{
  "case": "gaussian_pulse",
  "level": 0,
  "reference_kind": "model-specific",
  "methods": {
    "m1": {
      "time": 0.25,
      "csv": "runs/l0/gaussian_pulse/m1/plots/gaussian_pulse/l0/slice.csv",
      "csv_sha256": "b32227b6dcca6c6d7fd454ed2e75beaa95eb2efa5d7d4baae5e329cf65a15525",
      "metadata_sha256": "d051dd5aa1e33f959fbc0078eac9853eba9d7954d394c2e4d3c1286efa074953",
      "leaf_slice_cells": 64,
      "display_slice_pixels": 64,
      "reference_slice_errors": {
        "er": {
          "L1": 5.7243376864982154e-05,
          "L2": 0.00014157291035752823,
          "Linf": 0.0005451647908560897
        },
        "fx": {
          "L1": 934521.8163181434,
          "L2": 2020099.000989514,
          "Linf": 7169529.157431947
        },
        "fy": {
          "L1": 934521.816318125,
          "L2": 2020099.0009895158,
          "Linf": 7169529.157431947
        },
        "fz": {
          "L1": 565712.7110067204,
          "L2": 1813816.1116855238,
          "Linf": 7169529.157431945
        }
      },
      "solver_full_volume_reference_errors": {
        "er": {
          "L1": 2.077154e-05,
          "L2": 7.295665e-05,
          "Linf": 0.0005451648
        },
        "fx": {
          "L1": 275465.4,
          "L2": 1018561.0,
          "Linf": 7169529.0
        },
        "fy": {
          "L1": 275465.4,
          "L2": 1018561.0,
          "Linf": 7169529.0
        },
        "fz": {
          "L1": 275465.4,
          "L2": 1018561.0,
          "Linf": 7169529.0
        }
      },
      "reference_error_scope": "area-weighted saved positive-side slice; not full-volume norms",
      "reference_model": "m1-reference",
      "reference_exact_for_solver": false,
      "reference_sampling": "cell averages",
      "reference_note": "Fourier telegraph-equation reference for isotropic, linearized radiation moments. Nonlinear M1 can retain a closure-model error at finite amplitude.",
      "reference_sha256": "26eff0f996628a1f9608063f02ca21ae30f4bdb6d6ffe73ac28d2f2ce64c1a7b",
      "reference_generator_sha256": null,
      "reference_diffusion_coefficient": null,
      "reference_kind": "linearized analytic reference",
      "radiation_model": "m1",
      "radiation_integrator": "euler",
      "radiation_algorithm_version": 1,
      "radiation_flux_semantics": "evolved_m1_flux",
      "radiation_reduced_c_factor": 1.0,
      "units": {
        "dx": "cm",
        "er": "erg/cm^3",
        "er_error": "erg/cm^3",
        "er_ref": "erg/cm^3",
        "fx": "erg/(cm^2 s)",
        "fx_error": "erg/(cm^2 s)",
        "fx_ref": "erg/(cm^2 s)",
        "fy": "erg/(cm^2 s)",
        "fy_error": "erg/(cm^2 s)",
        "fy_ref": "erg/(cm^2 s)",
        "fz": "erg/(cm^2 s)",
        "fz_error": "erg/(cm^2 s)",
        "fz_ref": "erg/(cm^2 s)",
        "t": "s",
        "x": "cm",
        "y": "cm",
        "z": "cm"
      },
      "executable_sha256": "82854f6db866ae424dd0b4608d8c6b9b4828b28e4d5f30f48d358097d19ab303",
      "solver_library_sha256": null,
      "source_sha256": {
        "octotiger/amr/gradient.hpp": "58d413487ecbbe95602ac1ec6f356c98630892efe180dcf8352c176bd2c529f5",
        "octotiger/elliptic/composite.hpp": "b9b4f2546c16b2faad29e9d274836734087ed228a20b9bac598b595dcd95df30",
        "octotiger/node_server.hpp": "251393239da4578cce67f36d32c77fb4d6573b510fcde50c9486b8ff2b07a6d6",
        "octotiger/options.hpp": "7e85349a0f9ca6328bae3d037069c417fa426f5c40507c83998c62233a8267a2",
        "octotiger/radiation/ap_flux.hpp": "0ae8a34ac32e552236ab9834dba4561db4b5529c9fab48e884228f7efdf2c262",
