On 03.02.2018 20:38, Taiidan@gmx.com wrote:
On 02/03/2018 01:59 PM, Nico Huber wrote:
Hi Taiidan,
On 03.02.2018 18:20, Taiidan@gmx.com wrote:
Despite that probable memory slowdown I have noticed a significant gaming performance increase with my higher clocked 8 core vs my slower clocked 16 core but I am curious as to if it would be worth it to use a C32 board for gaming instead.
I would test that indeed. Games are often designed/optimized for very simple dual/quad core cases (number increasing, though). There also exist six-core C32 K10 processors, and, IIRC, they had a dedicated FPU per core.
Oooh I would to know more :0 Where did you hear about that?
Um, it's nothing special. I just assume K10 has an FPU per core, because the shared FPU model seemed rather special (on x86) when they introduced it with Bulldozer. So, a reference that Bulldozer cores share the FPU is easy to find [1][2]. It's harder to find a reference that K10 doesn't have that.
Though, the FPUs in later processors are much more advanced of course. Hard to predict if that plus the higher clock, or dedicated FPUs win the race. However, with 8 threads, I'd expect a newer CPU with 8 cores / 4 FPUs to be faster than an older one with 6 cores / 6 FPUs.
Nico
[1] https://en.wikipedia.org/wiki/Bulldozer_(microarchitecture) [2] https://en.wikipedia.org/wiki/File:AMD_Bulldozer_block_diagram_(CPU_core_blo...