288 lines
9.4 KiB
Python
288 lines
9.4 KiB
Python
import json
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import argparse
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import os.path
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from glob import glob
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from tqdm import tqdm
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from multiprocessing import Pool
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import numpy as np
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import sys
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from functools import partial
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sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
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from post_processors.openai_api_callback import majority_voting_predict
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from data.mathscale.util import mathscale_is_equiv
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def load_rewards(reward_file, re_index):
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if os.path.exists(reward_file):
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rewards = json.load(open(reward_file))
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else:
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rewards = []
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for i, file in enumerate(sorted(glob(reward_file))):
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print(file)
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sub_rewards = json.load(open(file))
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if re_index:
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for item in sub_rewards:
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item["index"] = f"{item['index']}_{i}"
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rewards.extend(sub_rewards)
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return rewards
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def softmax(x):
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exp = np.exp(x - np.max(x, axis=-1, keepdims=True))
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return exp / exp.sum(axis=-1, keepdims=True)
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def reward_reduction(ending_logits, reduction: str = "min", norm: bool = True):
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if norm:
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# ending_logits = torch.tensor(ending_logits)
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# ending_probs = torch.softmax(ending_logits, dim=-1).tolist()
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ending_probs = softmax(ending_logits)
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step_rewards = [step[1] for step in ending_probs]
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else:
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step_rewards = [step[1] for step in ending_logits]
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if reduction == "min":
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reward = min(step_rewards)
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elif reduction == "product":
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reward = 1
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for prob in step_rewards:
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reward *= prob
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elif reduction == "sum":
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reward = sum(step_rewards)
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else:
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raise ValueError(f"Invalid reduction method: {reduction}")
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return reward
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def weighted_majority_voting_predict(preds, weights):
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pred2weight = {}
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for pred, weight in zip(preds, weights):
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if pred not in pred2weight:
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pred2weight[pred] = 0
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pred2weight[pred] += weight
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return max(pred2weight, key=pred2weight.get)
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def _init(id2reward):
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global _id2reward
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_id2reward = id2reward
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def _worker(item, reduction, norm, sc_top_k=None):
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if not item["response"] or not item["pred"] or not item["res"]:
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return {
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"missing": 1,
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"reward_missing": 0,
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"pred_missing": 0,
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"seq_too_long": 0,
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"sorted_results": [],
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"sc_res": False
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}
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unsorted_results = []
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reward_missing = 0
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pred_missing = 0
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seq_too_long = 0
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for i, (resp, pred, r) in enumerate(zip(item["response"], item["pred"], item["res"])):
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resp_id = f"{item['id']}_{i}"
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if resp_id not in _id2reward:
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reward_missing += 1
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continue
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if not pred:
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pred_missing += 1
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continue
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process_rewards = _id2reward[resp_id]
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if len(process_rewards["ending_logits"]) == 0:
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seq_too_long += 1
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continue
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assert resp == process_rewards["response"], f"{resp} \n\n {process_rewards['response']} \n\n ========="
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reward = reward_reduction(process_rewards["ending_logits"], reduction, norm)
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unsorted_results.append((resp, pred, r, reward))
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sorted_results = sorted(unsorted_results, key=lambda x: x[-1], reverse=True)
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sc_top_k_res = {}
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if sc_top_k and sorted_results:
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for k in sc_top_k:
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preds = [r[1] for r in sorted_results[:k]]
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sc_pred = majority_voting_predict(preds)
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if sc_pred != "":
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sc_res = mathscale_is_equiv(sc_pred, item["label"])[0]
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else:
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sc_res = False
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sc_top_k_res[k] = sc_res
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sc_k_res = {}
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if sc_top_k and unsorted_results:
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for k in sc_top_k:
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preds = [r[1] for r in unsorted_results[:k]]
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sc_pred = majority_voting_predict(preds)
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if sc_pred != "":
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sc_res = mathscale_is_equiv(sc_pred, item["label"])[0]
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else:
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sc_res = False
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sc_k_res[k] = sc_res
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weighted_best_of_k = {}
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if sc_top_k and unsorted_results:
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for k in sc_top_k:
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preds = [r[1] for r in unsorted_results[:k]]
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# weights = torch.softmax(torch.tensor([r[-1] for r in unsorted_results]), dim=0).tolist()
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weights = softmax(np.array([r[-1] for r in unsorted_results])).tolist()
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best_of_k_pred = weighted_majority_voting_predict(preds, weights)
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if best_of_k_pred != "":
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best_of_k_res = mathscale_is_equiv(best_of_k_pred, item["label"])[0]
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else:
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best_of_k_res = False
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weighted_best_of_k[k] = best_of_k_res
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return {
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"missing": 0,
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"reward_missing": reward_missing,
