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Python

"""STaR labeling of MultiPL-E Rust (mbpp-rs) with the frozen model."""
import json
import os
import sys
import time
from concurrent.futures import ThreadPoolExecutor
from pathlib import Path
import torch
from datasets import load_dataset
from prep_mbpp import batch_generate
from rust_common import (DIRECT_SUFFIX, PLAN_SUFFIX, extract_rust,
run_rust_tests, rust_prompt)
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
from jlens.core import load_model # noqa: E402
OUT = Path(os.environ.get("LOOP_OUT",
Path(__file__).resolve().parent.parent / "results-loop"))
def main():
model, tok = load_model(dtype=torch.bfloat16)
tok.padding_side = "left"
items = [dict(r) for r in load_dataset("nuprl/MultiPL-E", "mbpp-rs",
split="test")]
# split: first 200 train-pool, rest test (354 total)
for i, it in enumerate(items):
it["split"] = "train" if i < 200 else "test"
it["task_id"] = it["name"]
print(f"{len(items)} rust items", flush=True)
for tag, suffix, mx in (("direct", DIRECT_SUFFIX, 300),
("plan", PLAN_SUFFIX, 700)):
t0 = time.time()
gens = batch_generate(model, tok,
[rust_prompt(tok, it, suffix) for it in items],
max_new_tokens=mx, batch_size=24)
codes = [extract_rust(g) for g in gens]
with ThreadPoolExecutor(16) as ex:
oks = list(ex.map(lambda ci: run_rust_tests(ci[0], ci[1]),
zip(codes, items)))
for it, c, ok in zip(items, codes, oks):
it[f"{tag}_ok"] = bool(ok)
it[f"{tag}_code"] = c if ok else None
print(f"{tag}: pass@1={sum(oks)/len(items):.3f} "
f"({time.time()-t0:.0f}s)", flush=True)
for it in items:
it["label"] = ("easy" if it["direct_ok"]
else "hard" if it["plan_ok"] else "drop")
it["sol_code"] = (it["direct_code"] if it["direct_ok"]
else it["plan_code"])
for split in ("train", "test"):
sub = [it for it in items if it["split"] == split]
print(f"{split}: easy={sum(i['label']=='easy' for i in sub)} "
f"hard={sum(i['label']=='hard' for i in sub)} "
f"drop={sum(i['label']=='drop' for i in sub)}", flush=True)
json.dump(items, open(OUT / "rust_data.json", "w"), indent=1)
print("wrote", OUT / "rust_data.json")
if __name__ == "__main__":
main()