experiment_id: 2026-10-05-residual-checkpoint-selection
purpose: Select retained residual weights against climatology before any further training.
  HPC sgp7apkx is pending an accessible checkpoint.
sample_count: 128
seed: 20261005
batch_size: 4
holdout_fraction: 0.2
sampler: ddpm
timesteps: 1000
precision: float32; TF32 disabled
primary_metric: field equal_depth_rmse_c
secondary_metrics:
- field equal_depth_mae_c
- field pixel_rmse_c
- heldout_profiles pixel_mae_c
- heldout_profiles pixel_rmse_c
profile_reference: Gridded ARGO at entirely hidden spatial columns; not independent
  raw EN4. At least one input column is retained.
climatology:
  path: outputs/checkpoint_selection_20261005/baselines/temperature_monthly_stride4.npz
  sha256: 6125c6bd8af1b813bb61bc55c08d5cc39f8b95f8f63e1be68c55083dd30b87c0
  excluded_year: 2016
  source: outputs/climatology_2016_comparison/temperature_monthly_stride4.npz
methods:
  residual_early_ema:
    checkpoint: outputs/checkpoint_selection_20261005/checkpoints/residual_early_step37768.ckpt
    checkpoint_sha256: 516fbac95760cef390a37a67c6cdc8d4786f780ecaf5ed6e8852620ee18c6c02
    global_step: 37768
    weights: ema
    config: docs/experiments/2026-10-05-checkpoint-selection/evaluation_config.yaml
    config_sha256: 0c9a42fc42de5e177230910bdab31e89e2a0a9052d4f28bdc1f39e3640cf2eed
  residual_early_standard:
    checkpoint: outputs/checkpoint_selection_20261005/checkpoints/residual_early_step37768.ckpt
    checkpoint_sha256: 516fbac95760cef390a37a67c6cdc8d4786f780ecaf5ed6e8852620ee18c6c02
    global_step: 37768
    weights: standard
    config: docs/experiments/2026-10-05-checkpoint-selection/evaluation_config.yaml
    config_sha256: 0c9a42fc42de5e177230910bdab31e89e2a0a9052d4f28bdc1f39e3640cf2eed
  residual_latest_best_ema:
    checkpoint: outputs/checkpoint_selection_20261005/checkpoints/residual_latest_best_step113304.ckpt
    checkpoint_sha256: 283642f16b73beecb61f86c73fe66863f0667d67205c838025bcdd63569397fa
    global_step: 113304
    weights: ema
    config: docs/experiments/2026-10-05-checkpoint-selection/evaluation_config.yaml
    config_sha256: 0c9a42fc42de5e177230910bdab31e89e2a0a9052d4f28bdc1f39e3640cf2eed
  residual_latest_best_standard:
    checkpoint: outputs/checkpoint_selection_20261005/checkpoints/residual_latest_best_step113304.ckpt
    checkpoint_sha256: 283642f16b73beecb61f86c73fe66863f0667d67205c838025bcdd63569397fa
    global_step: 113304
    weights: standard
    config: docs/experiments/2026-10-05-checkpoint-selection/evaluation_config.yaml
    config_sha256: 0c9a42fc42de5e177230910bdab31e89e2a0a9052d4f28bdc1f39e3640cf2eed