← Back to all cases

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

2026-10-07 17:33:22

OMP_NUM_THREADS

8

Elapsed A / B

486.1s / 2177.3s

Git commit

00bc6e3

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	0.00605101	0.21%	PASS
`Omegab`	0.00207303	0.00207321	0.01%	PASS
`h`	0.0105169	0.0106242	1.02%	PASS
`ns`	0.0151717	0.0151055	0.44%	PASS
`sigma8`	0.00738277	0.0074103	0.37%	PASS
`mnu`	0.132796	0.130999	1.35%	PASS
`Neff`	0.253021	0.252698	0.13%	PASS

Nuisance parameters

Parameter	σ (A)	σ (B)	Deviation	Status
`Ps_1`	21.0015	20.8583	0.68%	PASS
`Ps_2`	23.189	23.0532	0.59%	PASS
`Ps_3`	25.6621	25.5095	0.59%	PASS
`Ps_4`	27.5168	27.3741	0.52%	PASS
`lnbg_1`	0.0096145	0.00967893	0.67%	PASS
`lnbg_2`	0.00985699	0.00991889	0.63%	PASS
`lnbg_3`	0.010105	0.0101668	0.61%	PASS
`lnbg_4`	0.0104035	0.0104623	0.57%	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) →