[dpdk-users] AVX-512

Tharaneedharan Vilwanathan vdharani at gmail.com
Fri Feb 23 20:16:14 CET 2018

Hi All,

I have a quick question. I got a new server with the CPU that should have
AVX-512 support but I don't see it in Linux (Ubuntu 18.04).

Here is the output:

auto at auto-virtual-machine:~$ *cat /proc/cpuinfo*
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 85
model name : *Intel(R) Xeon(R) Gold 6130 CPU @ 2.10GHz*
stepping : 4
microcode : 0x2000029
cpu MHz : 2095.078
cache size : 22528 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 22
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36 clflush dts mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm
constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc
cpuid pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt
tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm
3dnowprefetch cpuid_fault invpcid_single pti fsgsbase tsc_adjust bmi1 hle
avx2 smep bmi2 invpcid rtm rdseed adx smap xsaveopt arat
bugs : cpu_meltdown spectre_v1 spectre_v2
bogomips : 4190.15
clflush size : 64
cache_alignment : 64
address sizes : 42 bits physical, 48 bits virtual
power management:

Can someone tell me why I don't see AVX-512?

Appreciate your help.


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