EvoStream / evo2 /optimize.py
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"""阶段1..K:从**已建好的题池**分批优化 skill 库(替代旧的边出题边更新)。
与旧 pipeline.py 的区别(用户 2026-08-21 指出的三个缺陷):
1. 题目一次性建池(build_pool.py),分布可控、按格子分层;
2. 验证池**冻结不变** → 前后轮可比(旧版每轮题不同,库变好还是题变简单分不清);
3. 每格子在验证池里有足够多的**不同**题 → "同类型 N 道验证"这个门槛才可能满足
(旧版每轮每格子只有 1-2 道,min_n=6 几乎永远不满足)。
流程:
基线:冻结验证池全量测一次(v0 分数)
每批:取 batch_size 道 train 题 → 每题 G 次 rollout(自适应)
→ 成/败双 prompt 归纳 → ≤3 条算子 → 四道闸
→ 该格子验证子集验收(不涨分即拒)→ 入库
每轮末:冻结验证池全量再测 → 得到可比的进化曲线
用法:
python -m evo2.optimize --pool data/pool_egoschema.json --run-name ego_B --batch 28 --rounds 3
python -m evo2.optimize --pool data/pool_egoschema.json --run-name ego_A_none --arm none
"""
import argparse
import json
import logging
import os
import random
import sys
import time
from collections import Counter, defaultdict
sys.path.insert(0, "/mnt/tokyo-ai/gst/EvoStream")
sys.path.insert(0, "/mnt/tokyo-ai/gst/EvoStream/cons_memory")
from concurrent.futures import ThreadPoolExecutor, as_completed
from evo2.curator import build_prompt, catalog_of
from evo2.gates import gate_all
from evo2.pipeline import run_one_episode, stage_c_induce
from evo2.real_testset import load as load_real
from evo2.seed_lib import build_seed
from evo2.skill import SkillLibrary
from evo2.tracelog import TraceLogger, summarize
logger = logging.getLogger(__name__)
def eval_pool(questions, lib, executor_llm, tools_factory, cfg, tl=None,
workers=8, tag="") -> dict:
"""在给定题集上评测(并发)。返回总体与分格子准确率。"""
def _one(q):
try:
return q, run_one_episode(q, lib, executor_llm, tools_factory, cfg,
tl=tl, meta={"phase": f"eval_{tag}"})
except Exception as e:
logger.warning("评测失败: %s", e)
return q, None
by_cell, ok, n = defaultdict(lambda: [0, 0]), 0, 0
with ThreadPoolExecutor(max_workers=workers) as ex:
for fut in as_completed([ex.submit(_one, q) for q in questions]):
q, log = fut.result()
if log is None:
continue
n += 1
c = bool(log.get("correct"))
ok += c
key = q.get("cell") or q.get("schema") or "all"
by_cell[key][0] += c
by_cell[key][1] += 1
return {"n": n, "acc": round(ok / max(1, n), 4),
"per_cell": {k: f"{v[0]}/{v[1]}" for k, v in sorted(by_cell.items())},
"per_cell_acc": {k: round(v[0] / max(1, v[1]), 3)
for k, v in sorted(by_cell.items())}}
def accept_ops(ops, lib, val_by_cell, executor_llm, tools_factory, cfg,
min_n=4, margin=0.0, tl=None, rd=0, workers=6):
"""入库门槛:新/改卡在**该格子验证子集**上不降分才收(同类型多道不同题)。"""
accepted, rejected = [], []
for op in ops:
card = op.get("card") or {}
before_card = None
if op.get("op") == "modify":
cid = op.get("card_id")
before_card = next((c for c in lib.cards if c["card_id"] == cid), None)
if before_card is None:
rejected.append((op, "modify 目标卡不存在"))
continue
card = {**before_card, **(op.get("changes") or {})}
ok, why = gate_all(card, lib.cards, op.get("op", "add"))
if not ok:
rejected.append((op, why))
if tl:
tl.log_skill_op(op, before_card, card, False, why, accepted=False,
meta={"round": rd})
continue
# 该卡覆盖的格子 → 取验证池里这些格子的题
pr = card.get("soft_type_prior") or {}
sp, tp = pr.get("space") or [], pr.get("time") or []
sample = []
for cid_, rows in val_by_cell.items():
s, t = cid_.split("-")
if (not sp or s in sp) and (not tp or t in tp):
sample.extend(rows)
if len(sample) < min_n:
