{
  "purpose": "Educational nonlinear Fourier reference; not a performance benchmark or scientific campaign claim",
  "recorded_date": "2026-10-25",
  "source_repository": "https://github.com/ahojukka5/OpenPFC",
  "source_revision": "c96f370cdfd1e2e702410b8ae79033471e8c9b8f",
  "source_state": "clean",
  "source_ref": "test/689-nonlinear-reference",
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    "hdf5": true,
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    "hip": false,
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  "configuration": "Release",
  "fft": {
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    "version": "2.4.1",
    "backend": "FFTW",
    "fftw_version": "unknown"
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  "reference": "direct non-circular complex cubic convolution + RK4, step counts 2048 and 4096; same retained cutoff per run",
  "rank_agreement_tolerance": 2e-11,
  "license": "AGPL-3.0-or-later",
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