Orion Vianna wrote: > I could be wrong but IIRC your video card memory is included in the 4gb > limit. Lots of cards are coming with 1gb of ram so you are left with 3gb > of system ram on a 32bit system. > > If you are using virtual machines a lot, (or working on huge image files > heheh) the more memory the better. I'm using 64bit Karmic ubuntu for 2 > months and so far I haven't had any major problems. Flash player had > some full screen bugs but that seem to have gone...
One other thing to consider is that 64 bit programs typically use more memory. Lots of datastructures rely on the storage of pointers, and pointers are twice as big in the 64-bit world. I've witnessed about a 25% increase in memory usage in one case. > > > info on windows xp 32bit memory limits > http://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx#physical_memory_limits_windows_xp > > <http://msdn.microsoft.com/en-us/library/aa366778%28VS.85%29.aspx#physical_memory_limits_windows_xp> > > On 2/9/2010 5:49 PM, John D. Mort wrote: > > My understanding was that 32bit could only address about 3.5gb RAM. > > I'm on my phone right now so I can't verify but some googlemancy > > should clear that up. > > > > On 2/9/10, xe22<[email protected]> wrote: > > > >> > >>> The main reason to run 64-bit is if you have> 3GB of RAM. You can run> > >>> 3GB > >>> of RAM with 32-bit if you use PAE [Physical Address Extension], but PAE > >>> still > >>> only allows individual applications to use up to 3 GB of RAM. Most > >>> applications don't need that much RAM (for now), so this is mostly a > >>> non-issue. > >>> > >>> So IMHO it doesn't really matter one way or the other which you choose; I > >>> went > >>> over to 64-bit mainly to try it out and see what issues I'd run into -- > >>> which > >>> are minimal -- only a couple of missing packages, and if I actually cared > >>> I > >>> could install the missing packages from 32-bit to get around that issue. > >>> > >>> -- Chris > >>> > >>> > >>> > >>> > >> I thought 32 bit could use up to 4GB of memory, and 64 > >> had a much higher limit. If not you just saved me from > >> buying 2 more sticks to make it four. > >> > >> Louis > >> > >> _______________________________________________ > >> Mid-Hudson Valley Linux Users Group http://mhvlug.org > >> http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug > >> > >> Upcoming Meetings (6pm - 8pm) MHVLS Auditorium > >> Mar 3 - Sahana and 7 Years of MHVLUG Celebration > >> Apr 7 - Nagios > >> May 5 - Android > >> > >> > > > > > > _______________________________________________ > Mid-Hudson Valley Linux Users Group http://mhvlug.org > http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug > > Upcoming Meetings (6pm - 8pm) MHVLS Auditorium > Mar 3 - Sahana and 7 Years of MHVLUG Celebration > Apr 7 - Nagios > May 5 - Android > ============================================================================= michaelMuller = [email protected] | http://www.mindhog.net/~mmuller ----------------------------------------------------------------------------- Those who do not understand Unix are condemned to reinvent it, poorly. -- Henry Spencer ============================================================================= _______________________________________________ Mid-Hudson Valley Linux Users Group http://mhvlug.org http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug Upcoming Meetings (6pm - 8pm) MHVLS Auditorium Mar 3 - Sahana and 7 Years of MHVLUG Celebration Apr 7 - Nagios May 5 - Android