rejected.append((op, f"验证池该题型题数不足({len(sample)}<{min_n})"))
if tl:
tl.log_skill_op(op, before_card, card, True,
f"验证池不足({len(sample)})", accepted=False,
meta={"round": rd})
continue
sample = sample[:max(min_n, min(len(sample), 8))]
before = eval_pool(sample, lib, executor_llm, tools_factory, cfg,
workers=workers, tag="gate_before")["acc"]
cand = SkillLibrary(list(lib.cards), lib.version, lib.embed_fn)
if op.get("op") == "modify":
cand.cards = [card if c["card_id"] == card["card_id"] else c
for c in cand.cards]
else:
cand.cards = [*cand.cards, card]
cand.index_library()
after = eval_pool(sample, cand, executor_llm, tools_factory, cfg,
workers=workers, tag="gate_after")["acc"]
passed = after >= before + margin
(accepted if passed else rejected).append(
(op, card, before, after) if passed else (op, f"验证不通过 {before:.3f}→{after:.3f}"))
if tl:
tl.log_skill_op(op, before_card, card, True, "", before, after,
accepted=passed, meta={"round": rd, "n_val": len(sample)})
return accepted, rejected
def main():
ap = argparse.ArgumentParser()
ap.add_argument("--pool", required=True, help="合成题池:只用于训练")
ap.add_argument("--test-videos", type=int, default=80,
help="真题测试集用多少个视频(测试集=benchmark原始真题,全程不参与优化)")
ap.add_argument("--run-name", required=True)
ap.add_argument("--arm", default="evolve",
choices=["evolve", "frozen", "none"],
help="evolve=进化(主) | frozen=种子冻结 | none=无skill")
ap.add_argument("--seed-mode", default="empty", choices=["empty", "minimal"])
ap.add_argument("--batch", type=int, default=28)
ap.add_argument("--rounds", type=int, default=3)
ap.add_argument("--g-mode", default="adaptive", choices=["1", "adaptive"])
ap.add_argument("--executor-ep", default="qwen38_pool")
ap.add_argument("--curator-ep", default="qwen38_pool")
ap.add_argument("--min-val", type=int, default=4)
ap.add_argument("--workers", type=int, default=10)
a = ap.parse_args()
logging.basicConfig(level=logging.INFO,
format="[%(asctime)s] %(levelname)s %(message)s")
from infer.config import RunConfig
from infer.llm_clients import embed_texts, make_client
from infer.tools import ToolRegistry, TOOL_SPECS
pool = json.load(open(a.pool))
ds = pool["dataset"]
# 合成题:**全部**用于训练(含入库门槛的验证子集);不再当测试集
train = pool["train"] + pool["frozen_val"]
# 入库门槛用的验证子集仍取自合成题(同类型多道不同题),但与练习批次不重叠
gate_val = pool["frozen_val"]
# 测试集 = benchmark 原始真题,全程不参与优化(用户 2026-08-21 定稿)
test = load_real(ds, a.test_videos)
logger.info("合成题(训练用) %d 道 [其中门槛验证子集 %d];"
"真题测试集 %d 道 / %d 视频",
len(train), len(gate_val), len(test),
len({q["video_id"] for q in test}))
out_dir = f"/mnt/tokyo-ai/gst/EvoStream/runs/{a.run_name}"
tl = TraceLogger(out_dir)
cfg = RunConfig()
cfg.executor = a.executor_ep
executor_llm = make_client(a.executor_ep, temperature=0.0)
curator_llm = make_client(a.curator_ep, temperature=0.5)
vlm = make_client(cfg.vlm_tool, temperature=0.0)
tools_factory = lambda mem: ToolRegistry(mem, cfg, vlm_client=vlm)
# A档 none:完全不注入 skill;B档 evolve:空库起步;C档 frozen:种子不进化
seed = [] if a.arm == "none" else build_seed(
"minimal" if (a.arm == "frozen" or a.seed_mode == "minimal") else "empty")
lib = SkillLibrary(seed, version=0, embed_fn=embed_texts)
lib.index_library()
tl.save_library(lib, "v0_initial")
val_by_cell = defaultdict(list)
for q in gate_val:
val_by_cell[q["cell"]].append(q)
