cod3monk
commented
6 years ago Can you provide the output of likwid-topology on both architectures?
Closed sguera closed 6 years ago
cod3monk
commented
6 years ago Can you provide the output of likwid-topology on both architectures?
sguera
commented
6 years ago Here it is for the Broadwell:
[guerrera@dmi-cl-login ~]$ likwid-topology
--------------------------------------------------------------------------------
CPU name: Intel(R) Xeon(R) CPU E5-2640 v4 @ 2.40GHz
CPU type: Intel Xeon Broadwell EN/EP/EX processor
CPU stepping: 1
********************************************************************************
Hardware Thread Topology
********************************************************************************
Sockets: 2
Cores per socket: 10
Threads per core: 1
--------------------------------------------------------------------------------
HWThread Thread Core Socket Available
0 0 0 0 *
1 0 1 0 *
2 0 2 0 *
3 0 3 0 *
4 0 4 0 *
5 0 5 0 *
6 0 6 0 *
7 0 7 0 *
8 0 8 0 *
9 0 9 0 *
10 0 10 1 *
11 0 11 1 *
12 0 12 1 *
13 0 13 1 *
14 0 14 1 *
15 0 15 1 *
16 0 16 1 *
17 0 17 1 *
18 0 18 1 *
19 0 19 1 *
--------------------------------------------------------------------------------
Socket 0: ( 0 1 2 3 4 5 6 7 8 9 )
Socket 1: ( 10 11 12 13 14 15 16 17 18 19 )
--------------------------------------------------------------------------------
********************************************************************************
Cache Topology
********************************************************************************
Level: 1
Size: 32 kB
Cache groups: ( 0 ) ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 7 ) ( 8 ) ( 9 ) ( 10 ) ( 11 ) ( 12 ) ( 13 ) ( 14 ) ( 15 ) ( 16 ) ( 17 ) ( 18 ) ( 19 )
--------------------------------------------------------------------------------
Level: 2
Size: 256 kB
Cache groups: ( 0 ) ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 7 ) ( 8 ) ( 9 ) ( 10 ) ( 11 ) ( 12 ) ( 13 ) ( 14 ) ( 15 ) ( 16 ) ( 17 ) ( 18 ) ( 19 )
--------------------------------------------------------------------------------
Level: 3
Size: 25 MB
Cache groups: ( 0 1 2 3 4 5 6 7 8 9 ) ( 10 11 12 13 14 15 16 17 18 19 )
--------------------------------------------------------------------------------
********************************************************************************
NUMA Topology
********************************************************************************
NUMA domains: 2
--------------------------------------------------------------------------------
Domain: 0
Processors: ( 0 1 2 3 4 5 6 7 8 9 )
Distances: 10 21
Free memory: 3702.58 MB
Total memory: 32671.7 MB
--------------------------------------------------------------------------------
Domain: 1
Processors: ( 10 11 12 13 14 15 16 17 18 19 )
Distances: 21 10
Free memory: 2110.73 MB
Total memory: 32768 MB
--------------------------------------------------------------------------------and for the Bulldozer:
--------------------------------------------------------------------------------
CPU name: AMD Opteron(TM) Processor 6274
CPU type: AMD Interlagos processor
CPU stepping: 2
********************************************************************************
Hardware Thread Topology
********************************************************************************
Sockets: 2
Cores per socket: 16
Threads per core: 1
--------------------------------------------------------------------------------
HWThread Thread Core Socket Available
0 0 0 0 *
1 0 1 0 *
2 0 2 0 *
3 0 3 0 *
4 0 4 0 *
5 0 5 0 *
6 0 6 0 *
7 0 7 0 *
8 0 8 0 *
9 0 9 0 *
10 0 10 0 *
11 0 11 0 *
12 0 12 0 *
13 0 13 0 *
14 0 14 0 *
15 0 15 0 *
16 0 16 1 *
17 0 17 1 *
18 0 18 1 *
19 0 19 1 *
20 0 20 1 *
21 0 21 1 *
22 0 22 1 *
23 0 23 1 *
24 0 24 1 *
25 0 25 1 *
26 0 26 1 *
27 0 27 1 *
28 0 28 1 *
29 0 29 1 *
30 0 30 1 *
31 0 31 1 *
--------------------------------------------------------------------------------
Socket 0: ( 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 )
Socket 1: ( 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 )
--------------------------------------------------------------------------------
********************************************************************************
Cache Topology
********************************************************************************
Level: 1
Size: 16 kB
Cache groups: ( 0 ) ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 7 ) ( 8 ) ( 9 ) ( 10 ) ( 11 ) ( 12 ) ( 13 ) ( 14 ) ( 15 ) ( 16 ) ( 17 ) ( 18 ) ( 19 ) ( 20 ) ( 21 ) ( 22 ) ( 23 ) ( 24 ) ( 25 ) ( 26 ) ( 27 ) ( 28 ) ( 29 ) ( 30 ) ( 31 )
--------------------------------------------------------------------------------
Level: 2
Size: 2 MB
Cache groups: ( 0 1 ) ( 2 3 ) ( 4 5 ) ( 6 7 ) ( 8 9 ) ( 10 11 ) ( 12 13 ) ( 14 15 ) ( 16 17 ) ( 18 19 ) ( 20 21 ) ( 22 23 ) ( 24 25 ) ( 26 27 ) ( 28 29 ) ( 30 31 )
--------------------------------------------------------------------------------
Level: 3
Size: 6 MB
Cache groups: ( 0 1 2 3 4 5 6 7 ) ( 8 9 10 11 12 13 14 15 ) ( 16 17 18 19 20 21 22 23 ) ( 24 25 26 27 28 29 30 31 )
--------------------------------------------------------------------------------
********************************************************************************
NUMA Topology
********************************************************************************
NUMA domains: 4
--------------------------------------------------------------------------------
Domain: 0
Processors: ( 0 1 2 3 4 5 6 7 )
Distances: 10 16 16 16
Free memory: 63414.8 MB
Total memory: 64431.7 MB
--------------------------------------------------------------------------------
Domain: 1
Processors: ( 8 9 10 11 12 13 14 15 )
Distances: 16 10 16 16
Free memory: 62528.9 MB
Total memory: 64511 MB
--------------------------------------------------------------------------------
Domain: 2
Processors: ( 16 17 18 19 20 21 22 23 )
Distances: 16 16 10 16
Free memory: 63737 MB
Total memory: 64511 MB
--------------------------------------------------------------------------------
Domain: 3
Processors: ( 24 25 26 27 28 29 30 31 )
Distances: 16 16 16 10
Free memory: 61490.1 MB
Total memory: 64495 MB
--------------------------------------------------------------------------------
In case of a Broadwell architecture, it retrieves:
In case of a Bulldozer architecture, it retrieves