        "octotiger/radiation/conservation.hpp": "ee1ba1217456f5dadba7264b1e267631738829160a3ce30dac220581090438f9",
        "octotiger/radiation/fld.hpp": "845bb53693d57a56905f8f933d499280a4fcd95981e8bbb3b7627e30efc10c13",
        "octotiger/radiation/fld_runtime.hpp": "6beca5aa7fa56a4b4a5b4550550cde342bdd85aef126a3931da945d9e48fef25",
        "octotiger/radiation/implicit_source.hpp": "a6900613e9faa8bd89b7eca6f1e2000edbad37fc1c798c78fbda16c41283a9fe",
        "octotiger/radiation/m1.hpp": "799d29b02afed7a6f7e74ce0ff5d877581ca5d7066ae843bd0a69dbb3f79c7c6",
        "octotiger/radiation/marshak_boundary.hpp": "ee871989b9dfef029510c037a959385090e65e6f79abdca99b4bb0136a91ecaf",
        "octotiger/radiation/opacities.hpp": "322784f530ca087966f94ba01c1edc09ccb6985ed89e3ec4eee38e0b18660b29",
        "octotiger/radiation/rad_grid.hpp": "a22d4b1cc3b44e34999b316267f729ee1fd1964e915cb08ae52fa8ef324e65a4",
        "octotiger/test_problems/radiation/hydro_output.hpp": "5444eb3d37b67704ae03d2799f411903a050c5c1c4968bb78988336deb2c746b",
        "octotiger/test_problems/radiation/plot_output.hpp": "ddfff83c321f1f23e3dbacfe11842de5f9c7406975883cc416f12122bc73e47b",
        "octotiger/test_problems/radiation/profiles.hpp": "b51b5e4a0b21d141e8e491a368d0e8ae685c2e9db3e7ee3eb2819e36a17aceeb",
        "src/grid.cpp": "31c5728a84706ce529f42138e4f04fae405ce8a45ceff8f68902039739a0f784",
        "src/io/silo_in.cpp": "6495cbfd3ff6c6e138dbbbc67b6b477454a500b7afddc1591d72419a3340f144",
        "src/io/silo_out.cpp": "be8c15cb297d4f82a0ad74940e45a7ffdd3aeb8e63dc0a534d6281c25a54daf9",
        "src/node_server_actions_1.cpp": "5201b92e2e8e04455f7e1675b1fbfe046fde3144d31746d089c86380a01f80db",
        "src/node_server_actions_2.cpp": "ee5b8e794e5e17d0f2bf21489111344845ee0749b469639a32071fb3174f5398",
        "src/node_server_actions_3.cpp": "87fcf0cc90e9d56d0bdc7d89cd5f5d097961d04577edc1885dacafa645c4d0ec",
        "src/options_processing.cpp": "e397c423c93c89cdd71481c59270162d33fd6808201ca6ccbf9d25f4b48e3725",
        "src/physcon.cpp": "f2defe02d5f0ea9541951cb1aee3201b1bb86eba124fd1c777e9a75dda02a4e6",
        "src/radiation/fld.cpp": "a301946e233e64ea57deaedb1b7d5e0b5a4528cece27f04e4d83569558d87111",
        "src/radiation/iteration.cpp": "86069630821d79cc6d83067435c3deb4a9ab3361208c563b02e6774147316c57",
        "src/radiation/rad_grid.cpp": "e11187c1792f919d43b4fcc223e1079cddcc37dd4b6a5ff6d58c686333840cf1",
        "src/test_problems/marshak/marshak.cpp": "82bb1f3d063391624281a5bc83d154639ce9897b9b170211cfa4ece781ffd704",
        "src/test_problems/radiation/radiation.cpp": "551f393e8454ff0d741588af8701813815aae8af04b42afc5a759473400844de",
        "test_problems/radiation.hpp": "76102aba52767370e1b2bedaa646e755e5e3671742ee183269655b1cf4a5a31f",
        "test_problems/radiation/hydro_benchmarks.hpp": "d2e42bfde0de5c9bde0200453ea40bcefaea91d63455319e08a3e9a5fb5c6c4c",
        "test_problems/radiation/profiles.hpp": "c868e2b5675fac65d3df3c2113c2b4f51de866d550cc039a14d4a4ea4f722b43",
        "test_problems/radiation/reference.hpp": "cc8c794cabbaa89ebd7f30622feec25ae8704bfa99c884b1903e9b129632d748"
      },
      "checkpoint_resume": null
    },
    "fld": {
      "time": 0.25,
      "csv": "runs/l0/gaussian_pulse/fld/plots/gaussian_pulse/l0/slice.csv",
      "csv_sha256": "67e5a19d301859eaa3304b7fb17b777d00ef1b61620100f9d36f8bed63870b37",
      "metadata_sha256": "9d333967f1e5472e89068382c0be84a7bf479cc841f98b78901cd00d3b0d3574",
      "leaf_slice_cells": 64,
      "display_slice_pixels": 64,
      "reference_slice_errors": {
