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Case 03.1.1: LCDM + mnu, Neff (Spectro)

Metadata

Model

LCDM + mnu, Neff

Probe

Spectro

Scenario

Optimistic

Variant

P_cb

Description

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

Sigma threshold

10%

Gate

PASS

Timestamp

2026-08-31 02:07:56

OMP_NUM_THREADS

8

Elapsed A / B

316.1s / 1652.2s

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`	0.00603808	0.00605193	0.23%	PASS
`Omegab`	0.00207303	0.00207421	0.06%	PASS
`h`	0.0105169	0.0106243	1.02%	PASS
`ns`	0.0151717	0.0151078	0.42%	PASS
`sigma8`	0.00738277	0.00742771	0.61%	PASS
`mnu`	0.132796	0.132793	0.00%	PASS
`Neff`	0.253021	0.252917	0.04%	PASS

Nuisance parameters

Parameter	σ (A)	σ (B)	Deviation	Status
`Ps_1`	21.0015	20.8485	0.73%	PASS
`Ps_2`	23.189	23.0408	0.64%	PASS
`Ps_3`	25.6621	25.4949	0.65%	PASS
`Ps_4`	27.5168	27.3569	0.58%	PASS
`lnbg_1`	0.0096145	0.00969209	0.81%	PASS
`lnbg_2`	0.00985699	0.00993439	0.79%	PASS
`lnbg_3`	0.010105	0.0101847	0.79%	PASS
`lnbg_4`	0.0104035	0.0104831	0.76%	PASS

Inputs used

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