From: François Fleuret Date: Thu, 6 Jul 2023 09:30:42 +0000 (+0200) Subject: Update. X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=commitdiff_plain;h=68aa86a6645dfef3f919aad5732a1a09db77bfae;p=picoclvr.git Update. --- diff --git a/main.py b/main.py index 9dee679..5b49468 100755 --- a/main.py +++ b/main.py @@ -14,7 +14,7 @@ import torch, torchvision from torch import nn from torch.nn import functional as F -import mygpt, tensorstack +import mygpt, tasks, tensorstack ###################################################################### @@ -92,11 +92,11 @@ parser.add_argument("--picocvlr_prune_properties", type=str, default="none") ############################## # Maze options -parser.add_argument("--maze_height", type=int, default=13) +parser.add_argument("--maze_height", type=int, default=23) -parser.add_argument("--maze_width", type=int, default=21) +parser.add_argument("--maze_width", type=int, default=39) -parser.add_argument("--maze_nb_walls", type=int, default=15) +parser.add_argument("--maze_nb_walls", type=int, default=45) ############################## # Snake options @@ -114,11 +114,11 @@ parser.add_argument("--snake_length", type=int, default=200) parser.add_argument("--stack_nb_steps", type=int, default=100) -parser.add_argument("--stack_nb_stacks", type=int, default=1) +parser.add_argument("--stack_nb_stacks", type=int, default=3) parser.add_argument("--stack_nb_digits", type=int, default=3) -parser.add_argument("--stack_fraction_values_for_train", type=float, default=None) +parser.add_argument("--stack_fraction_values_for_train", type=float, default=0.75) ############################## # Expr options @@ -153,7 +153,7 @@ default_args = { }, "maze": { "nb_epochs": 25, - "batch_size": 25, + "batch_size": 5, "nb_train_samples": 250000, "nb_test_samples": 10000, }, @@ -218,969 +218,6 @@ def log_string(s): for n in vars(args): log_string(f"args.{n} {getattr(args, n)}") -###################################################################### - - -# ra_mask is boolean, with 1s on the values to generate - - -def masked_inplace_autoregression( - model, - batch_size, - input, - ar_mask, - forbidden_tokens=None, - progress_bar_desc="autoregression", - device=torch.device("cpu"), -): - batches = zip(input.split(batch_size), ar_mask.split(batch_size)) - - if progress_bar_desc is not None: - batches = tqdm.tqdm( - batches, - dynamic_ncols=True, - desc=progress_bar_desc, - total=input.size(0) // batch_size, - ) - - for input, ar_mask in batches: - i = (ar_mask.sum(0) > 0).nonzero() - if i.min() > 0: - model( - mygpt.BracketedSequence(input, 0, i.min()) - ) # Needed to initialize the model's cache - for s in range(i.min(), i.max() + 1): - output = model(mygpt.BracketedSequence(input, s, 1)).x - logits = output[:, s] - if forbidden_tokens is not None: - logits = logits.masked_fill(forbidden_tokens, float("-inf")) - if args.deterministic_synthesis: - t_next = logits.argmax(1) - else: - dist = torch.distributions.categorical.Categorical(logits=logits) - t_next = dist.sample() - input[:, s] = ar_mask[:, s] * t_next + (1 - ar_mask[:, s]) * input[:, s] - - -###################################################################### - - -class Task: - def batches(self, split="train"): - pass - - def vocabulary_size(self): - pass - - def produce_results(self, n_epoch, model): - pass - - -###################################################################### - -import picoclvr - - -class TaskPicoCLVR(Task): - # Make a tensor from a list of strings - def tensorize(self, descr): - token_descr = [s.strip().split(" ") for s in descr] - l = max([len(s) for s in token_descr]) - token_descr = [s + [""] * (l - len(s)) for s in token_descr] - id_descr = [[self.token2id[u] for u in s] for s in token_descr] - return torch.tensor(id_descr, device=self.device) - - # Make a list of strings from a tensor - def detensorize(self, x): - return [" ".join([self.id2token[t.item()] for t in r]) for r in x] - - # trim all the tensors in the tuple z to remove as much token from - # left and right in the first tensor. If z is a tuple, all its - # elements are trimed according to the triming for the first - def trim(self, z, token=""): - n = self.token2id[token] - if type(z) == tuple: - x = z[0] - i = (1 - (F.pad(x, (1, 1), value=n) == n).min(0).values.long()).cumsum(0) - a, b = (i == 0).nonzero().max(), (i == i.max()).nonzero().min() - return tuple([t[:, a:b] for t in z]) - else: - i = (1 - (F.pad(z, (1, 1), value=n) == n).min(0).values.long()).cumsum(0) - a, b = (i == 0).nonzero().max(), (i == i.max()).nonzero().min() - return z[:, a:b] - - ###################### - # Not the cleanest part of the code - - # Extract the last image of each sequence, from the last - # included, and set to all the tokens from the beginning of - # that image to the end - def excise_last_image(self, input): - t_img, t_nul = self.token2id[""], self.token2id[""] - nb_img_tokens = self.height * self.width + 1 - - input = input.clone() - t = (input == t_img).long() - tail_masks = (t.cumsum(dim=1) == t.sum(dim=1, keepdim=True)).long() - i = (t * tail_masks).nonzero(as_tuple=True) - j = ( - i[0][:, None], - i[1][:, None] + torch.arange(nb_img_tokens, device=input.device)[None, :], - ) - images = self.trim(input[j]) - input[j] = t_nul - loss_masks = 1 - tail_masks - input, loss_masks = self.trim((input, loss_masks)) - return input, loss_masks, images - - def add_true_image(self, input, images, loss_masks): - t_nul = self.token2id[""] - nb_img_tokens = self.height * self.width + 1 - input = F.pad(input, (0, nb_img_tokens), value=t_nul) - loss_masks = F.pad(loss_masks, (0, nb_img_tokens), value=0) - t = (input == t_nul).long() - i = (t.cumsum(dim=1) == 1).nonzero(as_tuple=True) - j = ( - i[0][:, None], - i[1][:, None] + torch.arange(nb_img_tokens, device=input.device)[None, :], - ) - input[j] = images - loss_masks[j] = 1 - input, loss_masks = self.trim((input, loss_masks)) - return input, loss_masks - - def