tr1.txt

[nix-shell:~]$ seq 1000 | perf stat -e r002c:u,r0225:u,r0425:u,r0825:u,r0e25:u sort > /dev/null

 Performance counter stats for 'sort':

                 1      r002c:u
                 2      r0225:u
                43      r0425:u
                84      r0825:u
               129      r0e25:u

       0.001226514 seconds time elapsed

       0.000638000 seconds user
       0.000638000 seconds sys



[nix-shell:~]$ lscpu
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
Address sizes:       43 bits physical, 48 bits virtual
CPU(s):              24
On-line CPU(s) list: 0-23
Thread(s) per core:  2
Core(s) per socket:  12
Socket(s):           1
NUMA node(s):        1
Vendor ID:           AuthenticAMD
CPU family:          23
Model:               1
Model name:          AMD Ryzen Threadripper 1920X 12-Core Processor
Stepping:            1
CPU MHz:             3064.454
CPU max MHz:         3500.0000
CPU min MHz:         2200.0000
BogoMIPS:            6999.15
Virtualization:      AMD-V
L1d cache:           32K
L1i cache:           64K
L2 cache:            512K
L3 cache:            8192K
NUMA node0 CPU(s):   0-23
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 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 sme ssbd sev ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves 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

zen2.txt

❯ lscpu
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   43 bits physical, 48 bits virtual
CPU(s):                          32
On-line CPU(s) list:             0-31
Thread(s) per core:              2
Core(s) per socket:              16
Socket(s):                       1
NUMA node(s):                    1
Vendor ID:                       AuthenticAMD
CPU family:                      23
Model:                           113
Model name:                      AMD Ryzen 9 3950X 16-Core Processor
Stepping:                        0
Frequency boost:                 enabled
CPU MHz:                         3509.852
CPU max MHz:                     3500.0000
CPU min MHz:                     2200.0000
BogoMIPS:                        7000.35
Virtualization:                  AMD-V
L1d cache:                       512 KiB
L1i cache:                       512 KiB
L2 cache:                        8 MiB
L3 cache:                        64 MiB
NUMA node0 CPU(s):               0-31
Vulnerability Itlb multihit:     Not affected
Vulnerability L1tf:              Not affected
Vulnerability Mds:               Not affected
Vulnerability Meltdown:          Not affected
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:        Mitigation; Full AMD retpoline, IBPB conditional, STIBP always-on, RSB filling
Vulnerability Tsx async abort:   Not affected
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 fxs
                                 r_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fm
                                 a cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignss
                                 e 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_psta
                                 te sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsave
                                 opt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd arat n
                                 pt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgi
                                 f umip rdpid overflow_recov succor smca

❯ sudo wrmsr -a 0xc0011020 0x6404000000000

❯ seq 1000 | perf stat -e r002c:u,r0225:u,r0425:u,r0825:u,r0e25:u sort > /dev/null

 Performance counter stats for 'sort':

                 1      r002c:u
                 3      r0225:u
                40      r0425:u
                86      r0825:u
               129      r0e25:u

       0.001304755 seconds time elapsed

       0.001323000 seconds user
       0.000000000 seconds sys

❯ sudo wrmsr -a 0xc0011020 0x6404000000100

❯ seq 1000 | perf stat -e r002c:u,r0225:u,r0425:u,r0825:u,r0e25:u sort > /dev/null

 Performance counter stats for 'sort':

                 1      r002c:u
               129      r0225:u
                 0      r0425:u
                 0      r0825:u
               129      r0e25:u

       0.001243876 seconds time elapsed

       0.001274000 seconds user
       0.000000000 seconds sys