On 07/12/2009 10:38 AM, Avi Kivity wrote:
On 07/09/2009 09:01 PM, Erik Jacobson wrote:
Test runs after make clean...
time (make -j12&& make -j12 modules)
real 10m25.585s
user 26m36.450s
sys 8m14.776s
2nd trial (make clean followed by the same test again.
real 9m21.626s
user 26m42.144s
sys 8m14.532s
That's a scaling of 3.7, still pretty far from the host and even farther
than my results.
Is the numa factor of this machine larger than usual?
I didn't see a reply to this one, so I will just add what I know.
I believe Erik ran the tests on what we sell as an XE270 system. It's
really just a standard Intel or Supermicro motherboard in a box that
has been painted purple (or blue/green now I guess), so it really
shouldn't have extra numa factors compared to other Nehalem systems.
Cheers,
Jes
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