[Discuss] Next AMD FX-8120 update

[Jerry Feldman]

On 03/18/2012 08:34 AM, markw at mohawksoft.com wrote:
> I finally got my AMD FX-8120 8 core system and have migrated to it. My old
> system, an AMD Athlon Dual Core, 8G RAM is now powered off waiting for a
> new job. My initial problem was a bad motherboard and my biggest obstacle
> to migration was wife and family and the responsibilities there of.
>
> So, quick summary:
> AMD FX-8120 8 core CPU
> 16 Gig RAM
> 1TB Boot drive (new)
> 1.5TB Data drive (removed from previous machine)
> Ubuntu 12.04
>
> My first impression was that it is not much faster than the old Dual Core
> Athlon when running a single task, but that turned out to be false. It
> does seem faster than the previous machine. I only have anecdotal
> information.
>
> Does anyone know of a good Linux benchmark?
>
> At work we have IBM servers using XEON Westmere processors, running
> similar clock speeds, the inexpensive AMD calculated SHA1 hashes faster
> than the XEON. I was surprised.
>
> The big win, of course, is multiple processes and threads. With the extra
> RAM, I am able to create good sized virtual machines with multiple CPUs.
>
> The processor itself is interesting. It isn't quite "8" true processors,
> but it isn't quite as useless as Intel's "Hyperthreaded" cores either. I
> will need to find time time to really test it.
Generally, we used to turn off hyperthreading. Hyperthreading gives you
extra pseudo cores, but they are not real cores.

-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix
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