amd64 slower than i386 on identical AMD 64 system?

JoaoBR joao at
Wed Mar 15 11:14:39 UTC 2006

On Wednesday 15 March 2006 07:16, Claus Guttesen wrote:
> > SMP with single dual-core processors are randomly crashing when >2GB and
> > <4GB on standard MBs
> >  ...
> > I understand here that amd64 is still not dealing well with dual-cores
> > and more than 2GB of RAM
> I have two web-servers with 4 GB RAM, one with 4 single-core opterons,
> the other with 2 dual-core. I have one db-server with 8 GB RAM with 2
> dual-core, all working flawlessly. I have two web-servers with 4 GB
> RAM and 2 single-core opterons.

mine either

the problems I have only on standard MBs with athlon64 X2 processors, as said 
before I do not have them on server boards using opterons, but I still do not 
have dual-core opterons to check this out


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