add_generated_image(self, input, loss_masks, model): - t_img, t_nul = self.token2id[""], self.token2id[""] - nb_img_tokens = self.height * self.width + 1 - - input = F.pad(input, (0, nb_img_tokens), value=t_nul) - loss_masks = F.pad(loss_masks, (0, nb_img_tokens), value=0) - t = (input == t_nul).long() - i = (t.cumsum(dim=1) == 1).nonzero(as_tuple=True) - input[i] = t_img - - j = ( - i[0][:, None], - i[1][:, None] - + 1 - + torch.arange(nb_img_tokens - 1, device=input.device)[None, :], - ) - ar_masks = input.new_zeros(input.size(), dtype=torch.int64) - ar_masks[j] = 1 - forbidden_tokens = ( - torch.arange(self.vocabulary_size(), device=input.device) == t_nul - ) - with torch.autograd.no_grad(): - t = model.training - model.eval() - masked_inplace_autoregression( - model, - self.batch_size, - input, - ar_masks, - forbidden_tokens, - progress_bar_desc=None, - device=self.device, - ) - model.train(t) - - input, loss_masks = self.trim((input, loss_masks)) - - return input, loss_masks - - ###################### - - def __init__( - self, - nb_train_samples, - nb_test_samples, - batch_size, - height, - width, - nb_colors=5, - device=torch.device("cpu"), - pruner_train=None, - pruner_eval=None, - ): - def generate_descr(nb, cache_suffix, pruner): - return picoclvr.generate( - nb, - height=self.height, - width=self.width, - nb_colors=nb_colors, - pruner=pruner, - ) - - self.height = height - self.width = width - self.batch_size = batch_size - self.device = device - self.pruner_train = pruner_train - self.pruner_eval = pruner_eval - - param = { - "nb_train_samples": nb_train_samples, - "nb_test_samples": nb_test_samples, - "height": height, - "width": width, - "nb_colors": nb_colors, - "batch_size": batch_size, - "rng_state": list(torch.get_rng_state()), - } - - log_string( - f"generating {nb_train_samples+nb_test_samples} samples (can take some time)" - ) - self.train_descr = generate_descr( - nb_train_samples, "train", pruner=self.pruner_train - ) - self.test_descr = generate_descr(nb_test_samples, "test", pruner=None) - - # Build the tokenizer - tokens = {"", ""} - for d in [self.train_descr, self.test_descr]: - for s in d: - for t in s.strip().split(" "): - tokens.add(t) - # make this set a sorted list to get the same tensors given - # the same descr - tokens = list(tokens) - tokens.sort() - self.token2id = dict([(t, n) for n, t in enumerate(tokens)]) - self.id2token = dict([(n, t) for n, t in enumerate(tokens)]) - - # Tokenize the train and test sets - self.train_input = self.tensorize(self.train_descr) - self.test_input = self.tensorize(self.test_descr) - - def batches(self, split="train"): - assert split in {"train", "test"} - input = self.train_input if split == "train" else self.test_input - for batch in tqdm.tqdm( - input.split(self.batch_size), dynamic_ncols=True, desc=f"epoch-{split}" - ): - yield self.trim(batch) - - def vocabulary_size(self): - return len(self.token2id) - - def compute_missing_properties(self, n_epoch, model, pruner=None): - acc_nb_requested_properties = [] - acc_nb_missing_properties = [] - acc_nb_results = 0 - - for input in tqdm.tqdm( - self.test_input.split(self.batch_size), - dynamic_ncols=True, - desc=f"test-properties", - ): - tape, loss_masks, _ = self.excise_last_image(input) - tape, loss_masks = self.add_generated_image(tape, loss_masks, model) - result_descr = self.detensorize(tape) - np = picoclvr.nb_properties( - result_descr, - height=self.height, - width=self.width, - pruner=pruner, - ) - nb_requested_properties, _, nb_missing_properties = zip(*np) - acc_nb_requested_properties += nb_requested_properties - acc_nb_missing_properties += nb_missing_properties - acc_nb_results += len(result_descr) - - nb_requested_properties = sum(acc_nb_requested_properties) - nb_missing_properties = sum(acc_nb_missing_properties) - - prefix = "" if pruner is None else "pruned_" - log_string(f"nb_{prefix}samples {n_epoch} {acc_nb_results}") - log_string( - f"property_{prefix}nb {n_epoch} requested {sum(acc_nb_requested_properties)} missing {sum(acc_nb_missing_properties)}" - ) - log_string( - f"property_{prefix}miss {n_epoch} {100*nb_missing_properties/nb_requested_properties:.02f}%" - ) - - ###################################################################### - - def produce_results(self, n_epoch, model): - self.compute_missing_properties(n_epoch, model) - - if self.pruner_eval is not None: - self.compute_missing_properties(n_epoch, model, self.pruner_eval) - - nb_tokens_to_generate = self.height * self.width + 3 - result_descr = [] - nb_per_primer = 8 - primer = [] - - for primer_descr in [ - "red above green green top blue right of red", - "there is red there is yellow there is blue", - "red below yellow yellow below green green below blue red right yellow left green right blue left", - "green bottom yellow bottom green left of blue yellow right of blue blue top", - ]: - primer += [primer_descr] * nb_per_primer - - tape = self.tensorize(primer) - loss_masks = 1 - (tape == self.token2id[""]).long() - tape, loss_masks = self.add_generated_image(tape, loss_masks, model) - result_descr = self.detensorize(tape) - - np = picoclvr.nb_properties(result_descr, height=self.height, width=self.width) - - acc_nb_requested_properties, _, acc_nb_missing_properties = zip(*np) - acc_nb_results = len(result_descr) - - nb_requested_properties = sum(acc_nb_requested_properties) - nb_missing_properties = sum(acc_nb_missing_properties) - - prefix = "demo_" - log_string(f"nb_{prefix}samples {n_epoch} {acc_nb_results}") - log_string( - f"property_{prefix}nb {n_epoch} requested {sum(acc_nb_requested_properties)} missing {sum(acc_nb_missing_properties)}" - ) - log_string( - f"property_{prefix}miss {n_epoch} {100*nb_missing_properties/nb_requested_properties:.02f}%" - ) - - img = picoclvr.descr2img(result_descr, height=self.height, width=self.width) - - if img.dim() == 5: - if img.size(1) == 1: - img = F.pad(img.squeeze(1), pad=(1, 1, 1, 1), value=64) - else: - img = torch.cat( - [ - torchvision.utils.make_grid(x, padding=1, pad_value=64)[None] - for x in img - ], - 0, - ) - - image_name = os.path.join(args.result_dir, f"picoclvr_result_{n_epoch:04d}.png") - torchvision.utils.save_image( - img / 255.0, image_name, nrow=nb_per_primer, padding=1, pad_value=0.0 - ) - log_string(f"wrote {image_name}") - - -###################################################################### - - -class TaskMNIST(Task): - def __init__(self, batch_size, device=torch.device("cpu")): - self.device = device - self.batch_size = batch_size - - def batches(self, split="train"): - assert split in {"train", "test"} - data_set = torchvision.datasets.MNIST( - root="./data", train=(split == "train"), download=True - ) - data_input = data_set.data.view(-1, 28 * 28).long() - if args.nb_train_samples is not None: - data_input = data_input[: args.nb_train_samples] - for batch in tqdm.tqdm( - data_input.split(self.batch_size), desc=f"epoch-{split}" - ): - yield batch - - def vocabulary_size(self): - return 256 - - def produce_results(self, n_epoch, model): - results = torch.empty(64, 28 * 28, device=self.device, dtype=torch.int64) - ar_mask = torch.full_like(results, 1) - masked_inplace_autoregression( - model, self.batch_size, results, ar_mask, device=self.device - ) - image_name = os.path.join(args.result_dir, f"mnist_result_{n_epoch:04d}.png") - torchvision.utils.save_image( - 1 - results.reshape(-1, 1, 28, 28) / 255.0, - image_name, - nrow=16, - pad_value=0.8, - ) - log_string(f"wrote {image_name}") - - -###################################################################### - -import maze - - -class TaskMaze(Task): - def map2seq(self, *m): - return torch.cat([x.flatten(1) for x in m], 1) - - def seq2map(self, s): - s = s.reshape(s.size(0), -1, self.height, self.width) - return (s[:, k] for k in range(s.size(1))) - - def __init__( - self, - nb_train_samples, - nb_test_samples, - batch_size, - height, - width, - nb_walls, - device=torch.device("cpu"), - ): - self.batch_size = batch_size - self.height = height - self.width = width - self.device = device - - train_mazes, train_paths, _ = maze.create_maze_data( - nb_train_samples, - height=height, - width=width, - nb_walls=nb_walls, - progress_bar=lambda x: tqdm.tqdm(x, dynamic_ncols=True, desc=f"data-train"), - ) - self.train_input = self.map2seq(train_mazes.to(device), train_paths.to(device)) - - test_mazes, test_paths, _ = maze.create_maze_data( - nb_test_samples, - height=height, - width=width, - nb_walls=nb_walls, - progress_bar=lambda x: tqdm.tqdm(x, dynamic_ncols=True, desc=f"data-test"), - ) - self.test_input = self.map2seq(test_mazes.to(device), test_paths.to(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 compute_error(self, model, split="train", nb_to_use=-1): - nb_total, nb_correct = 0, 0 - count = torch.zeros( - self.width * self.height, - self.width * self.height, - device=self.device, - dtype=torch.int64, - ) - for input in tqdm.tqdm( - task.batches(split, nb_to_use), - dynamic_ncols=True, - desc=f"test-mazes", - ): - result = input.clone() - ar_mask = result.new_zeros(result.size()) - ar_mask[:, self.height * self.width :] = 1 - result *= 1 - ar_mask - masked_inplace_autoregression( - model, - self.batch_size, - result, - ar_mask, - progress_bar_desc=None, - device=self.device, - ) - mazes, paths = self.seq2map(result) - path_correctness = maze.path_correctness(mazes, paths) - nb_correct += path_correctness.long().sum() - nb_total += mazes.size(0) - - optimal_path_lengths = ( - (input[:, self.height * self.width :] == maze.v_path).long().sum(1) - ) - predicted_path_lengths = ( - (result[:, self.height * self.width :] == maze.v_path).long().sum(1) - ) - optimal_path_lengths = optimal_path_lengths[path_correctness] - predicted_path_lengths = predicted_path_lengths[path_correctness] - count[optimal_path_lengths, predicted_path_lengths] += 1 - - if count.max() == 0: - count = None - else: - count = count[ - : count.sum(1).nonzero().max() + 1, : count.sum(0).nonzero().max() + 1 - ] - - return nb_total, nb_correct, count - - def produce_results(self, n_epoch, model): - with torch.autograd.no_grad(): - t = model.training - model.eval() - - train_nb_total, train_nb_correct, count = self.compute_error( - model, "train", nb_to_use=1000 - ) - log_string( - f"accuracy_train {n_epoch} nb_total {train_nb_total} nb_correct {train_nb_correct} accuracy {(100.0*train_nb_correct)/train_nb_total:.02f}%" - ) - - test_nb_total, test_nb_correct, count = self.compute_error( - model, "test", nb_to_use=1000 - ) - log_string( - 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}%" - ) - - if count is not None: - proportion_optimal = count.diagonal().sum().float() / count.sum() - log_string(f"proportion_optimal_test {proportion_optimal*100:.02f}%") - with open( - os.path.join(args.result_dir, f"maze_result_{n_epoch:04d}.txt"), "w" - ) as f: - for i in range(count.size(0)): - for j in range(count.size(1)): - eol = " " if j < count.size(1) - 1 else "\n" - f.write(f"{count[i,j]}{eol}") - - input = self.test_input[:48] - result = input.clone() - ar_mask = result.new_zeros(result.size()) - ar_mask[:, self.height * self.width :] = 1 - result *= 1 - ar_mask - masked_inplace_autoregression( - model, self.batch_size, result, ar_mask, device=self.device - ) - - mazes, paths = self.seq2map(input) - _, predicted_paths = self.seq2map(result) - - filename = os.path.join(args.result_dir, f"maze_result_{n_epoch:04d}.png") - maze.save_image( - filename, - mazes=mazes, - target_paths=paths, - predicted_paths=predicted_paths, - path_correct=maze.path_correctness(mazes, predicted_paths), - path_optimal=maze.path_optimality(paths, predicted_paths), - ) - log_string(f"wrote {filename}") - - model.train(t) - - -###################################################################### - - -import snake - - -class TaskSnake(Task): - def __init__( - self, - nb_train_samples, - nb_test_samples, - batch_size, - height, - width, - nb_colors, - length, - prompt_length, - device=torch.device("cpu"), - ): - self.batch_size = batch_size - self.height = height - self.width = width - self.device = device - self.prompt_length = prompt_length - - self.train_input, self.train_prior_visits, _, _ = snake.generate_sequences( - nb_train_samples, - height, - width, - nb_colors, - length, - prompt_length, - self.device, - ) - self.test_input, self.test_prior_visits, _, _ = snake.generate_sequences( - nb_test_samples, - height, - width, - nb_colors, - length, - prompt_length, - 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 produce_results(self, n_epoch, model): - with torch.autograd.no_grad(): - t = model.training - model.eval() - - def compute_nb_correct(input, prior_visits): - result = input.clone() - i = torch.arange(result.size(1), device=result.device)[None, :] - ar_mask = ( - torch.logical_and(i >= self.prompt_length * 2, i % 2 == 0) - .long() - .expand_as(result) - ) - result *= 1 - ar_mask - - # snake.solver(result,ar_mask) - - masked_inplace_autoregression( - model, self.batch_size, result, ar_mask, device=self.device - ) - - nb_total = ((prior_visits > 0) * ar_mask).sum() - - nb_correct = ( - (result == input).long() * (prior_visits > 0) * ar_mask - ).sum() - - # nb_total = result.size(0) - # nb_correct = ((result - input).abs().sum(1) == 0).sum() - - return nb_total, nb_correct - - # train_nb_total, train_nb_correct = compute_nb_correct( - # self.train_input, self.train_prior_visits - # ) - - # log_string( - # f"accuracy_train nb_total {train_nb_total} nb_correct {train_nb_correct} accuracy {(100.0*train_nb_correct)/train_nb_total:.02f}%" - # ) - - test_nb_total, test_nb_correct = compute_nb_correct( - self.test_input[:1000], self.test_prior_visits[:1000] - ) - - log_string( - 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}%" - ) - - model.train(t) - - -###################################################################### - - -import stack - - -class TaskStack(Task): - def __init__( - self, - nb_train_samples, - nb_test_samples, - batch_size, - nb_steps, - nb_stacks, - nb_digits, - fraction_values_for_train=None, - device=torch.device("cpu"), - ): - 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) - log_string(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): - with torch.autograd.no_grad(): - t = model.training - model.eval() - - 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, 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]) - - log_string( - 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)): - log_string( - 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, device=self.device - ) - for n in range(result.size(0)): - log_string( - f"test_after {stack.seq_to_str(result[n],nb_stacks=self.nb_stacks,nb_digits=self.nb_digits)}" - ) - ############################################################## - - model.train(t) - - -###################################################################### - - -import expr - - -class TaskExpr(Task): - def __init__( - self, - nb_train_samples, - nb_test_samples, - nb_variables, - sequence_length, - batch_size, - device=torch.device("cpu"), - ): - self.batch_size = batch_size - self.device = device - - train_sequences = expr.generate_sequences( - nb_train_samples, - nb_variables=nb_variables, - length=sequence_length, - # length=2 * sequence_length, - # randomize_length=True, - ) - test_sequences = expr.generate_sequences( - nb_test_samples, - nb_variables=nb_variables, - length=sequence_length, - ) - self.char2id = dict( - [ - (c, n) - for n, c in enumerate( - set("#" + "".join(train_sequences + test_sequences)) - ) - ] - ) - self.id2char = dict([(n, c) for c, n in self.char2id.items()]) - - self.filler, self.space = self.char2id["#"], self.char2id[" "] - - len_max = max([len(x) for x in train_sequences]) - self.train_input = torch.cat( - [ - torch.tensor( - [ - [self.char2id[c] for c in s + "#" * (len_max - len(s))] - for s in train_sequences - ] - ) - ], - 0, - ).to(device) - - len_max = max([len(x) for x in test_sequences]) - self.test_input = torch.cat( - [ - torch.tensor( - [ - [self.char2id[c] for c in s + "#" * (len_max - len(s))] - for s in test_sequences - ] - ) - ], - 0, - ).to(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 - ): - if split == "train": - last = (batch != self.filler).max(0).values.nonzero().max() + 1 - 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): - with torch.autograd.no_grad(): - t = model.training - model.eval() - - def compute_nb_correct(input): - result = input.clone() - ar_mask = (result == self.space).long().cumsum(dim=1).clamp(max=1) - result = (1 - ar_mask) * result + ar_mask * self.filler - masked_inplace_autoregression( - model, self.batch_size, result, ar_mask, 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]) - - for i, r in zip(values_input, values_result): - for n, vi in i.items(): - vr = r.get(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[:1000]) - - log_string( - 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)): - log_string( - f"error_value {n_epoch} delta {d} {test_nb_delta[d]} {test_nb_delta[d]*100/nb_total:.02f}%" - ) - log_string( - f"error_value {n_epoch} missed {test_nb_missed} {test_nb_missed*100/nb_total:.02f}%" - ) - - ############################################################## - # Log a few generated sequences - input = self.test_input[:10] - result = input.clone() - ar_mask = (result == self.space).long().cumsum(dim=1).clamp(max=1) - result = (1 - ar_mask) * result + ar_mask * self.filler - for n in range(result.size(0)): - log_string(f"test_before {self.seq2str(result[n])}") - masked_inplace_autoregression( - model, self.batch_size, result, ar_mask, 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 "" - log_string(f"test_after {self.seq2str(result[n])} {comment}") - log_string(f"correct {self.seq2str(correct[n])}") - ############################################################## - - model.train(t) - ###################################################################### @@ -1204,26 +241,29 @@ picoclvr_pruner_eval = ( ###################################################################### if args.task == "picoclvr": - task = TaskPicoCLVR( + task = tasks.PicoCLVR( nb_train_samples=args.nb_train_samples, nb_test_samples=args.nb_test_samples, batch_size=args.batch_size, height=args.picoclvr_height, width=args.picoclvr_width, nb_colors=args.picoclvr_nb_colors, + logger=log_string, device=device, pruner_train=picoclvr_pruner_train, pruner_eval=picoclvr_pruner_eval, ) elif args.task == "mnist": - task = TaskMNIST( + task = tasks.MNIST( + nb_train_samples=args.nb_train_samples, + nb_test_samples=args.nb_test_samples, batch_size=args.batch_size, device=device, ) elif args.task == "maze": - task = TaskMaze( + task = tasks.Maze( nb_train_samples=args.nb_train_samples, nb_test_samples=args.nb_test_samples, batch_size=args.batch_size, @@ -1234,7 +274,7 @@ elif args.task == "maze": ) elif args.task == "snake": - task = TaskSnake( + task = tasks.Snake( nb_train_samples=args.nb_train_samples, nb_test_samples=args.nb_test_samples, batch_size=args.batch_size, @@ -1247,10 +287,11 @@ elif args.task == "snake": ) elif args.task == "stack": - task = TaskStack( + task = tasks.Stack( nb_train_samples=args.nb_train_samples, nb_test_samples=args.nb_test_samples, batch_size=args.batch_size, + logger=log_string, nb_steps=args.stack_nb_steps, nb_stacks=args.stack_nb_stacks, nb_digits=args.stack_nb_digits, @@ -1259,7 +300,7 @@ elif args.task == "stack": ) elif args.task == "expr": - task = TaskExpr( + task = tasks.Expr( nb_train_samples=args.nb_train_samples, nb_test_samples=args.nb_test_samples, nb_variables=args.expr_nb_variables, @@ -1327,6 +368,8 @@ else: nb_epochs = args.nb_epochs if args.nb_epochs > 0 else nb_epochs_default +# Compute the entropy of the training tokens + token_count = 0 for input in task.batches(split="train"): token_count += F.one_hot(input, num_classes=task.vocabulary_size()).sum((0, 1)) @@ -1336,6 +379,26 @@ train_set_perplexity = math.exp(entropy) ############################## +# A bit of paranoia never hurts + +train_examples = {} + +for input in task.batches(split="train"): + assert input.dim()==2 and input.dtype==torch.int64 + for x in input: + train_examples[x.sum().item()]=x + +for input in task.batches(split="test"): + assert input.dim()==2 and input.dtype==torch.int64 + for x in input: + y = train_examples.get(x.sum().item()) + if y is not None: + assert x.size() != y.size() or (x-y).abs().sum() > 0 + +del train_examples + +############################## + if args.learning_rate_schedule == "cos": learning_rate_schedule = {} for n_epoch in range(args.nb_epochs): @@ -1363,7 +426,13 @@ log_string(f"learning_rate_schedule {learning_rate_schedule}") nb_samples_seen = 0 if nb_epochs_finished >= nb_epochs: - task.produce_results(nb_epochs_finished, model) + task.produce_results( + nb_epochs_finished, + model, + args.result_dir, + log_string, + args.deterministic_synthesis, + ) for n_epoch in range(nb_epochs_finished, nb_epochs): learning_rate = learning_rate_schedule[n_epoch] @@ -1415,7 +484,9 @@ for n_epoch in range(nb_epochs_finished, nb_epochs): f"perplexity {n_epoch} train_set {train_set_perplexity} train_prediction {train_perplexity} test_prediction {test_perplexity}" ) - task.produce_results(n_epoch, model) + task.produce_results( + n_epoch, model, args.result_dir, log_string, args.deterministic_synthesis + ) checkpoint = { "nb_epochs_finished": n_epoch + 1, diff --git a/maze.py b/maze.py index f6a852e..c2774dd 100755 --- a/maze.py +++ b/maze.py @@ -13,6 +13,8 @@ v_empty, v_wall, v_start, v_goal, v_path = 0, 1, 2, 3, 4 def create_maze(h=11, w=17, nb_walls=8): + assert h % 2 == 1 and w % 2 == 1 + a, k = 0, 0 while k < nb_walls: diff --git a/mygpt.py b/mygpt.py index 6a12a5a..c93010a 100755 --- a/mygpt.py +++ b/mygpt.py @@ -258,6 +258,30 @@ class MyGPT(nn.Module): bs = self.readout(bs) return bs + # ar_mask is a tensor with 0s and 1s, of same shape as input, with + # 1s where tokens should be generated. The others are kept + # unchanged. + + def masked_inplace_autoregression( + self, input, ar_mask, forbidden_tokens=None, deterministic_synthesis=False + ): + to_generate = (ar_mask.sum(0) > 0).nonzero() + if to_generate.min() > 0: + self( + BracketedSequence(input, 0, to_generate.min()) + ) # Needed to initialize the model's cache + for s in range(to_generate.min(), to_generate.max() + 1): + output = self(BracketedSequence(input, s, 1)).x + logits = output[:, s] + if forbidden_tokens is not None: + logits = logits.masked_fill(forbidden_tokens, float("-inf")) + if deterministic_synthesis: + t_next = logits.argmax(1) + else: + dist = torch.distributions.categorical.Categorical(logits=logits) + t_next = dist.sample() + input[:, s] = ar_mask[:, s] * t_next + (1 - ar_mask[:, s]) * input[:, s] + ###################################################################### @@ -286,8 +310,6 @@ if __name__ == "__main__": z = model(BracketedSequence(x, s, 1)) y2[:, s] = z.x[:, s] - # print(y1.max(dim = 2).values) - # print(y2.max(dim = 2).values) print(f"error={((y1 - y2).norm() / (y1.norm() + y2.norm())).item()}") ###################################################################### diff --git a/tasks.py b/tasks.py new file mode 100755 index 0000000..0f3aaec --- /dev/null +++ b/tasks.py @@ -0,0 +1,1029 @@ +#!