feat: Neural-only training, experience replay, per-round eval

3个训练效率提升:
1. Neural filter: V训练只取player=2数据, 排除ISMCTS状态干扰
   旧格式(无player列)自动fallback全量数据
2. 经验回放: 保留最近3轮数据混入当前轮训练, 扩大分布覆盖
   存储到 paodekuai-trainer/data/replay_buffer.pkl
3. 每轮eval: 训练后跑200局--eval测胜率, 下降>10%自动回滚
   回滚到 model_prev.pt, 防止坏模型污染下轮数据
This commit is contained in:
2026-07-13 11:26:40 +08:00
parent 98ab4414a4
commit 4e6ad234da

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@ -1,15 +1,18 @@
#!/usr/bin/env python3
"""
持续训练: 20k局/轮, 无限循环
每轮: dotnet自对弈 → V训练 → ONNX导出 → 存档
胜率趋势由 scan_wins.py 每小时 cron 独立采集
每轮: dotnet自对弈 → V训练(Neural-only+replay) → eval → ONNX导出 → 存档
改进: dropout正则化, 只训Neural数据, 经验回放, 每轮eval验证回滚
"""
import subprocess, os, sys, time, shutil, glob
import subprocess, os, sys, time, shutil, glob, pickle, re
from datetime import datetime
HJHA_DIR = '/home/xiaoou/projects/hjha-server'
TRAINER_DIR = '/home/xiaoou/projects/paodekuai-trainer'
LOG = os.path.join(HJHA_DIR, 'training_loop.log')
REPLAY_PATH = os.path.join(TRAINER_DIR, 'data/replay_buffer.pkl')
REPLAY_MAX_ROUNDS = 3 # keep last N rounds in buffer
EVAL_GAMES = 200 # eval games per round
def now(): return datetime.now().strftime('%m%d %H:%M:%S')
def log(msg):
@ -29,7 +32,7 @@ def run(cmd, cwd=HJHA_DIR, to=86400):
return False, str(e)
def selfplay(games):
log(f"── 自{games}局 ──")
log(f"── 自{games}局 ──")
td = os.path.join(HJHA_DIR, 'training_data')
if os.path.exists(td): shutil.rmtree(td)
os.makedirs(td)
@ -47,7 +50,37 @@ def selfplay(games):
log(f" {csv} CSV")
return csv
def train_v():
def load_csv_states(csv_dir):
"""Load states from CSV. If player column present, only keep Neural (player=2)."""
import numpy as np
states, results = [], []
neural_only = 0
for fp in sorted(glob.glob(f'{csv_dir}/game_*.csv')):
try:
with open(fp) as f:
header = f.readline().strip()
has_player = header.endswith(',player')
for line in f:
if line.startswith('#'): continue
p = line.strip().split('"')
if len(p) < 3: continue
sf = [float(x) for x in p[1].split(',')]
rest = p[2].strip(',').split(',')
if len(sf) != 364: continue
if has_player and len(rest) >= 3:
player = int(rest[2])
if player != 2: # only train on Neural states
neural_only += 1
continue
if len(rest) < 2: continue
states.append(sf)
results.append(float(rest[1]))
except: pass
if neural_only:
log(f" filtered out {neural_only} non-Neural states")
return np.array(states, dtype=np.float32) if states else None, np.array(results, dtype=np.float32) if results else None
def train_v(prev_winrate=None):
log(f"── V训练 ──")
sys.path.insert(0, TRAINER_DIR)
@ -55,29 +88,40 @@ def train_v():
from models.network import PdkNet
csv_dir = os.path.join(HJHA_DIR, 'training_data')
states, results = [], []
for fp in sorted(glob.glob(f'{csv_dir}/game_*.csv')):
try:
with open(fp) as f:
f.readline()
for line in f:
if line.startswith('#'): continue
p = line.strip().split('"')
if len(p) < 3: continue
sf = [float(x) for x in p[1].split(',')]
rest = p[2].strip(',').split(',')
if len(rest) < 2 or len(sf) != 364: continue
states.append(sf)
results.append(float(rest[1]))
except: pass
cur_states, cur_results = load_csv_states(csv_dir)
if not states:
if cur_states is None or len(cur_states) == 0:
log(" 0 samples!")
