-class Stack(Task):
- def __init__(
- self,
- nb_train_samples,
- nb_test_samples,
- batch_size,
- logger,
- nb_steps,
- nb_stacks,
- nb_digits,
- fraction_values_for_train=None,
- device=torch.device("cpu"),
- ):
- super().__init__()
-
- self.batch_size = batch_size
- self.nb_steps = nb_steps
- self.nb_stacks = nb_stacks
- self.nb_digits = nb_digits
- self.device = device
-
- if fraction_values_for_train is None:
- values_for_train = None
- values_for_test = None
- else:
- all = torch.randperm(10**nb_digits)
- nb_for_train = int(all.size(0) * fraction_values_for_train)
- values_for_train = all[:nb_for_train]
- values_for_test = all[nb_for_train:]
-
- self.train_input, self.train_stack_counts = stack.generate_sequences(
- nb_train_samples,
- nb_steps,
- nb_stacks,
- nb_digits,
- values_for_train,
- self.device,
- )
-
- self.test_input, self.test_stack_counts = stack.generate_sequences(
- nb_test_samples,
- nb_steps,
- nb_stacks,
- nb_digits,
- values_for_test,
- self.device,
- )
-
- i = torch.logical_and(self.test_input % 2 == 1, self.test_input < 2 * nb_stacks)
- counts = self.test_stack_counts.flatten()[i.flatten()]
- counts = F.one_hot(counts).sum(0)
- logger(f"test_pop_stack_counts {counts}")
-
- 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 produce_results(
- self, n_epoch, model, result_dir, logger, deterministic_synthesis
- ):
- def compute_nb_correct(input):
- result = input.clone()
- stack.remove_popped_values(result, self.nb_stacks, self.nb_digits)
- ar_mask = (result != input).long()
- masked_inplace_autoregression(
- model,
- self.batch_size,
- result,
- ar_mask,
- deterministic_synthesis,
- device=self.device,
- )
-
- errors = ((result != input).long() * ar_mask).reshape(
- -1, 1 + self.nb_digits
- )
- ar_mask = ar_mask.reshape(-1, 1 + self.nb_digits)
-
- nb_total = ar_mask.max(1).values.sum()
- nb_correct = nb_total - errors.max(1).values.sum()
-
- return nb_total, nb_correct
-
- test_nb_total, test_nb_correct = compute_nb_correct(self.test_input[:1000])
-
- logger(
- f"accuracy_test {n_epoch} nb_total {test_nb_total} nb_correct {test_nb_correct} accuracy {(100.0*test_nb_correct)/test_nb_total:.02f}%"
- )
-
- ##############################################################
- # Log a few generated sequences
- input = self.test_input[:10, : 12 * (1 + self.nb_digits)]
- result = input.clone()
- stack.remove_popped_values(result, self.nb_stacks, self.nb_digits)
- ar_mask = (result != input).long()
-
- # for n in range(result.size(0)):
- # logger(
- # f"test_before {stack.seq_to_str(result[n],nb_stacks=self.nb_stacks,nb_digits=self.nb_digits)}"
- # )
-
- masked_inplace_autoregression(
- model,
- self.batch_size,
- result,
- ar_mask,
- deterministic_synthesis,
- device=self.device,
- )
-
- for n in range(result.size(0)):
- logger(
- f"test_after {stack.seq_to_str(result[n],nb_stacks=self.nb_stacks,nb_digits=self.nb_digits)}"
- )
- ##############################################################
-
-
-######################################################################
-
-import rpl
-
-
-class RPL(Task):
- def tensorize(self, sequences):
- len_max = max([len(x) for x in sequences])
- return torch.cat(
- [
- torch.tensor(
- [
- [
- self.token2id[str(c)]
- for c in s + ["<nul>"] * (len_max - len(s))
- ]
- for s in sequences
- ]
- )
- ],
- 0,
- )
-
- def seq2str(self, seq):
- return " ".join([self.id2token[i] for i in seq])
-
- def __init__(
- self,
- nb_train_samples,
- nb_test_samples,
- batch_size,
- nb_starting_values=3,
