rpotter6298
88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
#!/usr/bin/env python
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"""
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V3 cross-validation runner.
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Outer/inner k-fold: test = current fold, val = next fold, train = rest.
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No holdout. No checkpoint saving.
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Usage (single fold-seed, 5-fold, binary, ensemble):
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python -m v3.scripts.main.run_cv \
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--run-name my_run \
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--eval-mode binary \
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--tower-mode ensemble \
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--epochs 40 \
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--augment \
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--tune-binary-threshold \
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--in-memory-cache
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Usage (10x5 rep-CV, seeds 100..1000):
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python -m v3.scripts.main.run_cv \
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--run-name my_run_10x5 \
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--reps 10 \
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--rep-seed-start 100 \
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--rep-seed-step 100 \
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--eval-mode binary \
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--tower-mode ensemble \
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--epochs 40 \
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--augment \
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--tune-binary-threshold \
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--in-memory-cache
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"""
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import argparse
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import sys
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from pathlib import Path
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# Allow running as `python v3/scripts/main/run_cv.py` from repo root
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sys.path.insert(0, str(Path(__file__).resolve().parents[3]))
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from v3.classes.v3_hypertower import V3HyperTower
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def build_parser() -> argparse.ArgumentParser:
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ap = V3HyperTower.build_parser()
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ap.description = __doc__
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ap.formatter_class = argparse.RawDescriptionHelpFormatter
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ap.add_argument(
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"--reps", type=int, default=1,
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help="Number of repetitions (each rep uses a different --fold-seed).",
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)
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ap.add_argument(
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"--rep-seed-start", type=int, default=100,
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help="fold-seed for rep 0 (default: 100).",
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)
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ap.add_argument(
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"--rep-seed-step", type=int, default=100,
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help="Increment between rep fold-seeds (default: 100; rep k uses seed start + k*step).",
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)
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return ap
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def main():
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ap = build_parser()
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args = ap.parse_args()
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reps = int(args.reps)
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seed_start = int(args.rep_seed_start)
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seed_step = int(args.rep_seed_step)
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base_run_name = args.run_name or "v3_cv"
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for rep in range(reps):
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rep_seed = seed_start + rep * seed_step
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args.fold_seed = rep_seed
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if reps > 1:
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args.run_name = f"{base_run_name}/rep{rep:02d}"
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print(f"\n{'='*60}", flush=True)
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print(f"Rep {rep+1}/{reps} fold_seed={rep_seed}", flush=True)
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print(f"{'='*60}", flush=True)
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else:
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args.run_name = base_run_name
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tower = V3HyperTower(args)
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out_dir = tower.run()
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print(f"\nRep {rep+1} output: {out_dir}", flush=True)
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if __name__ == "__main__":
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main()
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