class TaskFromFile(Task):
- def tensorize(self, pairs):
+ def tensorize(self, pairs, shuffle):
len_max = max([len(x[0]) for x in pairs])
input = torch.cat(
0,
).to("cpu")
+ if shuffle:
+ i = torch.randperm(input.size(0))
+ input = input[i].contiguous()
+ pred_mask = pred_mask[i].contiguous()
+
return input, pred_mask
# trim all the tensors in the tuple z to remove as much token from
nb_train_samples,
nb_test_samples,
batch_size,
+ shuffle=False,
device=torch.device("cpu"),
):
self.batch_size = batch_size
self.char2id = dict([(c, n) for n, c in enumerate(symbols)])
self.id2char = dict([(n, c) for c, n in self.char2id.items()])
- self.train_input, self.train_pred_masks = self.tensorize(train_pairs)
- self.test_input, self.test_pred_masks = self.tensorize(test_pairs)
+ self.train_input, self.train_pred_masks = self.tensorize(
+ train_pairs, shuffle=shuffle
+ )
+ self.test_input, self.test_pred_masks = self.tensorize(
+ test_pairs, shuffle=shuffle
+ )
def batches(self, split="train", nb_to_use=-1, desc=None):
assert split in {"train", "test"}
######################################################################
+
+import escape
+
+
+class Escape(Task):
+ def __init__(
+ self,
+ nb_train_samples,
+ nb_test_samples,
+ batch_size,
+ height,
+ width,
+ T,
+ logger=None,
+ device=torch.device("cpu"),
+ ):
+ super().__init__()
+
+ self.batch_size = batch_size
+ self.device = device
+ self.height = height
+ self.width = width
+
+ states, actions, rewards = escape.generate_episodes(
+ nb_train_samples + nb_test_samples, height, width, T
+ )
+ seq = escape.episodes2seq(states, actions, rewards, lookahead_delta=T)
+ # seq = seq[:, seq.size(1) // 3 : 2 * seq.size(1) // 3]
+ self.train_input = seq[:nb_train_samples].to(self.device)
+ self.test_input = seq[nb_train_samples:].to(self.device)
+
+ self.nb_codes = max(self.train_input.max(), self.test_input.max()) + 1
+
+ def batches(self, split="train", nb_to_use=-1, desc=None):
+ assert split in {"train", "test"}
+ input = self.train_input if split == "train" else self.test_input
+ if nb_to_use > 0:
+ input = input[:nb_to_use]
+ if desc is None:
+ desc = f"epoch-{split}"
+ for batch in tqdm.tqdm(
+ input.split(self.batch_size), dynamic_ncols=True, desc=desc
+ ):
+ yield batch
+
+ def vocabulary_size(self):
+ return self.nb_codes
+
+ def thinking_autoregression(
+ self, n_epoch, model, result_dir, logger, deterministic_synthesis, nmax=1000
+ ):
+ result = self.test_input[:100].clone()
+ t = torch.arange(result.size(1), device=result.device)[None, :]
+
+ state_len = self.height * self.width
+ it_len = state_len + 3 # state / action / reward / lookahead_reward
+
+ def ar(result, ar_mask):
+ ar_mask = ar_mask.expand_as(result)
+ result *= 1 - ar_mask
+ masked_inplace_autoregression(
+ model,
+ self.batch_size,
+ result,
+ ar_mask,
+ deterministic_synthesis,
+ device=self.device,
+ progress_bar_desc=None,
+ )
+
+ # Generate iteration after iteration
+
+ for u in tqdm.tqdm(
+ range(it_len, result.size(1) - it_len + 1, it_len), desc="thinking"
+ ):
+ # Put the lookahead reward to -1 for the current iteration,
+ # sample the next state
+ s = -1
+ result[:, u - 1] = s + 1 + escape.first_lookahead_rewards_code
+ ar_mask = (t >= u).long() * (t < u + state_len).long()
+ ar(result, ar_mask)
+
+ # Put the lookahead reward to +1 for the current
+ # iteration, sample the action and reward
+ s = 1
+ result[:, u - 1] = s + 1 + escape.first_lookahead_rewards_code
+ ar_mask = (t >= u + state_len).long() * (t < u + state_len + 2).long()
+ ar(result, ar_mask)
+
+ # Fix the previous lookahead rewards in a consistant state
+ for v in range(0, u, it_len):
+ # Extract the rewards
+ r = result[:, range(v + state_len + 1 + it_len, u + it_len - 1, it_len)]
+ r = r - escape.first_lookahead_rewards_code - 1
+ a = r.min(dim=1).values
+ b = r.max(dim=1).values
+ s = (a < 0).long() * a + (a >= 0).long() * b
+ result[:, v + state_len + 2] = (
+ s + 1 + escape.first_lookahead_rewards_code
+ )
+
+ # Saving the generated sequences
+
+ s, a, r, lr = escape.seq2episodes(
+ result, self.height, self.width, lookahead=True
+ )
+ str = escape.episodes2str(
+ s, a, r, lookahead_rewards=lr, unicode=True, ansi_colors=True
+ )
+
+ filename = os.path.join(result_dir, f"test_thinking_seq_{n_epoch:04d}.txt")
+ with open(filename, "w") as f:
+ f.write(str)
+ logger(f"wrote {filename}")
+
+ def produce_results(
+ self, n_epoch, model, result_dir, logger, deterministic_synthesis, nmax=1000
+ ):
+ result = self.test_input[:100].clone()
+
+ # Saving the ground truth
+
+ s, a, r, lr = escape.seq2episodes(
+ result, self.height, self.width, lookahead=True
+ )
+ str = escape.episodes2str(
+ s, a, r, lookahead_rewards=lr, unicode=True, ansi_colors=True
+ )
+
+ filename = os.path.join(result_dir, f"test_true_seq_{n_epoch:04d}.txt")
+ with open(filename, "w") as f:
+ f.write(str)
+ logger(f"wrote {filename}")
+
+ # Re-generating from the first frame
+
+ ar_mask = (
+ torch.arange(result.size(1), device=result.device)
+ >= self.height * self.width + 3
+ ).long()[None, :]
+ ar_mask = ar_mask.expand_as(result)
+ result *= 1 - ar_mask # paraaaaanoiaaaaaaa
+
+ masked_inplace_autoregression(
+ model,
+ self.batch_size,
+ result,
+ ar_mask,
+ deterministic_synthesis,
+ device=self.device,
+ )
+
+ # Saving the generated sequences
+
+ s, a, r, lr = escape.seq2episodes(
+ result, self.height, self.width, lookahead=True
+ )
+ str = escape.episodes2str(
+ s, a, r, lookahead_rewards=lr, unicode=True, ansi_colors=True
+ )
+
+ filename = os.path.join(result_dir, f"test_seq_{n_epoch:04d}.txt")
+ with open(filename, "w") as f:
+ f.write(str)
+ logger(f"wrote {filename}")
+
+ self.thinking_autoregression(
+ n_epoch, model, result_dir, logger, deterministic_synthesis, nmax
+ )
+
+
+######################################################################
projects / picoclvr.git / blobdiff