- max_input=9,
- prog_len=6,
- nb_runs=5,
- no_prog=False,
- logger=None,
- device=torch.device("cpu"),
- ):
- super().__init__()
-
- self.batch_size = batch_size
- self.device = device
- self.no_prog = no_prog
-
- train_sequences = [
- rpl.generate(
- nb_starting_values=nb_starting_values,
- nb_result_values_max=4 * nb_starting_values,
- max_input=max_input,
- prog_len=prog_len,
- nb_runs=nb_runs,
- )
- for _ in tqdm.tqdm(range(nb_train_samples), desc="train-data")
- ]
-
- test_sequences = [
- rpl.generate(
- nb_starting_values=nb_starting_values,
- nb_result_values_max=4 * nb_starting_values,
- max_input=max_input,
- prog_len=prog_len,
- nb_runs=nb_runs,
- )
- for _ in tqdm.tqdm(range(nb_test_samples), desc="test-data")
- ]
-
- symbols = list(
- set(["<nul>"] + [x for l in train_sequences + test_sequences for x in l])
- )
- val_max = max([x if type(x) is int else 0 for x in symbols])
- symbols = list(filter(lambda x: type(x) is str, symbols))
- symbols.sort()
- symbols += [str(n) for n in range(val_max + 1)]
- self.token2id = dict([(c, n) for n, c in enumerate(symbols)])
- self.id2token = dict([(n, c) for c, n in self.token2id.items()])
-
- self.t_nul = self.token2id["<nul>"]
- self.t_input = self.token2id["<input>"]
- self.t_output = self.token2id["<output>"]
- self.t_prog = self.token2id["<prog>"]
- self.t_end = self.token2id["<end>"]
-
- self.train_input = self.tensorize(train_sequences)
- self.test_input = self.tensorize(test_sequences)
-
- if no_prog:
- # Excise the program from every train and test example
- k = torch.arange(self.train_input.size(1), device=self.train_input.device)[
- None, :
- ]
- p = (
- ((self.train_input == self.t_prog).long() * k)
- .max(1, keepdim=True)
- .values
- )
- self.train_input = (
- self.train_input * (k <= p).long()
- + self.t_end * (k == p + 1).long()
- + self.t_nul * (k > p + 1).long()
- )
- k = torch.arange(self.test_input.size(1), device=self.test_input.device)[
- None, :
- ]
- p = (
- ((self.test_input == self.t_prog).long() * k)
- .max(1, keepdim=True)
- .values
- )
- self.test_input = (
- self.test_input * (k <= p).long()
- + self.t_end * (k == p + 1).long()
- + self.t_nul * (k > p + 1).long()
- )
-
- if logger is not None:
- logger(f"value_max {val_max}")
- for x in self.train_input[:25]:
- end = (x != self.t_nul).nonzero().max().item() + 1
- seq = [self.id2token[i.item()] for i in x[:end]]
- s = " ".join(seq)
- logger(f"example_seq {s}")
-
- 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
- ):
- last = (batch != self.t_nul).max(0).values.nonzero().max() + 3
- batch = batch[:, :last].to(self.device)
- yield batch
-
- def vocabulary_size(self):
- return self.nb_codes
-
- def produce_results(
- self, n_epoch, model, result_dir, logger, deterministic_synthesis
- ):
- # --------------------------------------------------------------------
- def compute_nb_errors_prog(input, nb_to_log=0):
- result = input.clone()
- s = (result == self.t_prog).long()
- ar_mask = (s.cumsum(dim=1) - s).clamp(min=0, max=1)
- result = (1 - ar_mask) * result + ar_mask * self.t_nul
-
- masked_inplace_autoregression(
- model,
- self.batch_size,
- result,
- ar_mask,
- deterministic_synthesis,
- device=self.device,
- )
-
- sum_nb_total, sum_nb_errors = 0, 0
- for one_input, one_result in zip(input, result):
- seq = [self.id2token[i.item()] for i in one_result]
- nb_total, nb_errors, prog, stacks = rpl.compute_nb_errors(seq)
- sum_nb_total += 1
- sum_nb_errors += 0 if nb_errors == 0 else 1
- if nb_to_log > 0:
