VIA Cyrix CIII (original generation 0.18u)
nothing: 28 cycles
locked add: 29 cycles
cpuid: 72 cycles
Pentium Pro
nothing: 33 cycles
locked add: 51 cycles
cpuid: 98 cycles
(base comparison - pure in order machine)
IDT winchip
nothing: 17 cycles
locked add: 20 cycles
cpuid: 33 cycles
-
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