DOS ain't dead

SmokeRand: new test suite for pseudorandom numbers generators (Announce)

posted by Rugxulo , Usono, 15.12.2025, 11:22

> What it is advantage of RDTSCP over RDTSC?

Not entirely sure. It's newer (circa 2010?) and better somehow (SMP?). Honestly, they say it's not enough but apparently needs help from LFENCE/MFENCE and/or (Intel only) SERIALIZE. Lots of talk about out-or-order and how it's only partially serializing.

IIRC, DJGPP's uclock() in libc tries to use RDTSC and catches SIGILL if not available.

Complete thread:

• SmokeRand: new test suite for pseudorandom numbers generators - avoskov, 15.12.2025, 00:12 (Announce)
  • SmokeRand: new test suite for pseudorandom numbers generators - Rugxulo, 15.12.2025, 05:34
    • SmokeRand: new test suite for pseudorandom numbers generators - avoskov, 15.12.2025, 08:53
      • SmokeRand: new test suite for pseudorandom numbers generators - Rugxulo, 15.12.2025, 11:22
        • SmokeRand: new test suite for pseudorandom numbers generators - avoskov, 15.12.2025, 12:06