------------------------------------------- > > > >>> > >>> > >>>> Take Surveys. Earn Cash. 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