lscpu - c

Return To c System Information

Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Address sizes:                   43 bits physical, 48 bits virtual
Byte Order:                      Little Endian
CPU(s):                          64
On-line CPU(s) list:             0-63
Vendor ID:                       AuthenticAMD
BIOS Vendor ID:                  Advanced Micro Devices, Inc.
Model name:                      AMD EPYC 7551 32-Core Processor
BIOS Model name:                 AMD EPYC 7551 32-Core Processor                 Unknown CPU @ 2.0GHz
BIOS CPU family:                 107
CPU family:                      23
Model:                           1
Thread(s) per core:              2
Core(s) per socket:              32
Socket(s):                       1
Stepping:                        2
Frequency boost:                 enabled
CPU(s) scaling MHz:              63%
CPU max MHz:                     2000.0000
CPU min MHz:                     1200.0000
BogoMIPS:                        3999.50
Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid amd_dcm aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca sev sev_es
Virtualization:                  AMD-V
L1d cache:                       1 MiB (32 instances)
L1i cache:                       2 MiB (32 instances)
L2 cache:                        16 MiB (32 instances)
L3 cache:                        64 MiB (8 instances)
NUMA node(s):                    4
NUMA node0 CPU(s):               0-7,32-39
NUMA node1 CPU(s):               8-15,40-47
NUMA node2 CPU(s):               16-23,48-55
NUMA node3 CPU(s):               24-31,56-63
Vulnerability Itlb multihit:     Not affected
Vulnerability L1tf:              Not affected
Vulnerability Mds:               Not affected
Vulnerability Meltdown:          Not affected
Vulnerability Mmio stale data:   Not affected
Vulnerability Retbleed:          Mitigation; untrained return thunk; SMT vulnerable
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:        Mitigation; Retpolines, IBPB conditional, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds:             Not affected
Vulnerability Tsx async abort:   Not affected