/usr/bin/env python + +import math, os, tqdm + +import torch, torchvision + +from torch import nn +from torch.nn import functional as F + +###################################################################### + + +def masked_inplace_autoregression( + model, + batch_size, + input, + ar_mask, + deterministic_synthesis, + forbidden_tokens=None, + progress_bar_desc="autoregression", + device=torch.device("cpu"), +): + batches = zip(input.split(batch_size), ar_mask.split(batch_size)) + + if progress_bar_desc is not None: + batches = tqdm.tqdm( + batches, + dynamic_ncols=True, + desc=progress_bar_desc, + total=input.size(0) // batch_size, + ) + + for input, ar_mask in batches: + model.masked_inplace_autoregression( + input, ar_mask, forbidden_tokens, deterministic_synthesis + ) + + +class Task: + def batches(self, split="train"): + pass + + def vocabulary_size(self): + pass + + def produce_results( + self, n_epoch, model, result_dir, logger, deterministic_synthesis + ): + pass + + +###################################################################### + +import picoclvr + + +class PicoCLVR(Task): + # Make a tensor from a list of strings + def tensorize(self, descr): + token_descr = [s.strip().split(" ") for s in descr] + l = max([len(s) for s in token_descr]) + token_descr = [s + [""] * (l - len(s)) for s in token_descr] + id_descr = [[self.token2id[u] for u in s] for s in token_descr] + return torch.tensor(id_descr, device=self.device) + + # Make a list of strings from a tensor + def detensorize(self, x): + return [" ".join([self.id2token[t.item()] for t in r]) for r in x] + + # trim all the tensors in the tuple z to remove as much token from + # left and right in the first tensor. If z is a tuple, all its + # elements are trimed according to the triming for the first + def trim(self, z, token=""): + n = self.token2id[token] + if type(z) == tuple: + x = z[0] + i = (1 - (F.pad(x, (1, 1), value=n) == n).min(0).values.long()).cumsum(0) + a, b = (i == 0).nonzero().max(), (i == i.max()).nonzero().min() + return tuple([t[:, a:b] for t in z]) + else: + i = (1 - (F.pad(z, (1, 1), value=n) == n).min(0).values.long()).cumsum(0) + a, b = (i == 0).nonzero().max(), (i == i.max()).nonzero().min() + return z[:, a:b] + + ###################### + # Not the cleanest part of the code + + # Extract the last image of each sequence, from the last + # included, and set to all the tokens from the beginning of + # that image to the end + def excise_last_image(self, input): + t_img, t_nul = self.token2id[""], self.token2id[""] + nb_img_tokens = self.height * self.width + 1 + + input = input.clone() + t = (input == t_img).long() + tail_masks = (t.cumsum(dim=1) == t.sum(dim=1, keepdim=True)).long() + i = (t * tail_masks).nonzero(as_tuple=True) + j = ( + i[0][:, None], + i[1][:, None] + torch.arange(nb_img_tokens, device=input.device)[None, :], + ) + images = self.trim(input[j]) + input[j] = t_nul + loss_masks = 1 - tail_masks + input, loss_masks = self.trim((input, loss_masks)) + return input, loss_masks, images + + def add_true_image(self, input, images, loss_masks): + t_nul = self.token2id[""] + nb_img_tokens = self.height * self.width + 1 + input = F.pad(input, (0, nb_img_tokens), value=t_nul) + loss_masks = F.pad(loss_masks, (0, nb_img_tokens), value=0) + t = (input == t_nul).long() + i = (t.cumsum(dim=1) == 1).nonzero(as_tuple=True) + j = ( + i[0][:, None], + i[1][:, None] + torch.arange(nb_img_tokens, device=input.device)[None, :], + ) + input[j] = images + loss_masks[j] = 1 + input, loss_masks = self.trim((input, loss_masks)) + return input, loss_masks + + def add_generated_image(self, input, loss_masks, model, deterministic_synthesis): + t_img, t_nul = self.token2id[""], self.token2id[""] + nb_img_tokens = self.height * self.width + 1 + + input = F.pad(input, (0, nb_img_tokens), value=t_nul) + loss_masks = F.pad(loss_masks, (0, nb_img_tokens), value=0) + t = (input == t_nul).long() + i = (t.cumsum(dim=1) == 1).nonzero(as_tuple=True) + input[i] = t_img + + j = ( + i[0][:, None], + i[1][:, None] + + 1 + + torch.arange(nb_img_tokens - 1, device=input.device)[None, :], + ) + ar_masks = input.new_zeros(input.size(), dtype=torch.int64) + ar_masks[j] = 1 + forbidden_tokens = ( + torch.arange(self.vocabulary_size(), device=input.device) == t_nul + ) + with torch.autograd.no_grad(): + t = model.training + model.eval() + masked_inplace_autoregression( + model, + self.batch_size, + input, + ar_masks, + deterministic_synthesis, + forbidden_tokens, + progress_bar_desc=None, + device=self.device, + ) + model.train(t) + + input, loss_masks = self.trim((input, loss_masks)) + + return input, loss_masks + + ###################### + + def __init__( + self, + nb_train_samples, + nb_test_samples, + batch_size, + height, + width, + nb_colors=5, + logger=None, + device=torch.device("cpu"), + pruner_train=None, + pruner_eval=None, + ): + def generate_descr(nb, cache_suffix, pruner): + return picoclvr.generate( + nb, + height=self.height, + width=self.width, + nb_colors=nb_colors, + pruner=pruner, + ) + + self.height = height + self.width = width + self.batch_size = batch_size + self.device = device + self.pruner_train = pruner_train + self.pruner_eval = pruner_eval + + param = { + "nb_train_samples": nb_train_samples, + "nb_test_samples": nb_test_samples, + "height": height, + "width": width, + "nb_colors": nb_colors, + "batch_size": batch_size, + "rng_state": list(torch.get_rng_state()), + } + + if logger is not None: + logger( + f"generating {nb_train_samples+nb_test_samples} samples (can take some time)" + ) + + self.train_descr = generate_descr( + nb_train_samples, "train", pruner=self.pruner_train + ) + self.test_descr = generate_descr(nb_test_samples, "test", pruner=None) + + # Build the tokenizer + tokens = {"", ""} + for d in [self.train_descr, self.test_descr]: + for s in d: + for t in s.strip().split(" "): + tokens.add(t) + # make this set a sorted list to get the same tensors given + # the same descr + tokens = list(tokens) + tokens.sort() + self.token2id = dict([(t, n) for n, t in enumerate(tokens)]) + self.id2token = dict([(n, t) for n, t in enumerate(tokens)]) + + # Tokenize the train and test sets + self.train_input = self.tensorize(self.train_descr) + self.test_input = self.tensorize(self.test_descr) + + def batches(self, split="train"): + assert split in {"train", "test"} + input = self.train_input if split == "train" else self.test_input + for batch in tqdm.tqdm( + input.split(self.batch_size), dynamic_ncols=True, desc=f"epoch-{split}" + ): + yield self.trim(batch) + + def vocabulary_size(self): + return len(self.token2id) + + def