experiments/e003_trainer_parity/meta.json

{
 "id": "e003_trainer_parity",
 "title": "Sana in the trainer: the diffusion-pipe adapter against the diffusers pipeline",
 "date": "2026-10-03",
 "kind": "test",
 "status": "done",
 "summary": "PASS: text conditioning identical, the transformer identical up to ordinary float rounding, and one image through the trainer's preview sampler within 0.32 brightness levels of the stock pipeline on average",
 "results": {
  "gate1": {
   "text_max_abs_diff": 0,
   "transformer_rel_error_vs_fp64": 1.45e-06,
   "stock_rel_error_vs_fp64": 9.9e-07,
   "ratio": 1.46,
   "bar": 2,
   "target_rel": 4.77e-07
  },
  "gate2": {
   "text": 0,
   "timesteps": 0,
   "latents_rel": 2.58e-05,
   "envelope_rel": 0.0178,
   "pixels_mean_levels": 0.32,
   "pixels_max_levels": 14,
   "stock_fp16_vs_fp32_mean": 0.66,
   "stock_fp16_vs_fp32_max": 65
  }
 }
}