# ---- 基线:冻结验证池全量 ----
t0 = time.time()
base = eval_pool(test, lib, executor_llm, tools_factory, cfg, tl=tl,
workers=a.workers, tag="baseline")
logger.info("基线(v0) **真题测试集** %d 题 准确率 %.1f%% 分组 %s",
base["n"], base["acc"] * 100, base["per_cell"])
curve = [{"round": 0, "lib_size": len(lib.cards), "version": lib.version,
**base}]
tl.log_round(curve[-1])
if a.arm != "evolve":
json.dump(curve, open(f"{out_dir}/curve.json", "w"), ensure_ascii=False, indent=1)
logger.info("%s 档不进化,结束。留痕汇总: %s", a.arm,
json.dumps(summarize(out_dir), ensure_ascii=False))
tl.close()
return
random.seed(0)
pool_train = list(train)
random.shuffle(pool_train)
specs = TOOL_SPECS if isinstance(TOOL_SPECS, str) else \
json.dumps(TOOL_SPECS, ensure_ascii=False)[:3000]
for rd in range(1, a.rounds + 1):
batch = pool_train[(rd - 1) * a.batch: rd * a.batch]
if not batch:
logger.info("train 池已用尽,提前结束")
break
logger.info("=" * 70)
logger.info("第 %d/%d 轮 批量 %d 题 库 v%d(%d张)",
rd, a.rounds, len(batch), lib.version, len(lib.cards))
# 练习:同题 G 次(自适应)
groups = {}
def _run(q):
logs = [run_one_episode(q, lib, executor_llm, tools_factory, cfg,
tl=tl, meta={"round": rd, "phase": "practice",
"rollout": 0})]
if a.g_mode != "1" and not logs[0]["correct"]:
for gi in range(1, 3):
logs.append(run_one_episode(q, lib, executor_llm, tools_factory,
cfg, tl=tl,
meta={"round": rd, "phase": "practice",
"rollout": gi}))
if logs[-1]["correct"]:
break
return q, logs
with ThreadPoolExecutor(max_workers=a.workers) as ex:
for fut in as_completed([ex.submit(_run, q) for q in batch]):
try:
q, logs = fut.result()
groups[q.get("probe_id")] = (q, logs)
except Exception as e:
logger.warning("练习失败: %s", e)
first_acc = sum(1 for _, (q, ls) in groups.items() if ls[0]["correct"]) / max(1, len(groups))
logger.info("练习 %d 组,首轮准确率 %.1f%%", len(groups), first_acc * 100)
ops = stage_c_induce(groups, lib, curator_llm, specs, tl=tl, rd=rd)
accepted, rejected = accept_ops(ops, lib, val_by_cell, executor_llm,
tools_factory, cfg, min_n=a.min_val,
tl=tl, rd=rd, workers=max(4, a.workers // 2))
for item in rejected:
logger.info(" 拒绝[%s] %s", item[0].get("op"), item[1])
for op, card, b, af in accepted:
if op.get("op") == "modify":
lib.cards = [card if c["card_id"] == card["card_id"] else c
for c in lib.cards]
else:
lib.cards.append(card)
logger.info(" 入库[%s] %s %.3f→%.3f", op.get("op"), card["card_id"], b, af)
if accepted:
lib.version += 1
lib.index_library()
tl.save_library(lib, f"r{rd}_v{lib.version}")
# 轮末:冻结验证池全量(可比曲线)
ev = eval_pool(test, lib, executor_llm, tools_factory, cfg, tl=tl,
workers=a.workers, tag=f"round{rd}")
logger.info("第 %d 轮末 **真题测试集**准确率 %.1f%% (基线 %.1f%%) 分组 %s",
rd, ev["acc"] * 100, base["acc"] * 100, ev["per_cell"])
curve.append({"round": rd, "lib_size": len(lib.cards),
"version": lib.version, "n_ops": len(ops),
"n_accepted": len(accepted), "practice_acc": round(first_acc, 4),
**ev})
tl.log_round(curve[-1])
json.dump(curve, open(f"{out_dir}/curve.json", "w"), ensure_ascii=False, indent=1)
logger.info("=" * 70)
for c in curve:
logger.info(" 轮%d 真题测试集 %.1f%% 库 %d 张 v%d",
c["round"], c["acc"] * 100, c["lib_size"], c["version"])
logger.info("留痕汇总: %s", json.dumps(summarize(out_dir), ensure_ascii=False))
tl.close()
if __name__ == "__main__":
main()