{
  "runtime": "native Linux g++ with __EMSCRIPTEN_PTHREADS__ adapter and -pthread -O3 -std=c++17",
  "availableLogicalCpus": 4,
  "recordedAt": "2026-10-05",
  "sourceRevision": "5335a35",
  "scope": "Temporary CSR edge-index experiment only; alpha cache disabled. Each case builds one topology then alternates linked-list/indexed extraction3times. Complete network JSON and every tetrahedron region checked against same-topology original CPU regions.",
  "lookupEquality": "Identical hit counts and aggregate pointer-sum checksum across1M deterministic mixed finite-tet edge queries. Individual per-query pointers were not asserted.",
  "nativeAndWasmTimings": "Native Linux timings and layout estimates are not measurements of Wasm performance.",
  "prototypeSourceSha256": {
    "dxa-profile.cpp": "56a9b67d22fcceb2f468f272f63cd4e30fc8cc10a49a3e0e540c5782e111a8a9",
    "profile.h": "51166b5ec0efcd2e4cdb63d4b9e4c33f3547d474f3bb9d8dc947d06664ade2f5",
    "dxa/upstream/ovito/crystalanalysis/modifier/dxa/ElasticMapping.h": "99df554dbe2bd6398403cac02f4747e966f6f8ca261090008b3f5386f0907969",
    "dxa/upstream/ovito/crystalanalysis/modifier/dxa/ElasticMapping.cpp": "049f7084c64ea7cf7da24bfda959f0dae977851bbd369fcfad768374e6819508"
  },
  "decision": "Do not adopt: build+finish savings vary by dataset/threadcount; Fe4 regresses, Fe2 is marginal, and additional memory is required. No production C++/checksum/Wasm changes. GPU snapshot packing uses a separate unordered edge-key map and is not accelerated by this index.",
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