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Case 03.1.0: LCDM + mnu, Neff (Spectro)

Metadata

Model

LCDM + mnu, Neff

Probe

Spectro

Scenario

Pessimistic

Variant

P_cb

Description

camb vs class (spectro, pessimistic), paper model 2: LCDM + free mnu, Neff (arXiv:2405.06047v1 Sec. 6)

Sigma threshold

10%

Gate

PASS

Timestamp

2026-08-31 01:32:45

OMP_NUM_THREADS

8

Elapsed A / B

307.2s / 1659.3s

Git commit

b0e8eb1 (dirty)

Code A

camb 2.0.3 (pypi)

Code B

class 3.3.4.0 (pypi)

Cosmological parameters

Parameter	σ (A)	σ (B)	Deviation	Status
`Omegam`	0.00664366	0.00664931	0.09%	PASS
`Omegab`	0.00228762	0.00228961	0.09%	PASS
`h`	0.0131493	0.0132287	0.60%	PASS
`ns`	0.0206836	0.0205665	0.57%	PASS
`sigma8`	0.00850467	0.0085185	0.16%	PASS
`mnu`	0.165823	0.165431	0.24%	PASS
`Neff`	0.293181	0.293742	0.19%	PASS

Nuisance parameters

Parameter	σ (A)	σ (B)	Deviation	Status
`Ps_1`	41.5308	41.0133	1.25%	PASS
`Ps_2`	44.8854	44.4005	1.08%	PASS
`Ps_3`	48.5009	48.0256	0.98%	PASS
`Ps_4`	50.8234	50.3912	0.85%	PASS
`lnbg_1`	0.0104911	0.0105782	0.83%	PASS
`lnbg_2`	0.0107503	0.0108389	0.82%	PASS
`lnbg_3`	0.0110309	0.0111228	0.83%	PASS
`lnbg_4`	0.0113701	0.0114618	0.81%	PASS

Inputs used

CAMB/CLASS YAML A (camb) →CAMB/CLASS YAML B (class) →Current common specs source →Survey specs (Pessimistic) →Generated Fisher specs A (camb) →Generated Fisher specs B (class) →