- gt_seq = [self.id2token[i.item()] for i in one_input]
- _, _, gt_prog, _ = rpl.compute_nb_errors(gt_seq)
- gt_prog = " ".join([str(x) for x in gt_prog])
- prog = " ".join([str(x) for x in prog])
- comment = "*" if nb_errors == 0 else "-"
- logger(f"{comment} PROG [{gt_prog}] PREDICTED [{prog}]")
- for start_stack, target_stack, result_stack, correct in stacks:
- comment = "*" if correct else "-"
- start_stack = " ".join([str(x) for x in start_stack])
- target_stack = " ".join([str(x) for x in target_stack])
- result_stack = " ".join([str(x) for x in result_stack])
- logger(
- f" {comment} [{start_stack}] -> [{target_stack}] PREDICTED [{result_stack}]"
- )
- nb_to_log -= 1
-
- return sum_nb_total, sum_nb_errors
-
- # --------------------------------------------------------------------
- def compute_nb_errors_output(input, nb_to_log=0):
- result = input.clone()
- k = torch.arange(result.size(1), device=result.device)[None, :]
- last_output_idx = (
- ((result == self.t_output) * k).max(dim=1, keepdim=True).values
- )
- first_prog_idx = (
- ((result == self.t_prog) * k).max(dim=1, keepdim=True).values
- )
- ar_mask = (k > last_output_idx).long() * (k < first_prog_idx).long()
- result = (1 - ar_mask) * result + ar_mask * self.t_nul
-
- masked_inplace_autoregression(
- model,
- self.batch_size,
- result,
- ar_mask,
- deterministic_synthesis,
- device=self.device,
- )
-
- sum_nb_total, sum_nb_errors = 0, 0
- for one_input, one_result, i, j in zip(
- input, result, last_output_idx, first_prog_idx
- ):
- seq = [self.id2token[i.item()] for i in one_result]
- sum_nb_total += 1
- correct = (one_input - one_result).abs().max() == 0
- sum_nb_errors += 0 if correct else 1
- if nb_to_log > 0:
- result_stack = [
- self.id2token[i.item()] for i in one_result[i : j + 1]
- ]
- target_stack = [
- self.id2token[i.item()] for i in one_input[i : j + 1]
- ]
- comment = "*" if correct else "-"
- result_stack = " ".join([str(x) for x in result_stack])
- target_stack = " ".join([str(x) for x in target_stack])
- logger(
- f"output_test {comment} [{target_stack}] PREDICTED [{result_stack}]"
- )
- nb_to_log -= 1
-
- return sum_nb_total, sum_nb_errors
-
- # --------------------------------------------------------------------
-
- if not self.no_prog:
- test_nb_total, test_nb_errors = compute_nb_errors_prog(
- self.test_input[:1000].to(self.device), nb_to_log=10
- )
-
- logger(
- f"accuracy_prog_test {n_epoch} nb_total {test_nb_total} nb_errors {test_nb_errors} accuracy {100.0*(1-test_nb_errors/test_nb_total):.02f}%"
- )
-
- test_nb_total, test_nb_errors = compute_nb_errors_output(
- self.test_input[:1000].to(self.device), nb_to_log=10
- )
-
- logger(
- f"accuracy_output_test {n_epoch} nb_total {test_nb_total} nb_errors {test_nb_errors} accuracy {100.0*(1-test_nb_errors/test_nb_total):.02f}%"
- )
-
-
-######################################################################
-
-
-import expr
-
-
-class Expr(Task):
- def tensorize(self, sequences):
- len_max = max([len(x) for x in sequences])
- return torch.cat(
- [
- torch.tensor(
- [
- [self.char2id[c] for c in s + "#" * (len_max - len(s))]
- for s in sequences
- ]
- )
- ],
- 0,
- ).to(self.device)
-
- def __init__(
- self,
- nb_train_samples,
- nb_test_samples,
- nb_variables,
- sequence_length,
- operand_max,
- result_max,
- batch_size,
- device=torch.device("cpu"),
- ):
- super().__init__()
-
- self.batch_size = batch_size
- self.device = device
-
- train_sequences = expr.generate_sequences(
- nb_train_samples,
