Because you're trying to figure out how your application scales with different memory speeds.
On Mon, Sep 20, 2010 at 07:52:25PM +0200, Jonathan Aquilina wrote: > why would you want to run ram that is slower then the motherboard supports > anyway? i dont see any advantages of doing that. isnt the whole point to try > and speed up the calculation process? > > On Mon, Sep 20, 2010 at 7:47 PM, Greg Lindahl <lind...@pbm.com> wrote: > > > I'm sure that some BIOSes have that kind of feature, but none of the > > ones that I'm currently using do. > > > > On Sun, Sep 19, 2010 at 08:06:39AM +0200, Jonathan Aquilina wrote: > > > Greg correct me if im wrong but cant you put in the memory which is > > > compatible with the system and slow the memory bus down via the bios? > > > > > > > > > > * On x86, it's not hard to slow down the memory system by reducing the > > > > # of channels, putting in slow memory, or adding more devices such > > > > that the bus slows down. And sometimes it's possible to get the same > > > > cpu with ddr2 and ddr3. > > > > > > > > > > > > > > -- > > > Jonathan Aquilina > > > > > > -- > Jonathan Aquilina _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
