3 different CPUs:
Note: this CPU is virtual, it is the same as on slice.
Model name: Intel Xeon Processor (Cascadelake)
Stepping: 6
CPU MHz: 2095.068
BogoMIPS: 4190.13
Hypervisor vendor: KVM
Virtualization type: full
L1d cache: 768 KiB
L1i cache: 768 KiB
L2 cache: 96 MiB
L3 cache: 32 MiB
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 pdpe1gb rdtscp lm constant_ts c rep_good nopl xtopology nonstop_tsc cpuid tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_t imer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch topoext cpuid_fault invpcid_single pti ssbd ibrs ibpb stibp fsgsbase bmi1 avx2 smep bmi2 erms invpcid avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 arat pku osp ke avx512_vnni md_clear
CPU MHz: 2095.068
BogoMIPS: 4190.13
Hypervisor vendor: KVM
Virtualization type: full
L1d cache: 768 KiB
L1i cache: 768 KiB
L2 cache: 96 MiB
L3 cache: 32 MiB
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 pdpe1gb rdtscp lm constant_ts c rep_good nopl xtopology nonstop_tsc cpuid tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_t imer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch topoext cpuid_fault invpcid_single pti ssbd ibrs ibpb stibp fsgsbase bmi1 avx2 smep bmi2 erms invpcid avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 arat pku osp ke avx512_vnni md_clear
Year: 2019
Model name: Intel(R) Xeon(R) Gold 6230 CPU @ 2.10GHz
Stepping: 7
CPU MHz: 800.057
CPU max MHz: 3900.0000
CPU min MHz: 800.0000
BogoMIPS: 4200.00
Virtualization: VT-x
L1d cache: 1.3 MiB
L1i cache: 1.3 MiB
L2 cache: 40 MiB
L3 cache: 55 MiB
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopolo gy nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single intel_ppin ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpc id cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts hw p hwp_act_window hwp_epp hwp_pkg_req pku ospke avx512_vnni md_clear flush_l1d arch_capabilities
CPU MHz: 800.057
CPU max MHz: 3900.0000
CPU min MHz: 800.0000
BogoMIPS: 4200.00
Virtualization: VT-x
L1d cache: 1.3 MiB
L1i cache: 1.3 MiB
L2 cache: 40 MiB
L3 cache: 55 MiB
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopolo gy nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single intel_ppin ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpc id cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts hw p hwp_act_window hwp_epp hwp_pkg_req pku ospke avx512_vnni md_clear flush_l1d arch_capabilities
Year: 2022
Model name: AMD EPYC 9554 64-Core Processor
Stepping: 1
Frequency boost: enabled
CPU MHz: 3100.000
CPU max MHz: 3762.9880
CPU min MHz: 1500.0000
BogoMIPS: 6190.64
Virtualization: AMD-V
L1d cache: 4 MiB
L1i cache: 4 MiB
L2 cache: 128 MiB
L3 cache: 512 MiB
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 aper fmperf rapl pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 invpcid_single hw_pstate ssbd mba ibrs ibpb stibp ibrs_enhanced vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local avx512_bf16 clzero irperf xsave erptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl avx512vbmi umip pku ospke avx512_vb mi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid overflow_recov succor smca fsrm flush_l1d
Frequency boost: enabled
CPU MHz: 3100.000
CPU max MHz: 3762.9880
CPU min MHz: 1500.0000
BogoMIPS: 6190.64
Virtualization: AMD-V
L1d cache: 4 MiB
L1i cache: 4 MiB
L2 cache: 128 MiB
L3 cache: 512 MiB
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 aper fmperf rapl pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 invpcid_single hw_pstate ssbd mba ibrs ibpb stibp ibrs_enhanced vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local avx512_bf16 clzero irperf xsave erptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl avx512vbmi umip pku ospke avx512_vb mi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid overflow_recov succor smca fsrm flush_l1d
OpenSSL discards AVX512 flag on all Skylake CPUs!
