1 time for i in $(seq 0 8 51); do echo $i; numactl -C $i -m 0 ./bin/stream -W 5 -N 5 -M 64M; done
2 0
3 STREAM copy latency: 1.59 nanoseconds
4 STREAM copy bandwidth: 10092.31 MB/sec
5 STREAM scale latency: 1.57 nanoseconds
6 STREAM scale bandwidth: 10169.16 MB/sec
7 STREAM add latency: 1.31 nanoseconds
8 STREAM add bandwidth: 18360.83 MB/sec
9 STREAM triad latency: 2.28 nanoseconds
10 STREAM triad bandwidth: 10503.81 MB/sec
11 8
12 STREAM copy latency: 1.55 nanoseconds
13 STREAM copy bandwidth: 10312.14 MB/sec
14 STREAM scale latency: 1.56 nanoseconds
15 STREAM scale bandwidth: 10283.70 MB/sec
16 STREAM add latency: 1.30 nanoseconds
17 STREAM add bandwidth: 18416.26 MB/sec
18 STREAM triad latency: 2.23 nanoseconds
19 STREAM triad bandwidth: 10777.08 MB/sec
20 16
21 STREAM copy latency: 2.02 nanoseconds
22 STREAM copy bandwidth: 7914.25 MB/sec
23 STREAM scale latency: 2.02 nanoseconds
24 STREAM scale bandwidth: 7919.85 MB/sec
25 STREAM add latency: 1.39 nanoseconds
26 STREAM add bandwidth: 17276.06 MB/sec
27 STREAM triad latency: 2.92 nanoseconds
28 STREAM triad bandwidth: 8231.18 MB/sec
29 24
30 STREAM copy latency: 1.99 nanoseconds
31 STREAM copy bandwidth: 8032.18 MB/sec
32 STREAM scale latency: 1.98 nanoseconds
33 STREAM scale bandwidth: 8061.12 MB/sec
34 STREAM add latency: 1.39 nanoseconds
35 STREAM add bandwidth: 17313.94 MB/sec
36 STREAM triad latency: 2.88 nanoseconds
37 STREAM triad bandwidth: 8318.93 MB/sec
38
39 lscpu
40 Architecture:          x86_64
41 CPU op-mode(s):        32-bit, 64-bit
42 Byte Order:            Little Endian
43 CPU(s):                64
44 On-line CPU(s) list:   0-63
45 Thread(s) per core:    2
46 Core(s) per socket:    16
47 Socket(s):             2
48 NUMA node(s):          2
49 Vendor ID:             GenuineIntel
50 CPU family:            6
51 Model:                 79
52 Model name:            Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
53 Stepping:              1
54 CPU MHz:               2500.000
55 CPU max MHz:           3000.0000
56 CPU min MHz:           1200.0000
57 BogoMIPS:              5000.06
58 Virtualization:        VT-x
59 L1d cache:             32K
60 L1i cache:             32K
61 L2 cache:              256K
62 L3 cache:              40960K
63 NUMA node0 CPU(s):     0-15,32-47
64 NUMA node1 CPU(s):     16-31,48-63