Intel vs AMD

[szilard]

xgboost, 1M records dataset, AWS EC2 m5 vs m5a:

m5.8xlarge

Model name:            Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
CPU MHz:               2499.998
L1d cache:             32K
L1i cache:             32K
L2 cache:              1024K
L3 cache:              36608K
NUMA node0 CPU(s):     0-31

taskset -c ... R ...

Time [s]:

0   26.729
0-1  22.222
0-3  14.65
0-7  11.837  
0-15  11.768
all 18.705

m5a.8xlarge

Model name:            AMD EPYC 7571
CPU MHz:               2199.986
L1d cache:             32K
L1i cache:             64K
L2 cache:              512K
L3 cache:              8192K
NUMA node0 CPU(s):     0-7,16-23
NUMA node1 CPU(s):     8-15,24-31

0  30.911
0-1  20.355
0-3  14.88
0-7  14.607
0-7,16-23   20.225
0-15  23.155
all 31.051