Relevant commit: https://github.com/ydb-platform/ydb/blob/119ebfe04de92403f1bdd7ceae93c6a93fc5190a/contrib/libs/openssl/asm/linux/crypto/x86_64cpuid.s#L171
cypher, size, max_speed (MiB/s), avg_speed (MiB/s)
openssl_chacha20, 4096, 3752.4, 1352.58
openssl_chacha20, 262144, 3663.7, 2485.26
openssl_chacha20, 4194304, 3904.25, 3439.23
openssl_chacha20, 8388608, 3808.19, 3387.77
openssl_aes128, 4096, 4273.8, 1827.91
openssl_aes128, 262144, 5048.26, 3769.94
openssl_aes128, 4194304, 4302.19, 3779.06
openssl_aes128, 8388608, 4608.6, 3912.29
avx512_chacha8, 4096, 8585.16, 4531.61
avx512_chacha8, 262144, 4890.74, 4083.83
avx512_chacha8, 4194304, 6264.77, 5142.13
avx512_chacha8, 8388608, 7222.22, 5262.83
chacha8, 4096, 2727.83, 2510.44
chacha8, 262144, 2194.06, 2001.14
chacha8, 4194304, 2685.72, 2335.22
chacha8, 8388608, 2561.69, 2360.04
memcpy, 4096, 43402.8, 32825.6
memcpy, 262144, 46781.4, 24742.7
memcpy, 4194304, 5309.65, 5118.45
memcpy, 8388608, 5270.87, 4802.38
cypher, size, max_speed (MiB/s), avg_speed (MiB/s)
openssl_chacha20, 4096, 1459.73, 830.94
openssl_chacha20, 262144, 3374.32, 2507.65
openssl_chacha20, 4194304, 4075.59, 3812.21
openssl_chacha20, 8388608, 3937.22, 3794.65
openssl_aes128, 4096, 4389.04, 2868.02
openssl_aes128, 262144, 5442.12, 4338.92
openssl_aes128, 4194304, 5073.97, 4790.98
openssl_aes128, 8388608, 4912.76, 4540.2
avx512_chacha8, 4096, 8585.16, 8206.41
avx512_chacha8, 262144, 4844.96, 4062
avx512_chacha8, 4194304, 8215.17, 7450.37
avx512_chacha8, 8388608, 7871.24, 6741.35
chacha8, 4096, 2747.01, 2602.43
chacha8, 262144, 2189.89, 1951.86
chacha8, 4194304, 2970.88, 2538.68
chacha8, 8388608, 2915.8, 2639.41
memcpy, 4096, 46503, 36169
memcpy, 262144, 50782, 19196.8
memcpy, 4194304, 5354.42, 5150.62
memcpy, 8388608, 5576.23, 4951.35
cypher, size, max_speed (MiB/s), avg_speed (MiB/s)
openssl_chacha20, 4096, 4938.37, 3590.3
openssl_chacha20, 262144, 5267.26, 5145.52
openssl_chacha20, 4194304, 5231.17, 5181.47
openssl_chacha20, 8388608, 5218.36, 5195.51
openssl_aes128, 4096, 7796.91, 3859.93
openssl_aes128, 262144, 9251.72, 9044.86
openssl_aes128, 4194304, 9245.78, 9187.31
openssl_aes128, 8388608, 9228.03, 9163.91
avx512_chacha8, 4096, 8293.52, 7750.5
avx512_chacha8, 262144, 8637.37, 8549.64
avx512_chacha8, 4194304, 8524.13, 8477.88
avx512_chacha8, 8388608, 8502.62, 8460.52
chacha8, 4096, 3364.56, 3279.81
chacha8, 262144, 3358.73, 3327.74
chacha8, 4194304, 3332.83, 3327.32
chacha8, 8388608, 3332.55, 3326.09
memcpy, 4096, 78125, 69754.5
memcpy, 262144, 55102.5, 48572
memcpy, 4194304, 27349.9, 27105
memcpy, 8388608, 27047, 26906.3