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cpuid

Parse the CPUID instruction.

Source: http://www.etallen.com/cpuid.html

GitHub manual mirror: https://github.com/ehabkost/cpuid

Usage:

cpuid

Sample output through head -n20:

CPU 0:
   vendor_id = "GenuineIntel"
   version information (1/eax):
      processor type  = primary processor (0)
      family          = Intel Pentium Pro/II/III/Celeron/Core/Core 2/Atom, AMD Athlon/Duron, Cyrix M2, VIA C3 (6)
      model           = 0xa (10)
      stepping id     = 0x9 (9)
      extended family = 0x0 (0)
      extended model  = 0x3 (3)
      (simple synth)  = Intel Core i3-3000 (Ivy Bridge L1) / i5-3000 (Ivy Bridge E1/N0/L1) / i7-3000 (Ivy Bridge E1) / Mobile Core i3-3000 (Ivy Bridge L1) / i5-3000 (Ivy Bridge L1) / Mobile Core i7-3000 (Ivy Bridge E1/L1) / Xeon E3-1200 v2 (Ivy Bridge E1/N0/L1) / Pentium G1600/G2000/G2100 (Ivy Bridge P0) / Pentium 900/1000/2000/2100 (P0), 22nm
   miscellaneous (1/ebx):
      process local APIC physical ID = 0x0 (0)
      cpu count                      = 0x10 (16)
      CLFLUSH line size              = 0x8 (8)
      brand index                    = 0x0 (0)
   brand id = 0x00 (0): unknown
   feature information (1/edx):
      x87 FPU on chip                        = true
      virtual-8086 mode enhancement          = true
      debugging extensions                   = true