compute_missing_properties( + self, n_epoch, model, logger, deterministic_synthesis, pruner=None + ): + acc_nb_requested_properties = [] + acc_nb_missing_properties = [] + acc_nb_results = 0 + + for input in tqdm.tqdm( + self.test_input.split(self.batch_size), + dynamic_ncols=True, + desc=f"test-properties", + ): + tape, loss_masks, _ = self.excise_last_image(input) + tape, loss_masks = self.add_generated_image( + tape, loss_masks, model, deterministic_synthesis + ) + result_descr = self.detensorize(tape) + np = picoclvr.nb_properties( + result_descr, + height=self.height, + width=self.width, + pruner=pruner, + ) + nb_requested_properties, _, nb_missing_properties = zip(*np) + acc_nb_requested_properties += nb_requested_properties + acc_nb_missing_properties += nb_missing_properties + acc_nb_results += len(result_descr) + + nb_requested_properties = sum(acc_nb_requested_properties) + nb_missing_properties = sum(acc_nb_missing_properties) + + prefix = "" if pruner is None else "pruned_" + logger(f"nb_{prefix}samples {n_epoch} {acc_nb_results}") + logger( + f"property_{prefix}nb {n_epoch} requested {sum(acc_nb_requested_properties)} missing {sum(acc_nb_missing_properties)}" + ) + logger( + f"property_{prefix}miss {n_epoch} {100*nb_missing_properties/nb_requested_properties:.02f}%" + ) + + ###################################################################### + + def produce_results( + self, n_epoch, model, result_dir, logger, deterministic_synthesis + ): + self.compute_missing_properties(n_epoch, model, logger, deterministic_synthesis) + + if self.pruner_eval is not None: + self.compute_missing_properties(n_epoch, model, self.pruner_eval) + + nb_tokens_to_generate = self.height * self.width + 3 + result_descr = [] + nb_per_primer = 8 + primer = [] + + for primer_descr in [ + "red above green green top blue right of red", + "there is red there is yellow there is blue", + "red below yellow yellow below green green below blue red right yellow left green right blue left", + "green bottom yellow bottom green left of blue yellow right of blue blue top", + ]: + primer += [primer_descr] * nb_per_primer + + tape = self.tensorize(primer) + loss_masks = 1 - (tape == self.token2id[""]).long() + tape, loss_masks = self.add_generated_image( + tape, loss_masks, model, deterministic_synthesis + ) + result_descr = self.detensorize(tape) + + np = picoclvr.nb_properties(result_descr, height=self.height, width=self.width) + + acc_nb_requested_properties, _, acc_nb_missing_properties = zip(*np) + acc_nb_results = len(result_descr) + + nb_requested_properties = sum(acc_nb_requested_properties) + nb_missing_properties = sum(acc_nb_missing_properties) + + prefix = "demo_" + logger(f"nb_{prefix}samples {n_epoch} {acc_nb_results}") + logger( + f"property_{prefix}nb {n_epoch} requested {sum(acc_nb_requested_properties)} missing {sum(acc_nb_missing_properties)}" + ) + logger( + f"property_{prefix}miss {n_epoch} {100*nb_missing_properties/nb_requested_properties:.02f}%" + ) + + img = picoclvr.descr2img(result_descr, height=self.height, width=self.width) + + if img.dim() == 5: + if img.size(1) == 1: + img = F.pad(img.squeeze(1), pad=(1, 1, 1, 1), value=64) + else: + img = torch.cat( + [ + torchvision.utils.make_grid(x, padding=1, pad_value=64)[None] + for x in img + ], + 0, + ) + + image_name = os.path.join(result_dir, f"picoclvr_result_{n_epoch:04d}.png") + torchvision.utils.save_image( + img / 255.0, image_name, nrow=nb_per_primer, padding=1, pad_value=0.0 + ) + logger(f"wrote {image_name}") + + +###################################################################### + + +class MNIST(Task): + def __init__( + self, nb_train_samples, nb_test_samples, batch_size, device=torch.device("cpu") + ): + self.nb_train_samples = (nb_train_samples,) + self.nb_test_samples = (nb_test_samples,) + self.batch_size = batch_size + self.device = device + data_set = torchvision.datasets.MNIST(root="./data", train=True, download=True) + self.train_input = data_set.data[:nb_train_samples].view(-1, 28 * 28).long() + data_set = torchvision.datasets.MNIST(root="./data", train=False, download=True) + self.test_input = data_set.data[:nb_test_samples].view(-1, 28 * 28).long() + + 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 256 + + def produce_results( + self, n_epoch, model, result_dir, logger, deterministic_synthesis + ): + results = torch.empty(64, 28 * 28, device=self.device, dtype=torch.int64) + ar_mask = torch.full_like(results, 1) + masked_inplace_autoregression( + model, + self.batch_size, + results, + ar_mask, + deterministic_synthesis, + device=self.device, + ) + image_name = os.path.join(result_dir, f"mnist_result_{n_epoch:04d}.png") + torchvision.utils.save_image( + 1 - results.reshape(-1, 1, 28, 28) / 255.0, + image_name, + nrow=16, + pad_value=0.8, + ) + logger(f"wrote {image_name}") + + +###################################################################### + +import maze + + +class Maze(Task): + def map2seq(self, *m): + return torch.cat([x.flatten(1) for x in m], 1) + + def seq2map(self, s): + s = s.reshape(s.size(0), -1, self.height, self.width) + return (s[:, k] for k in range(s.size(1))) + + def __init__( + self, + nb_train_samples, + nb_test_samples, + batch_size, + height, + width, + nb_walls, + device=torch.device("cpu"), + ): + self.batch_size = batch_size + self.height = height + self.width = width + self.device = device + + train_mazes, train_paths, _ = maze.create_maze_data( + nb_train_samples, + height=height, + width=width, + nb_walls=nb_walls, + progress_bar=lambda x: tqdm.tqdm(x, dynamic_ncols=True, desc=f"data-train"), + ) + self.train_input = self.map2seq(train_mazes.to(device), train_paths.to(device)) + + test_mazes, test_paths, _ = maze.create_maze_data( + nb_test_samples, + height=height, + width=width, + nb_walls=nb_walls, + progress_bar=lambda x: tqdm.tqdm(x, dynamic_ncols=True, desc=f"data-test"), + ) + self.test_input = self.map2seq(test_mazes.to(device), test_paths.to(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 