Case 08.2.0: w0waCDM + mnu, Neff

Metadata

Model

w0waCDM + mnu, Neff

Probe

Photo

Scenario

Pessimistic

Variant

P_cb

Description

camb vs class (photo, pessimistic), stress test explicitly excluded by paper Sec. 6 (arXiv:2405.06047v1) for degeneracy/non-Gaussian-posterior reasons, 9 free cosmological params: w0waCDM + free mnu, Neff

Sigma threshold

10%

Gate

FAIL

Timestamp

2026-10-07 19:38:07

OMP_NUM_THREADS

8

Elapsed A / B

640.2s / 677.7s

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`	0.00718599	0.00506302	29.54%	FAIL
`Omegab`	0.00377514	0.00369548	2.11%	PASS
`h`	0.109493	0.0960463	12.28%	FAIL
`ns`	0.048636	0.0428374	11.92%	FAIL
`sigma8`	0.0114937	0.00743312	35.33%	FAIL
`mnu`	0.106194	0.0865422	18.51%	FAIL
`Neff`	1.07295	0.94637	11.80%	FAIL
`w0`	0.048485	0.0469165	3.23%	PASS
`wa`	0.246943	0.209091	15.33%	FAIL

Nuisance parameters

Parameter	σ (A)	σ (B)	Deviation	Status
`AIA`	0.183155	0.183461	0.17%	PASS
`b1`	0.0125648	0.011131	11.41%	FAIL
`b10`	0.0290895	0.0250797	13.78%	FAIL
`b2`	0.0156716	0.0135043	13.83%	FAIL
`b3`	0.0175892	0.0148896	15.35%	FAIL
`b4`	0.0190049	0.0161346	15.10%	FAIL
`b5`	0.0203795	0.0172948	15.14%	FAIL
`b6`	0.0216777	0.0183873	15.18%	FAIL
`b7`	0.0229287	0.019491	14.99%	FAIL
`b8`	0.0242284	0.0206082	14.94%	FAIL
`b9`	0.0257988	0.022033	14.60%	FAIL
`etaIA`	0.110888	0.11107	0.16%	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) →

Case 08.2.0: w0waCDM + mnu, Neff (Photo)

Metadata

Cosmological parameters

Nuisance parameters

Inputs used