        "er": {
          "L1": 2.3122970273976168e-05,
          "L2": 5.06472522655236e-05,
          "Linf": 0.00018618756762545097
        },
        "fx": {
          "L1": 209239.86066072763,
          "L2": 354243.0529966603,
          "Linf": 878335.8289378304
        },
        "fy": {
          "L1": 209239.86066072775,
          "L2": 354243.05299666035,
          "Linf": 878335.8289378313
        },
        "fz": {
          "L1": 160130.7979244823,
          "L2": 326143.6713469437,
          "Linf": 878335.8289564699
        }
      },
      "solver_full_volume_reference_errors": {},
      "reference_error_scope": "area-weighted saved positive-side slice; not full-volume norms",
      "reference_model": "periodic-constant-diffusion",
      "reference_exact_for_solver": false,
      "reference_sampling": "cell averages",
      "reference_note": "Each retained Fourier mode decays as exp[-D |k|\u00b2 t], with D = c/(3\u03c7) and reference flux -D grad(E). It uses the same filtered initial energy as the M1 run, while M1 has its separate telegraph reference. This is an analytic diffusion-limit reference, not an exact solution of nonlinear flux-limited diffusion.",
      "reference_sha256": "dbb5cad328512e5129c3fdc7b1b9dd58c23eef55a783d7ece8eb68ebca834691",
      "reference_generator_sha256": "bba8ef1de664777cb12bc4301a1622a72298ba4702cd525007a41b30b34fc3c5",
      "reference_diffusion_coefficient": 5.99584916e+19,
      "reference_kind": "linear-diffusion-limit",
      "radiation_model": "fld",
      "radiation_integrator": "backward_euler",
      "radiation_algorithm_version": 1,
      "radiation_flux_semantics": "derived_fld_flux",
      "radiation_reduced_c_factor": 1.0,
      "units": {
        "dx": "cm",
        "er": "erg/cm^3",
        "er_error": "erg/cm^3",
        "er_ref": "erg/cm^3",
        "fx": "erg/(cm^2 s)",
        "fx_error": "erg/(cm^2 s)",
        "fx_ref": "erg/(cm^2 s)",
        "fy": "erg/(cm^2 s)",
        "fy_error": "erg/(cm^2 s)",
        "fy_ref": "erg/(cm^2 s)",
        "fz": "erg/(cm^2 s)",
        "fz_error": "erg/(cm^2 s)",
        "fz_ref": "erg/(cm^2 s)",
        "t": "s",
        "x": "cm",
        "y": "cm",
        "z": "cm"
      },
      "executable_sha256": "82854f6db866ae424dd0b4608d8c6b9b4828b28e4d5f30f48d358097d19ab303",
      "solver_library_sha256": null,
      "source_sha256": {
        "octotiger/amr/gradient.hpp": "58d413487ecbbe95602ac1ec6f356c98630892efe180dcf8352c176bd2c529f5",
        "octotiger/elliptic/composite.hpp": "b9b4f2546c16b2faad29e9d274836734087ed228a20b9bac598b595dcd95df30",
        "octotiger/node_server.hpp": "251393239da4578cce67f36d32c77fb4d6573b510fcde50c9486b8ff2b07a6d6",
        "octotiger/options.hpp": "7e85349a0f9ca6328bae3d037069c417fa426f5c40507c83998c62233a8267a2",
        "octotiger/radiation/ap_flux.hpp": "0ae8a34ac32e552236ab9834dba4561db4b5529c9fab48e884228f7efdf2c262",
        "octotiger/radiation/conservation.hpp": "ee1ba1217456f5dadba7264b1e267631738829160a3ce30dac220581090438f9",
        "octotiger/radiation/fld.hpp": "845bb53693d57a56905f8f933d499280a4fcd95981e8bbb3b7627e30efc10c13",
        "octotiger/radiation/fld_runtime.hpp": "6beca5aa7fa56a4b4a5b4550550cde342bdd85aef126a3931da945d9e48fef25",
        "octotiger/radiation/implicit_source.hpp": "a6900613e9faa8bd89b7eca6f1e2000edbad37fc1c798c78fbda16c41283a9fe",
        "octotiger/radiation/m1.hpp": "799d29b02afed7a6f7e74ce0ff5d877581ca5d7066ae843bd0a69dbb3f79c7c6",
        "octotiger/radiation/marshak_boundary.hpp": "ee871989b9dfef029510c037a959385090e65e6f79abdca99b4bb0136a91ecaf",
