Re: [gentoo-user] Re: multiple installs

[Alecks Gates <alecks.g@gmail.com>]

On Sat, 2013-02-09 at 21:20 +1100, Adam Carter wrote:
> You could install to one of the Athlons, then copy it to the other two
>         Athlons and one of the FX machines.  Then, reconfigure the FX
>         install
>         for more CPUs and native -march, recompile world and copy it
>         to the
>         other two FX machines.
> 
> 
> Even that might not be worth it. Unless you're using something that
> benefits from the new instructions in the FXes, or requires the
> last .1% performance, a single install on an Athlon and copy onto the
> remaining 5 systems will give you more time for something else. From a
> support point of view the consistency can be a win. Just remember to
> specify the Althlon64 CPU type in the kernel config, but with 8 cores
> max.
> 
> 
> For the hardware, just select a superset of the two systems
> requirements in your kernel config. If you build as modules any
> superfluous code wont even be loaded. 
> 
That might even depend on the compiler version anyway.  But, I agree.
Building with -march=athlon (I think it's athlon?) on one FX machine and
copying to the rest would be fastest.
-- 
Alecks Gates <alecks.g@gmail.com>