115 lines
4.3 KiB
Python
115 lines
4.3 KiB
Python
"""Eval MBPP pass@1 vs loop depth k with prompt-only ("latent planning") loops.
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Usage:
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eval_loop_code.py --tag untrained
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eval_loop_code.py --adapter ../results-loop/adapter_code.pt --tag trained
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"""
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import argparse
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import json
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import os
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import sys
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import time
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from concurrent.futures import ThreadPoolExecutor
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from pathlib import Path
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import torch
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from loop_common import BandLooper, MergeAdapter
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from prep_mbpp import DIRECT_SUFFIX, extract_code, mbpp_prompt, run_tests
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sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
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from jlens.core import load_model # noqa: E402
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OUT = Path(os.environ.get("LOOP_OUT",
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Path(__file__).resolve().parent.parent / "results-loop"))
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@torch.no_grad()
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def pass1_at_k(looper, adapter, tok, items, k, batch=8, max_new=220,
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feedforward=False, pause=0):
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codes = []
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for i in range(0, len(items), batch):
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torch.cuda.empty_cache()
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chunk = items[i : i + batch]
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enc = tok([mbpp_prompt(tok, it, DIRECT_SUFFIX) for it in chunk],
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return_tensors="pt", padding=True,
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add_special_tokens=False).to("cuda")
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if pause:
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B = enc["input_ids"].shape[0]
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pcol = torch.full((B, pause), 6, dtype=torch.long, device="cuda")
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enc["input_ids"] = torch.cat([enc["input_ids"], pcol], 1)
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enc["attention_mask"] = torch.cat(
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[enc["attention_mask"], torch.ones_like(pcol)], 1)
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gen = looper.generate_frozen_prompt(adapter, tok, enc["input_ids"], k,
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max_new_tokens=max_new,
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attention_mask=enc["attention_mask"],
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feedforward=feedforward)
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for j in range(len(chunk)):
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txt = tok.decode(gen[j, enc["input_ids"].shape[1]:],
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skip_special_tokens=True)
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codes.append(extract_code(txt))
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with ThreadPoolExecutor(8) as ex:
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oks = list(ex.map(lambda ci: run_tests(ci[0], ci[1]),
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zip(codes, items)))
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hits, per_label = 0, {}
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for it, ok in zip(items, oks):
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hits += ok
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d = per_label.setdefault(it["label"], [0, 0])
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d[0] += ok
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d[1] += 1
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per_item = [{"task_id": it["task_id"], "ok": bool(ok)}
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for it, ok in zip(items, oks)]
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return (hits / len(items),
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{l: c / n for l, (c, n) in per_label.items()}, per_item)
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def main():
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ap = argparse.ArgumentParser()
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ap.add_argument("--adapter", default=None)
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ap.add_argument("--tag", default="untrained")
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ap.add_argument("--ks", default="0,1,2,4")
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ap.add_argument("--n", type=int, default=250)
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ap.add_argument("--feedforward", action="store_true",
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help="no-recurrence control arm: adapter(e,e) once")
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ap.add_argument("--pause", type=int, default=0,
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help="append p pause tokens to each prompt")
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ap.add_argument("--alpha", type=float, default=0.3)
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args = ap.parse_args()
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ks = [int(x) for x in args.ks.split(",")]
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model, tok = load_model(dtype=torch.bfloat16)
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tok.padding_side = "left"
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looper = BandLooper(model)
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adapter = MergeAdapter(
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d=model.config.get_text_config().hidden_size,
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alpha=args.alpha).cuda()
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if args.adapter:
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adapter.load_state_dict(torch.load(args.adapter, map_location="cuda"))
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adapter.eval()
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items = [it for it in json.load(open(OUT / "mbpp_data.json"))
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if it["split"] == "test"][: args.n]
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print(f"[{args.tag}] MBPP eval on {len(items)} test items, ks={ks}",
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flush=True)
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res = {"tag": args.tag, "ks": {}, "n": len(items)}
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for k in ks:
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t0 = time.time()
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acc, by_label, per_item = pass1_at_k(looper, adapter, tok, items, k,
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feedforward=args.feedforward,
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pause=args.pause)
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res["ks"][k] = {"acc": acc, "by_label": by_label,
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"per_item": per_item}
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print(f"k={k}: pass@1={acc:.3f} "
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f"by_label={ {l: round(v,3) for l,v in by_label.items()} }"
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f" ({time.time()-t0:.0f}s)", flush=True)
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with open(OUT / f"eval_code_{args.tag}.json", "w") as f:
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json.dump(res, f, indent=1)
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print("wrote", OUT / f"eval_code_{args.tag}.json")
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if __name__ == "__main__":
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main()
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