On 15/08/14 06:18, Josh Berkus wrote:
> Mark,
>
> Is the 60-core machine using some of the Intel chips which have 20
> hyperthreaded virtual cores?
>
> If so, I've been seeing some performance issues on these processors.
> I'm currently doing a side-by-side hyperthreading on/off test.
>
Hi Josh,
The board has 4 sockets with E7-4890 v2 cpus. They have 15 cores/30
threads. We've running with hyperthreading off (noticed the usual
steep/sudden scaling dropoff with it on).
What model are your 20 cores cpus?
Cheers
Mark
