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trainer.py
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trainer.py
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import random
import os
import numpy as np
from tqdm import tqdm
import torch
from config import doge_config
from dataset import ReplayBuffer
from modules import DeterministicActor, EnsembledCritic, Distance
from doge import DOGE
import wandb
class DOGETrainer:
def __init__(self,
cfg=doge_config) -> None:
self.cfg = cfg
self.device = cfg.device
seed = cfg.seed
random.seed(seed)
os.environ['PYTHONASSEED'] = str(seed)
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed(seed)
torch.backends.cudnn.deterministic = True
torch.backends.cudnn.benchmark = True
self.state_dim = 17
self.action_dim = 6
self.batch_size = cfg.batch_size
actor = DeterministicActor(self.state_dim, self.action_dim, cfg.hidden_dim, edac_init=True).to(self.device)
critic = EnsembledCritic(self.state_dim, self.action_dim, cfg.hidden_dim, layer_norm=cfg.critic_ln).to(self.device)
distance = Distance(self.state_dim, self.action_dim, cfg.hidden_dim, cfg.num_negative_samples).to(self.device)
self.buffer = ReplayBuffer(self.state_dim, self.action_dim, cfg.buffer_size)
self.buffer.from_json(cfg.dataset_name)
if cfg.normalize:
_, _ = self.buffer.normalize_states()
self.doge = DOGE(cfg,
actor,
critic,
distance)
def fit(self):
print(f"Training starts on {self.cfg.device} 🚀")
with wandb.init(project=self.cfg.project, entity="zzmtsvv", group=self.cfg.group, name=self.cfg.name):
wandb.config.update({k: v for k, v in self.cfg.__dict__.items() if not k.startswith("__")})
for t in tqdm(range(self.cfg.max_timesteps), desc="DOGE steps"):
batch = self.buffer.sample(self.batch_size)
states, actions, rewards, next_states, dones = [x.to(self.device) for x in batch]
logging_dict = self.doge.train(states,
actions,
rewards,
next_states,
dones)
wandb.log(logging_dict, step=self.doge.total_iterations)