Find cpu location

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# 1  
Old 08-30-2013
Find cpu location

Hi guys

we have come corrected errors and i would like to know where is cpu 23 located physicaly... Smilie

here the lscpu output (2 socket, 6 cores intel cpu):
Code:
 # lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                24
On-line CPU(s) list:   0-23
Thread(s) per core:    2
Core(s) per socket:    6
Socket(s):             2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 45
Stepping:              7
CPU MHz:               1200.000
BogoMIPS:              4588.30
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              15360K
NUMA node0 CPU(s):     0-5,12-17
NUMA node1 CPU(s):     6-11,18-23

can somebody help me find out where cpu 23 is located????
thx in adv
beta17
# 2  
Old 09-04-2013
CPU 23 is not a "real" CPU but a thread within a single logical processor.

"Physically" it would either be located on socket 1 or socket 2 but some processors share the same dice for both physical CPUs (if you opened the chasis you'd only find a single CPU component).

A thread may have affinity which means that it can be pinned to a single core/CPU or a range of cores where it can freely move.

Take a look at the contents of /proc/cpuinfo for more information.

If you really need a physical representation of a thread, then you'll be talking about electrical pulses running through a semiconductor array.

Last edited by verdepollo; 09-11-2013 at 03:12 PM..
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