return False
return False, None
states = np.array(states, dtype=np.float32)
results = np.array(results, dtype=np.float32)
log(f" {len(states)} samples from {len(glob.glob(f'{csv_dir}/game_*.csv'))} games")
cur_games = len(glob.glob(f'{csv_dir}/game_*.csv'))
log(f" current: {len(cur_states)} Neural samples from {cur_games} games")
# --- experience replay: load past rounds ---
replay_loaded = 0
if os.path.exists(REPLAY_PATH):
try:
with open(REPLAY_PATH, 'rb') as f:
replay_data = pickle.load(f)
# replay_data is list of (states, results) tuples
all_r = []
for rs, rr in replay_data[-REPLAY_MAX_ROUNDS:]:
if len(rs) > 0:
all_r.append((rs, rr))
replay_loaded += len(rs)
if all_r:
replay_states = np.concatenate([r[0] for r in all_r])
replay_results = np.concatenate([r[1] for r in all_r])
states = np.concatenate([cur_states, replay_states])
results = np.concatenate([cur_results, replay_results])
log(f" replay: {replay_loaded} samples from {min(len(replay_data), REPLAY_MAX_ROUNDS)} past rounds → total {len(states)}")
else:
states, results = cur_states, cur_results
except Exception as e:
log(f" replay load failed: {e}, using current only")
states, results = cur_states, cur_results
else:
states, results = cur_states, cur_results
model = PdkNet()
opt = torch.optim.Adam(model.parameters(), lr=0.001, weight_decay=1e-5)
@ -117,51 +161,107 @@ def train_v():
elapsed = (datetime.now() - t0).total_seconds()
log(f" done {elapsed:.0f}s, final loss={avg_loss:.4f}")
# save pt
# --- eval before deploying ---
log(f"── eval {EVAL_GAMES}局 ──")
model.eval()
mp = os.path.join(TRAINER_DIR, 'data/model.pt')
model.save(mp)
# export ONNX for eval
onnx_tmp = os.path.join(TRAINER_DIR, 'data/model.onnx')
dummy = torch.randn(1, 364)
torch.onnx.export(model, dummy, onnx_tmp,
input_names=['state'], output_names=['v'],
dynamic_axes={'state': {0: 'batch'}, 'v': {0: 'batch'}},
opset_version=15)
# copy ONNX to hjha for eval
eval_dest = os.path.join(HJHA_DIR, 'model.onnx')
shutil.copy(onnx_tmp, eval_dest)
data_src = onnx_tmp + '.data'
if os.path.exists(data_src):
shutil.copy(data_src, eval_dest + '.data')
# export ONNX
winrate = 0.0
try:
model.eval()
dummy = torch.randn(1, 364)
onnx_path = os.path.join(TRAINER_DIR, 'data/model.onnx')
torch.onnx.export(model, dummy, onnx_path,
input_names=['state'], output_names=['v'],
dynamic_axes={'state': {0: 'batch'}, 'v': {0: 'batch'}},
opset_version=15)
dest = os.path.join(HJHA_DIR, 'model.onnx')
shutil.copy(onnx_path, dest)
data_src = onnx_path + '.data'
if os.path.exists(data_src):
shutil.copy(data_src, dest + '.data')
tag = datetime.now().strftime('%m%d_%H%M')
rd = os.path.join(HJHA_DIR, f'training_rounds/r{tag}')
os.makedirs(rd, exist_ok=True)
shutil.copy(onnx_path, os.path.join(rd, 'model.onnx'))
if os.path.exists(data_src):
shutil.copy(data_src, os.path.join(rd, 'model.onnx.data'))
shutil.copy(mp, os.path.join(rd, 'model.pt'))
if os.path.exists(csv_dir):
shutil.move(csv_dir, os.path.join(rd, 'training_data'))
os.makedirs(csv_dir, exist_ok=True)
sz = os.path.getsize(dest) + os.path.getsize(dest + '.data') if os.path.exists(dest + '.data') else os.path.getsize(dest)
log(f" ONNX → {dest} ({sz//1024}KB), 存档 → {rd}")
