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danalec/DMMSY-SSSP

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Experimental C implementation of “Breaking the Sorting Barrier for Directed Single-Source Shortest Paths” by Ran Duan, Jiayi Mao, Xiao Mao, Xinkai Shu, and Longhui Yin (STOC 2025)

3 mentions on Hacker News by 2 people: 2 stories, 1 comment · first 2026-02-23 · latest 2026-02-23

Mentions per year 3 mentions · busiest year 2026 (3)
20082026
  1. ▲ 2
    Issues with "C99 implementation of new O(m log^(2/3) n) shortest path algorithm"
    story by dunmalg · 2026-02-23 · 0 comments
  2. …The DMMSY core runs in ~800ns for 1M nodes. *Paper:* https://arxiv.org/pdf/2504.17033 *GitHub:* https://github.com/danalec/DMMSY-SSSP This is experimental—focused on correctness first. Would love feedback on edge cases, better…
  3. ▲ 111
    Show HN: C99 implementation of new O(m log^(2/3) n) shortest path algorithm
    story by danalec · 2026-02-23 · 28 comments