New question #247865 on Yade:
https://answers.launchpad.net/yade/+question/247865

Hello,

I have Yade-1.07.0 which I compiled from source. I want to test its performance 
up to 3 cores by running
yade-1.07.0 -j3 --performance
and in the same time I look at system monitor, I found that from beginning to 
the end, only one core is used for this performance test (I have 8-core PC). 
(See attached image: http://i.imgur.com/XtYzL4o.png)

System info:
Ubuntu 12.04 64 bit
Yade 1.07.0 compiled normally (OpenMP successfully included)
bogomips        : 4789.08
clflush size    : 64
cache_alignment : 64
address sizes   : 39 bits physical, 48 bits virtual
processor       : 7
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel(R) Core(TM) i7-4700MQ CPU @ 2.40GHz
stepping        : 3
microcode       : 0x12
cpu MHz         : 800.000
cache size      : 6144 KB
physical id     : 0
siblings        : 8
core id         : 3
cpu cores       : 4
apicid          : 7
initial apicid  : 7
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
----------------------------------

Did I do the right thing? I also see there is --threads/--cores syntax, how to 
use them?
And then how to correctly perform a multicore performance check with Yade?

Thanks in advance!

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