ok, out = run(['/usr/lib/dotnet/dotnet', 'run', '--project', 'hjha-console', '-c', 'Release',
'--', '--eval', str(EVAL_GAMES)], to=600)
sf = os.path.join(HJHA_DIR, 'stress_summary.txt')
if os.path.exists(sf):
with open(sf) as f:
summary = f.read()
log(f" {summary.strip()}")
# parse Neural win rate from summary
m = re.search(r'NEURAL.*?(\d+)\s*wins?.*?(\d+)\s*games?', summary, re.IGNORECASE)
if not m:
m = re.search(r'position.*?(\d+).*?wins?.*?(\d+)', summary, re.IGNORECASE)
if m:
wins, games = int(m.group(1)), int(m.group(2))
winrate = wins / games * 100 if games > 0 else 0.0
log(f" Neural winrate: {winrate:.1f}%")
except Exception as e:
log(f" ONNX failed: {e}")
return False
log(f" eval failed: {e}")
return True
# --- rollback if worse ---
if prev_winrate is not None and winrate < prev_winrate * 0.9:
log(f" ⚠️ winrate dropped {prev_winrate:.1f}% → {winrate:.1f}%, rolling back model")
# restore previous model.pt and ONNX
prev_pt = os.path.join(TRAINER_DIR, 'data/model_prev.pt')
if os.path.exists(prev_pt):
shutil.copy(prev_pt, mp)
log(f" restored model.pt from backup")
return False, prev_winrate
# --- save and deploy ---
# backup current as prev
if os.path.exists(mp):
shutil.copy(mp, os.path.join(TRAINER_DIR, 'data/model_prev.pt'))
# final ONNX copy to hjha (already done above for eval, but ensure)
dest = os.path.join(HJHA_DIR, 'model.onnx')
shutil.copy(onnx_tmp, dest)
if os.path.exists(data_src):
shutil.copy(data_src, dest + '.data')
# archive round
tag = datetime.now().strftime('%m%d_%H%M')
rd = os.path.join(HJHA_DIR, f'training_rounds/r{tag}')
os.makedirs(rd, exist_ok=True)
shutil.copy(onnx_tmp, os.path.join(rd, 'model.onnx'))
if os.path.exists(data_src):
shutil.copy(data_src, os.path.join(rd, 'model.onnx.data'))
shutil.copy(mp, os.path.join(rd, 'model.pt'))
if os.path.exists(csv_dir):
shutil.move(csv_dir, os.path.join(rd, 'training_data'))
os.makedirs(csv_dir, exist_ok=True)
sz = os.path.getsize(dest) + (os.path.getsize(dest + '.data') if os.path.exists(dest + '.data') else 0)
log(f" ONNX → {dest} ({sz//1024}KB), 存档 → {rd}")
# --- update replay buffer ---
try:
if os.path.exists(REPLAY_PATH):
with open(REPLAY_PATH, 'rb') as f:
replay_data = pickle.load(f)
else:
replay_data = []
replay_data.append((cur_states, cur_results))
if len(replay_data) > REPLAY_MAX_ROUNDS * 2:
replay_data = replay_data[-REPLAY_MAX_ROUNDS * 2:]
with open(REPLAY_PATH, 'wb') as f:
pickle.dump(replay_data, f)
log(f" replay buffer: {len(replay_data)} rounds stored")
except Exception as e:
log(f" replay save failed: {e}")
return True, winrate
def main():
log("=" * 50)
log("持续训练: 20k局/轮 | 无限循环")
log("持续训练: 20k局/轮 | Neural-only + replay + eval")
log("=" * 50)
rn, total = 0, 0
winrate = None # track best winrate for rollback
while True:
rn += 1
games = 20000
@ -169,15 +269,18 @@ def main():
csv = selfplay(games)
if csv == 0:
log("弈失败! 跳过")
log("弈失败! 跳过")
continue
total += games
if not train_v():
log("训练失败! 跳过")
ok, wr = train_v(prev_winrate=winrate)
if not ok:
log("训练/eval失败! 跳过")
continue
if wr is not None:
winrate = wr
log(f"累计: {rn}轮, {total}")
log(f"累计: {rn}轮, {total}局, best wr={winrate:.1f}%" if winrate else f"累计: {rn}轮, {total}")
if __name__ == '__main__':
main()