- nb_variables=nb_variables,
- length=sequence_length,
- operand_max=operand_max,
- result_max=result_max,
- )
-
- test_sequences = expr.generate_sequences(
- nb_test_samples,
- nb_variables=nb_variables,
- length=sequence_length,
- operand_max=operand_max,
- result_max=result_max,
- )
-
- symbols = list(set("#" + "".join(train_sequences + test_sequences)))
- symbols.sort()
-
- self.char2id = dict([(c, n) for n, c in enumerate(symbols)])
- self.id2char = dict([(n, c) for c, n in self.char2id.items()])
-
- self.filler, self.space = self.char2id["#"], self.char2id[" "]
-
- self.train_input = self.tensorize(train_sequences)
- self.test_input = self.tensorize(test_sequences)
-
- 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
- ):
- last = (batch != self.filler).max(0).values.nonzero().max() + 3
- batch = batch[:, :last]
- yield batch
-
- def vocabulary_size(self):
- return self.nb_codes
-
- def seq2str(self, s):
- return "".join([self.id2char[k.item()] for k in s])
-
- def produce_results(
- self,
- n_epoch,
- model,
- result_dir,
- logger,
- deterministic_synthesis,
- input_file=None,
- ):
- def compute_nb_correct(input):
- result = input.clone()
- s = (result == self.space).long()
- ar_mask = (s.cumsum(dim=1) - s).clamp(min=0, max=1)
- result = (1 - ar_mask) * result + ar_mask * self.filler
- masked_inplace_autoregression(
- model,
- self.batch_size,
- result,
- ar_mask,
- deterministic_synthesis,
- device=self.device,
- )
-
- nb_total = input.size(0)
- nb_correct = (input == result).long().min(1).values.sum()
-
- #######################################################################
- # Comput predicted vs. true variable values
-
- nb_delta = torch.zeros(5, dtype=torch.int64)
- nb_missed = 0
-
- values_input = expr.extract_results([self.seq2str(s) for s in input])
- values_result = expr.extract_results([self.seq2str(s) for s in result])
-
- filename = os.path.join(result_dir, f"expr_result_{n_epoch:04d}.txt")
-
- with open(filename, "w") as f:
- for i, r in zip(values_input, values_result):
- for n, vi in i.items():
- vr = r.get(n)
- f.write(f"{vi} {-1 if vr is None else vr}\n")
-
- if vr is None or vr < 0:
- nb_missed += 1
- else:
- d = abs(vr - vi)
- if d >= nb_delta.size(0):
- nb_missed += 1
- else:
- nb_delta[d] += 1
-
- ######################################################################
-
- return nb_total, nb_correct, nb_delta, nb_missed
-
- (
- test_nb_total,
- test_nb_correct,
- test_nb_delta,
- test_nb_missed,
- ) = compute_nb_correct(self.test_input[:10000])
-
- logger(
- f"accuracy_test {n_epoch} nb_total {test_nb_total} nb_correct {test_nb_correct} accuracy {(100.0*test_nb_correct)/test_nb_total:.02f}%"
- )
-
- nb_total = test_nb_delta.sum() + test_nb_missed
- for d in range(test_nb_delta.size(0)):
- logger(
- f"error_value {n_epoch} delta {d} {test_nb_delta[d]} {test_nb_delta[d]*100/nb_total:.02f}%"
- )
- logger(
- f"error_value {n_epoch} missed {test_nb_missed} {test_nb_missed*100/nb_total:.02f}%"
- )
-
- ##############################################################
- # Log a few generated sequences
- if input_file is None:
- input = self.test_input[:10]
- else:
- with open(input_file, "r") as f:
- sequences = [e.strip() for e in f.readlines()]
- sequences = [s + " " + "#" * 50 for s in sequences]
- input = self.tensorize(sequences)
-
- result = input.clone()
- s = (result == self.space).long()
- ar_mask = (s.cumsum(dim=1) - s).clamp(min=0, max=1)
- result = (1 - ar_mask) * result + ar_mask * self.filler
