Template:Table of CPU flags: Difference between revisions
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<!-- generated by /opt/ccms/tasks/compare-cpu-flags; 2024-01-19 --> | <!-- generated by /opt/ccms/tasks/compare-cpu-flags; 2024-01-19 | ||
To expand acronyms, simply consult kernel sources: | |||
sed -n '/^#define.*X86_[A-Z]\+_\([A-Z0-9_]\+\)[^(].*[/][*]/ {s//\L\1\t\t/; s/[[:space:]]\?[*][/]//; p}' \ | |||
/usr/src/kernels/*/arch/x86/include/asm/cpufeatures.h \ | |||
| sort -u | column -s"$(printf '\t')" -t | |||
--> | |||
{| class="wikitable" style="text-align: center; margin: 1em auto 1em 1em;" | {| class="wikitable" style="text-align: center; margin: 1em auto 1em 1em;" | ||
|+ style="caption-side:bottom; text-align: left; font-weight: normal;" | Major CPU capability flags by node generation. For details, see: [https://en.wikipedia.org/wiki/CPUID#EAX.3D1:_Processor_Info_and_Feature_Bits CPUID instruction] in Wikipedia, a [https://unix.stackexchange.com/questions/43539/what-do-the-flags-in-proc-cpuinfo-mean StackExchange article], or <code>/usr/src/kernels/*/[https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h]</code> in kernel sources. | |+ style="caption-side:bottom; text-align: left; font-weight: normal;" | Major CPU capability flags by node generation. For details, see: [https://en.wikipedia.org/wiki/CPUID#EAX.3D1:_Processor_Info_and_Feature_Bits CPUID instruction] in Wikipedia, a [https://unix.stackexchange.com/questions/43539/what-do-the-flags-in-proc-cpuinfo-mean StackExchange article], or <code>/usr/src/kernels/*/[https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h]</code> in kernel sources. | ||
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| [https://en.wikipedia.org/wiki/SSE4#SSE4.2 sse4_2 ] || x || x || x || x | | [https://en.wikipedia.org/wiki/SSE4#SSE4.2 sse4_2 ] || x || x || x || x | ||
|} | |} | ||
Latest revision as of 16:57, January 19, 2024
| Flag name | gen5 | gen6 | gen7 | gen8 |
|---|---|---|---|---|
| cat_l2 cdp_l2 cldemote gfni movdir64b movdiri pconfig sha_ni umip vaes vpclmulqdq | – | – | – | x |
| avx512_bitalg | – | – | – | x |
| avx512_vbmi2 | – | – | – | x |
| avx512_vpopcntdq | – | – | – | x |
| avx512ifma | – | – | – | x |
| avx512vbmi | – | – | – | x |
| avx512_vnni | – | – | x | x |
| mpx | – | x | x | – |
| avx512bw | – | x | x | x |
| avx512cd | – | x | x | x |
| avx512dq | – | x | x | x |
| avx512f | – | x | x | x |
| avx512vl | – | x | x | x |
| art clwb flush_l1d ibpb mba md_clear ospke pku ssbd stibp tsc_deadline_timer xgetbv1 xsavec | – | x | x | x |
| 3dnowprefetch abm acpi aes aperfmperf apic arat arch_perfmon bmi1 bmi2 bts cat_l3 cdp_l3 cmov constant_tsc cqm cqm_llc cqm_mbm_local cqm_mbm_total cqm_occup_llc cx16 cx8 dca de ds_cpl dtes64 dtherm dts eagerfpu epb ept erms est f16c flexpriority fpu fsgsbase fxsr hle ht ida invpcid invpcid_single lahf_lm lm mca mce mmx monitor movbe msr mtrr nonstop_tsc nopl nx pae pat pbe pcid pclmulqdq pdcm pdpe1gb pebs pge pln pni popcnt pse pse36 pts rdrand rdseed rdt_a rdtscp rep_good rsb_ctxsw rtm sdbg sep smap smep smx ss sse sse2 sse4_1 ssse3 syscall tm tm2 tpr_shadow tsc tsc_adjust vme vmx vnmi vpid x2apic xsave xsaveopt xtopology xtpr | x | x | x | x |
| avx | x | x | x | x |
| avx2 | x | x | x | x |
| fma | x | x | x | x |
| adx | x | x | x | x |
| sse4_2 | x | x | x | x |