3 comments

  • gg5821 day ago
    tried a silly crossover mapping memory reclamation invariants (visibility, UAF, CAS) to old trigram structures in c11. surprisingly mapped 1:1 pretty well. put the puzzle and code snippets here
  • gg5821 day ago
    I wrote this post as a bit of an unconventional thought experiment.<p>The idea was to take the concepts of memory reclamation and pointer visibility (stuff you see in EBR or RCU) and map them onto medieval East Asian state-machine logic—specifically the structural and matrix ideas from the Song-Yuan period.<p>To keep it grounded in actual code, I set up a small concurrent deallocation puzzle using C11 atomics and mapped four classical trigram patterns (乾, 坤, 坎, 離) directly to real-world memory invariants:<p>* Revoking visibility via CAS before freeing (orthodox safe reclamation)<p>* Asymmetric pipeline handoffs<p>* Classic use-after-free bugs from premature freeing<p>* Race conditions caused by blind `memset` zeroing<p>It&#x27;s an attempt to see if ancient structural framing can provide an interesting symbolic vocabulary for modern low-level systems programming, without turning it into philosophical fluff. Thought some folks here might find the crossover interesting.