-
- for n in range(result.size(0)):
- logger(f"test_before {self.seq2str(result[n])}")
-
- masked_inplace_autoregression(
- model,
- self.batch_size,
- result,
- ar_mask,
- deterministic_synthesis,
- device=self.device,
- )
-
- correct = (1 - ar_mask) * self.space + ar_mask * input
- for n in range(result.size(0)):
- comment = "GOOD" if (result[n] - input[n]).abs().max() == 0 else ""
- logger(f"test_after {self.seq2str(result[n])} {comment}")
- logger(f"truth {self.seq2str(correct[n])}")
- ##############################################################
-
-
-######################################################################
-
-import world
-
-
-class World(Task):
- def __init__(
- self,
- nb_train_samples,
- nb_test_samples,
- batch_size,
- vqae_nb_epochs,
- logger=None,
- device=torch.device("cpu"),
- device_storage=torch.device("cpu"),
- ):
- super().__init__()
-
- self.batch_size = batch_size
- self.device = device
-
- (
- train_frames,
- train_action_seq,
- test_frames,
- test_action_seq,
- self.frame2seq,
- self.seq2frame,
- ) = world.create_data_and_processors(
- nb_train_samples,
- nb_test_samples,
- mode="first_last",
- nb_steps=30,
- nb_epochs=vqae_nb_epochs,
- logger=logger,
- device=device,
- device_storage=device_storage,
- )
-
- train_frame_seq = self.frame2seq(train_frames).to(device_storage)
- test_frame_seq = self.frame2seq(test_frames).to(device_storage)
-
- nb_frame_codes = max(train_frame_seq.max(), test_frame_seq.max()) + 1
- nb_action_codes = max(train_action_seq.max(), test_action_seq.max()) + 1
-
- self.len_frame_seq = train_frame_seq.size(1)
- self.len_action_seq = train_action_seq.size(1)
- self.nb_codes = nb_frame_codes + nb_action_codes
-
- train_frame_seq = train_frame_seq.reshape(train_frame_seq.size(0) // 2, 2, -1)
-
- train_action_seq += nb_frame_codes
- self.train_input = torch.cat(
- (train_frame_seq[:, 0, :], train_action_seq, train_frame_seq[:, 1, :]), 1
- )
-
- test_frame_seq = test_frame_seq.reshape(test_frame_seq.size(0) // 2, 2, -1)
- test_action_seq += nb_frame_codes
- self.test_input = torch.cat(
- (test_frame_seq[:, 0, :], test_action_seq, test_frame_seq[:, 1, :]), 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.to(self.device)
-
- def vocabulary_size(self):
- return self.nb_codes
-
- def produce_results(
- self, n_epoch, model, result_dir, logger, deterministic_synthesis
- ):
- k = torch.arange(
- 2 * self.len_frame_seq + self.len_action_seq, device=self.device
- )[None, :]
-
- input = self.test_input[:64].to(self.device)
- result = input.clone()
-
- ar_mask = (
- (k >= self.len_frame_seq + self.len_action_seq).long().expand_as(result)
- )
- result *= 1 - ar_mask
-
- masked_inplace_autoregression(
- model,
- self.batch_size,
- result,
- ar_mask,
- deterministic_synthesis,
- device=self.device,
- )
-
- seq_start = input[:, : self.len_frame_seq]
- seq_end = input[:, self.len_frame_seq + self.len_action_seq :]
- seq_predicted = result[:, self.len_frame_seq + self.len_action_seq :]
-
- result = torch.cat(
- (seq_start[:, None, :], seq_end[:, None, :], seq_predicted[:, None, :]), 1
- )
- result = result.reshape(-1, result.size(-1))
-
- frames = self.seq2frame(result)
- image_name = os.path.join(result_dir, f"world_result_{n_epoch:04d}.png")
- torchvision.utils.save_image(
- frames.float() / (world.Box.nb_rgb_levels - 1),
- image_name,
- nrow=12,
- padding=1,
- pad_value=0.0,
- )
- logger(f"wrote {image_name}")
-
-
-######################################################################