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"pred_missing": pred_missing,
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"seq_too_long": seq_too_long,
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"sorted_results": sorted_results,
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"sc_res": item["sc_res"],
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"sc_top_k_res": sc_top_k_res,
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"weighted_best_of_k": weighted_best_of_k,
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"sc_k_res": sc_k_res,
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}
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def merge_key(item, value):
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assert isinstance(item, list)
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if isinstance(value, list):
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item = item + value
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else:
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item.append(value)
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return item
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def merge_seed_sampled_data(data):
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id2data = {}
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for item in data:
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if item["id"] not in id2data:
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id2data[item["id"]] = item
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continue
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tmp = id2data[item["id"]]
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if isinstance(tmp["response"], str):
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tmp["response"] = [tmp["response"]]
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if not isinstance(tmp["res"], list):
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tmp["res"] = [tmp["res"]]
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if not isinstance(tmp["pred"], list):
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tmp["pred"] = [tmp["pred"]]
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tmp["response"] = merge_key(tmp["response"], item["response"])
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tmp["res"] = merge_key(tmp["res"], item["res"])
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tmp["pred"] = merge_key(tmp["pred"], item["pred"])
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assert isinstance(tmp["pred"], list), tmp["pred"]
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id2data[item["id"]] = tmp
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return list(id2data.values())
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("--response_file", type=str, required=True)
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parser.add_argument("--reward_file", type=str, required=True)
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parser.add_argument("--reduction", type=str, default="min")
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parser.add_argument("--raw_logits", action="store_true", default=False)
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parser.add_argument("--num_workers", type=int, default=4)
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parser.add_argument("--re_index", action="store_true", default=False)
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parser.add_argument("--keep_top_k", type=str, default="")
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args = parser.parse_args()
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if os.path.exists(args.response_file):
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responses = json.load(open(args.response_file))
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else:
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responses = []
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for file in glob(args.response_file):
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print(file)
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responses.extend(json.load(open(file)))
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responses = merge_seed_sampled_data(responses)
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print(len(responses[0]["response"]), len(responses[0]["pred"]), len(responses[0]["res"]))
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print(responses[0]["id"])
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rewards = load_rewards(args.reward_file, args.re_index)
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print(rewards[0]['index'])
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id2reward = {item["index"]: item for item in rewards}
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# _k = [1, 3, 5]
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_k = [3, 5, 4, 8, 16, 32, 64, 128]
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prm_pass_at_k = {k: 0 for k in _k}
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missing = 0
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missing_reward = 0
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pred_missing = 0
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seq_too_long = 0
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sc_cnt = 0
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ultimate_results = []
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with Pool(args.num_workers, initializer=_init, initargs=(id2reward,)) as pool:
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annotate = partial(_worker, reduction=args.reduction, norm=(not args.raw_logits), sc_top_k=_k)
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results = list(tqdm(pool.imap_unordered(annotate, responses), total=len(responses)))
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sc_top_k = {k: 0 for k in _k}
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weighted_best_of_k = {k: 0 for k in _k}
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sc_k = {k: 0 for k in _k}
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outputs = []
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for item in results:
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missing += item["missing"]
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missing_reward += item["reward_missing"]
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pred_missing += item["pred_missing"]
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seq_too_long += item["seq_too_long"]
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sorted_results = item["sorted_results"]
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if item["sc_res"]:
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sc_cnt += 1
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if not sorted_results:
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continue
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ultimate_results.append(sorted_results)
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for k in _k:
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if any([r[2] for r in sorted_results[:k]]):
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prm_pass_at_k[k] += 1
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for k, v in item["sc_top_k_res"].items():
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if v:
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sc_top_k[k] += 1
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for k, v in item["weighted_best_of_k"].items():
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if v:
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weighted_best_of_k[k] += 1
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for k, v in item["sc_k_res"].items():
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if v:
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sc_k[k] += 1
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print(f"Total: {len(responses)}")
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print(f"Missing: {missing}")
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print(f"Missing reward: {missing_reward}")
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print(f"Missing pred: {pred_missing}")
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print(f"Seq too long: {seq_too_long}")
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print(f"SC: {sc_cnt}")
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for k, v in prm_pass_at_k.items():
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print(f"PRM pass at {k}: {v}")
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print(f"PRM pass at {k} rate: {v / len(responses) * 100:.2f}%")
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for k, v in sc_top_k.items():
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print(f"SC pass at {k}: {v}")
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print(f"SC pass at {k} rate: {v / len(responses) * 100:.2f}%")
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print(f"SC rate: {sc_cnt / len(responses) * 100:.2f}%")
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for k, v in weighted_best_of_k.items():
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print(f"Weighted best of k pass at {k}: {v}")
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print(f"Weighted best of k pass at {k} rate: {v / len(responses) * 100:.2f}%")
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for k, v in sc_k.items():
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print(f"SC k pass at {k}: {v}")
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print(f"SC k pass at {k} rate {v / len(responses) * 100:.2f}%")
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json.dump(ultimate_results[:100], open("debug.json", "w"), indent=2)
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if __name__ == '__main__':
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main()
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