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    "summary": "Presented shorter three-value sorting routines and hardware-specific speed comparisons, exposing the importance of the permitted program space and benchmark setup.",
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        "description": "The 14-instruction routine uses a loop. The repository erratum restricts the 15-instruction branchless routine to non-negative inputs; it is not a signed-input replacement as originally presented. These do not establish optimality within AlphaDev’s exact search grammar or a universal speed advantage. Neri explicitly makes no originality claim for the straightforward faster routine. Later Kauer code is separately credited. WRS read sources without compiling them or reproducing timings.",
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      "statement": "# Neri: a scoped challenge to Sort3AlphaDev comparisons\n\nPresented shorter three-value sorting routines and hardware-specific speed comparisons, exposing the importance of the permitted program space and benchmark setup.\n\n## Scientific scope\n\nThe 14-instruction routine uses a loop. The repository erratum restricts the 15-instruction branchless routine to non-negative inputs; it is not a signed-input replacement as originally presented. These do not establish optimality within AlphaDev’s exact search grammar or a universal speed advantage. Neri explicitly makes no originality claim for the straightforward faster routine. Later Kauer code is separately credited. WRS read sources without compiling them or reproducing timings.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nCassio Neri\n\nListed source contributors; individual labor shares are not measured\n\n\n\n## Original sources\n\n- [Cassio Neri, Shorter and faster than Sort3AlphaDev, arXiv:2307.14503v1 (2023)](https://arxiv.org/pdf/2307.14503v1)\n- [Author repository: Sort3 erratum and later contribution credit, commit 431ac0efcc216792f10e8f23d24a8ee387b3c348](https://raw.githubusercontent.com/cassioneri/sort3/431ac0efcc216792f10e8f23d24a8ee387b3c348/README.md)\n- [Author repository: sort.h, commit 431ac0efcc216792f10e8f23d24a8ee387b3c348](https://raw.githubusercontent.com/cassioneri/sort3/431ac0efcc216792f10e8f23d24a8ee387b3c348/sort.h)\n",
      "summary": "Presented shorter three-value sorting routines and hardware-specific speed comparisons, exposing the importance of the permitted program space and benchmark setup.",
      "title": "Neri: a scoped challenge to Sort3AlphaDev comparisons"
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    "id": "neri-sort3-followup",
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    "title": "Neri: a scoped challenge to Sort3AlphaDev comparisons",
    "context": "Algorithms and reproducibility",
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    "what_changed": "Presented shorter three-value sorting routines and hardware-specific speed comparisons, exposing the importance of the permitted program space and benchmark setup.",
    "scope": "Presented shorter three-value sorting routines and hardware-specific speed comparisons, exposing the importance of the permitted program space and benchmark setup. Scope limitation: The 14-instruction routine uses a loop. The repository erratum restricts the 15-instruction branchless routine to non-negative inputs; it is not a signed-input replacement as originally presented. These do not establish optimality within AlphaDev’s exact search grammar or a universal speed advantage. Neri explicitly makes no originality claim for the straightforward faster routine. Later Kauer code is separately credited. WRS read sources without compiling them or reproducing timings.",
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      {
        "title": "Cassio Neri, Shorter and faster than Sort3AlphaDev, arXiv:2307.14503v1 (2023)",
        "url": "https://arxiv.org/pdf/2307.14503v1",
        "locator": "Retained catalogue source evidence; All five pages read; Listing 1 and Listing 2 visually checked. Looping versus branchless programs, benchmark setup and no-originality statement retained. Native compilation and timings not reproduced."
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        "url": "https://raw.githubusercontent.com/cassioneri/sort3/431ac0efcc216792f10e8f23d24a8ee387b3c348/README.md",
        "locator": "Retained catalogue source evidence; Read the author correction restricting Sort3_15 to non-negative inputs and the separate acknowledgment of later Bernhard Kauer contributions."
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