        "octotiger/radiation/opacities.hpp": "322784f530ca087966f94ba01c1edc09ccb6985ed89e3ec4eee38e0b18660b29",
        "octotiger/radiation/rad_grid.hpp": "a22d4b1cc3b44e34999b316267f729ee1fd1964e915cb08ae52fa8ef324e65a4",
        "octotiger/test_problems/radiation/hydro_output.hpp": "5444eb3d37b67704ae03d2799f411903a050c5c1c4968bb78988336deb2c746b",
        "octotiger/test_problems/radiation/plot_output.hpp": "ddfff83c321f1f23e3dbacfe11842de5f9c7406975883cc416f12122bc73e47b",
        "octotiger/test_problems/radiation/profiles.hpp": "b51b5e4a0b21d141e8e491a368d0e8ae685c2e9db3e7ee3eb2819e36a17aceeb",
        "src/grid.cpp": "31c5728a84706ce529f42138e4f04fae405ce8a45ceff8f68902039739a0f784",
        "src/io/silo_in.cpp": "6495cbfd3ff6c6e138dbbbc67b6b477454a500b7afddc1591d72419a3340f144",
        "src/io/silo_out.cpp": "be8c15cb297d4f82a0ad74940e45a7ffdd3aeb8e63dc0a534d6281c25a54daf9",
        "src/node_server_actions_1.cpp": "5201b92e2e8e04455f7e1675b1fbfe046fde3144d31746d089c86380a01f80db",
        "src/node_server_actions_2.cpp": "ee5b8e794e5e17d0f2bf21489111344845ee0749b469639a32071fb3174f5398",
        "src/node_server_actions_3.cpp": "87fcf0cc90e9d56d0bdc7d89cd5f5d097961d04577edc1885dacafa645c4d0ec",
        "src/options_processing.cpp": "e397c423c93c89cdd71481c59270162d33fd6808201ca6ccbf9d25f4b48e3725",
        "src/physcon.cpp": "f2defe02d5f0ea9541951cb1aee3201b1bb86eba124fd1c777e9a75dda02a4e6",
        "src/radiation/fld.cpp": "a301946e233e64ea57deaedb1b7d5e0b5a4528cece27f04e4d83569558d87111",
        "src/radiation/iteration.cpp": "86069630821d79cc6d83067435c3deb4a9ab3361208c563b02e6774147316c57",
        "src/radiation/rad_grid.cpp": "e11187c1792f919d43b4fcc223e1079cddcc37dd4b6a5ff6d58c686333840cf1",
        "src/test_problems/marshak/marshak.cpp": "82bb1f3d063391624281a5bc83d154639ce9897b9b170211cfa4ece781ffd704",
        "src/test_problems/radiation/radiation.cpp": "551f393e8454ff0d741588af8701813815aae8af04b42afc5a759473400844de",
        "test_problems/radiation.hpp": "76102aba52767370e1b2bedaa646e755e5e3671742ee183269655b1cf4a5a31f",
        "test_problems/radiation/hydro_benchmarks.hpp": "d2e42bfde0de5c9bde0200453ea40bcefaea91d63455319e08a3e9a5fb5c6c4c",
        "test_problems/radiation/profiles.hpp": "c868e2b5675fac65d3df3c2113c2b4f51de866d550cc039a14d4a4ea4f722b43",
        "test_problems/radiation/reference.hpp": "cc8c794cabbaa89ebd7f30622feec25ae8704bfa99c884b1903e9b129632d748"
      },
      "checkpoint_resume": null
    }
  },
  "status": "matched",
  "direct_slice_difference": {
    "er": {
      "L1": 2.203674972641248e-05,
      "L2": 5.805825369725254e-05,
      "Linf": 0.00022617111897438313
    },
    "fx": {
      "L1": 282884.49192576564,
      "L2": 541836.0498089705,
      "Linf": 1800545.1085794833
    },
    "fy": {
      "L1": 282884.4919257712,
      "L2": 541836.0498089754,
      "Linf": 1800545.1085794815
    },
    "fz": {
      "L1": 187734.3396144128,
      "L2": 473603.7026220252,
      "Linf": 1800545.1085235658
    }
  },
  "difference_kind": "model discrepancy",
  "difference_direction": "fld minus m1",
  "flux_comparison": "derived FLD diagnostic flux minus evolved M1 flux; not momentum error",
  "reference_sampling": "cell averages",
  "common_partition": {
    "extent": [
      -30000000000.0,
      30000000000.0,
      -30000000000.0,
      30000000000.0
    ],
    "spacing": 7500000000.0,
    "scope": "piecewise-constant leaf averages on common finest display pixels"
  },
  "plot": "gaussian_pulse/l0/profiles.png"
}
