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#if defined(__i386__)static __inline__ unsigned long long rdtsc(void) {unsigned long long int x;__asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));return x;...RDTSC — Read Time-Stamp Counter - felixcloutier.com
RDTSC—Read Time-Stamp Counter - GitHub Pages
Rdtsc - Assembly Language Reference
Intel Pentium Instruction Set Reference - RDTSC - Read Time …
RDTSC | x86 Instruction Set Reference
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