{
  "schema": "bethe-solver-efficiency-v1",
  "date": "2026-11-02",
  "model": "Sine-Gordon same-charge Bethe-Yang pair",
  "parameters": {
    "p": "2",
    "mass": "1",
    "length": "10",
    "number": "0.5",
    "levels": 1,
    "threads": 1,
    "max_iterations": 512
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  "baseline_source": "9ce2f881f0e4763042480e3875c0a6eb21ab1586",
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  "candidate_header_sha256": "f5a9d8a95d7ec899c2f8eb628ff54b43ba35ab377474970757c1d8fc0d5804a7",
  "uni20_revision": "1cb2474eb0a54e13ec7d5f2c1823752020b2425c",
  "build_provenance": {
    "candidate_binary_revision": "843cdd96d72086c9140e0a0c806561942677aa9f-dirty",
    "explanation": "Candidate binaries were built from the numerical patch before commit packaging and rebasing onto PR100. The solver matches the identified commit and header hash; only whitespace formatting changed after compilation. Original binary-reported identity is retained.",
    "cpu": "Intel Core i7-12700KF",
    "affinity": "CPU 0 for matched executable benchmarks",
    "blas_omp_threads": 1,
    "release_compiler": "GNU 13.3.0",
    "release_flags": "-O3 -DNDEBUG",
    "release_mplapack": "3.0.0, existing GCC13 Release provider; the solver uses phase quadrature, not linear algebra",
    "sanitizer_compiler": "Clang 19.1.1",
    "sanitizer_flags": "-O1 -g1, ASan and UBSan, MPFR CPU configuration"
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  "validation": {
    "release_tests": 24,
    "release_passed": 24,
    "sanitizer_selected_tests": 19,
    "sanitizer_passed_after_missing_frontend_build": 19,
    "setup_note": "The initial sanitizer selection included a CLI check whose dispersion executable was not built. It passed after building that target; the other 17 checks passed on their first run. No numerical setting was changed.",
    "additional_coverage": [
      "333-bit independent phase/kernel/energy reference",
      "bounded iteration count at unchanged full accuracy",
      "short-length, large-length and near-free bracket cases"
    ],
    "baseline_sanitizer_tests": 5,
    "baseline_sanitizer_passed": 5,
    "grid_regression": "Original mixed-result, failure, streaming and 129-level admission-window test passes in both builds without changes"
  },
  "scope": [
    "Full phase tolerance, residual-plus-error acceptance, arithmetic precision and failure budgets unchanged.",
    "All original assertions retained. No production special-case for the benchmark point.",
    "Three alternating Release repeats on a shared workstation; sanitizer comparisons are single runs.",
    "The table describes one matched physical level, not all couplings or whole-CI speedup.",
    "Small native timings are sensitive to timing granularity and shared-host effects; integrand counts are deterministic.",
    "The numerical checks do not bound omitted finite-volume wrapping corrections."
  ],
  "reproduce": "python tests/benchmark_sine_gordon_bethe_yang.py BASELINE_EXECUTABLE CANDIDATE_EXECUTABLE --precision fp64 long-double fp128 bits-128 bits-256 --repeats 3"
}