On Wed, 2010-04-21 at 13:57 +0300, Oleg Goldshmidt wrote:
> On Wed, Apr 21, 2010 at 12:53 PM, Gilboa Davara wrote:
>
> > In my experience (running a kernel based packet inspection software), HT
> > on Xeon 55xx yields around 15-20% performance benefit. (YMMV, of-course)
>
> YMMV is the operative
On Wed, Apr 21, 2010 at 12:53 PM, Gilboa Davara wrote:
> In my experience (running a kernel based packet inspection software), HT
> on Xeon 55xx yields around 15-20% performance benefit. (YMMV, of-course)
YMMV is the operative term here.
Shachar is right: the main problem with HT is increased c
Shimi,
>
> Intel's hyper-threading makes your system THINK you have two cores;
> It's actually one core, capable of doing the same amount of work. If
> your program is multi-process/thread it will perhaps have a slight
> advantage due to this because of how schedulers work (and what's done
> at "
2010/4/21 Shachar Shemesh
>
> If, as Shimi is saying, they are re-introducing them, maybe they think that
> they found reasonable solutions to the above problems.
>
It's not an IF, they already did ;)
See the specs: http://www.intel.com/products/processor/corei7/index.htm
-- Shimi
Shlomi Fish wrote:
Hi all!
I once read that in order to truly take advantage of having multiple cores on
the same CPU, then one needs to use several threads. On the other hand some
people assume or implied that if your application splits the work among
several processes, then it can also take
On Tue, Apr 20, 2010 at 11:25 PM, Shlomi Fish wrote:
> Hi all!
>
> I once read that in order to truly take advantage of having multiple cores
> on
> the same CPU, then one needs to use several threads. On the other hand some
> people assume or implied that if your application splits the work amon
Hi all!
I once read that in order to truly take advantage of having multiple cores on
the same CPU, then one needs to use several threads. On the other hand some
people assume or implied that if your application splits the work among
several processes, then it can also take advantage of multipl