compute_error( + self, model, split="train", nb_to_use=-1, deterministic_synthesis=False + ): + nb_total, nb_correct = 0, 0 + count = torch.zeros( + self.width * self.height, + self.width * self.height, + device=self.device, + dtype=torch.int64, + ) + + for input in self.batches(split, nb_to_use): + result = input.clone() + ar_mask = result.new_zeros(result.size()) + ar_mask[:, self.height * self.width :] = 1 + result *= 1 - ar_mask + masked_inplace_autoregression( + model, + self.batch_size, + result, + ar_mask, + deterministic_synthesis, + progress_bar_desc=None, + device=self.device, + ) + mazes, paths = self.seq2map(result) + path_correctness = maze.path_correctness(mazes, paths) + nb_correct += path_correctness.long().sum() + nb_total += mazes.size(0) + + optimal_path_lengths = ( + (input[:, self.height * self.width :] == maze.v_path).long().sum(1) + ) + predicted_path_lengths = ( + (result[:, self.height * self.width :] == maze.v_path).long().sum(1) + ) + optimal_path_lengths = optimal_path_lengths[path_correctness] + predicted_path_lengths = predicted_path_lengths[path_correctness] + count[optimal_path_lengths, predicted_path_lengths] += 1 + + if count.max() == 0: + count = None + else: + count = count[ + : count.sum(1).nonzero().max() + 1, : count.sum(0).nonzero().max() + 1 + ] + + return nb_total, nb_correct, count + + def produce_results( + self, n_epoch, model, result_dir, logger, deterministic_synthesis + ): + with torch.autograd.no_grad(): + t = model.training + model.eval() + + train_nb_total, train_nb_correct, count = self.compute_error( + model, + "train", + nb_to_use=1000, + deterministic_synthesis=deterministic_synthesis, + ) + logger( + f"accuracy_train {n_epoch} nb_total {train_nb_total} nb_correct {train_nb_correct} accuracy {(100.0*train_nb_correct)/train_nb_total:.02f}%" + ) + + test_nb_total, test_nb_correct, count = self.compute_error( + model, + "test", + nb_to_use=1000, + deterministic_synthesis=deterministic_synthesis, + ) + 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}%" + ) + + if count is not None: + proportion_optimal = count.diagonal().sum().float() / count.sum() + logger(f"proportion_optimal_test {proportion_optimal*100:.02f}%") + with open( + os.path.join(result_dir, f"maze_result_{n_epoch:04d}.txt"), "w" + ) as f: + for i in range(count.size(0)): + for j in range(count.size(1)): + eol = " " if j < count.size(1) - 1 else "\n" + f.write(f"{count[i,j]}{eol}") + + input = self.test_input[:48] + result = input.clone() + ar_mask = result.new_zeros(result.size()) + ar_mask[:, self.height * self.width :] = 1 + result *= 1 - ar_mask + masked_inplace_autoregression( + model, + self.batch_size, + result, + ar_mask, + deterministic_synthesis, + device=self.device, + ) + + mazes, paths = self.seq2map(input) + _, predicted_paths = self.seq2map(result) + + filename = os.path.join(result_dir, f"maze_result_{n_epoch:04d}.png") + maze.save_image( + filename, + mazes=mazes, + target_paths=paths, + predicted_paths=predicted_paths, + path_correct=maze.path_correctness(mazes, predicted_paths), + path_optimal=maze.path_optimality(paths, predicted_paths), + ) + logger(f"wrote {filename}") + + model.train(t) + + +###################################################################### + + +import snake + + +class Snake(Task): + def __init__( + self, + nb_train_samples, + nb_test_samples, + batch_size, + height, + width, + nb_colors, + length, + prompt_length, + device=torch.device("cpu"), + ): + self.batch_size = batch_size + self.height = height + self.width = width + self.device = device + self.prompt_length = prompt_length + + self.train_input, self.train_prior_visits, _, _ = snake.generate_sequences( + nb_train_samples, + height, + width, + nb_colors, + length, + prompt_length, + self.device, + ) + self.test_input, self.test_prior_visits, _, _ = snake.generate_sequences( + nb_test_samples, + height, + width, + nb_colors, + length, + prompt_length, + 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 produce_results( + self, n_epoch, model, result_dir, logger, deterministic_synthesis + ): + with torch.autograd.no_grad(): + t = model.training + model.eval() + + def compute_nb_correct(input, prior_visits): + result = input.clone() + i = torch.arange(result.size(1), device=result.device)[None, :] + ar_mask = ( + torch.logical_and(i >= self.prompt_length * 2, i % 2 == 0) + .long() + .expand_as(result) + ) + result *= 1 - ar_mask + + # snake.solver(result,ar_mask) + + masked_inplace_autoregression( + model, + self.batch_size, + result, + ar_mask, + deterministic_synthesis, + device=self.device, + ) + + nb_total = ((prior_visits > 0) * ar_mask).sum() + + nb_correct = ( + (result == input).long() * (prior_visits > 0) * ar_mask + ).sum() + + # nb_total = result.size(0) + # nb_correct = ((result - input).abs().sum(1) == 0).sum() + + return nb_total, nb_correct + + # train_nb_total, train_nb_correct = compute_nb_correct( + # self.train_input, self.train_prior_visits + # ) + + # logger( + # f"accuracy_train nb_total {train_nb_total} nb_correct {train_nb_correct} accuracy {(100.0*train_nb_correct)/train_nb_total:.02f}%" + # ) + + test_nb_total, test_nb_correct = compute_nb_correct( + self.test_input[:1000], self.test_prior_visits[: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}%" + ) + + model.train(t) + + +###################################################################### + + +import stack + + +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"), + ): + 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 + ): + with torch.autograd.no_grad(): + t = model.training + model.eval() + + 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)}" + ) + ############################################################## + + model.train(t) + + +###################################################################### + + +import expr + + +class Expr(Task): + def __init__( + self, + nb_train_samples, + nb_test_samples, + nb_variables, + sequence_length, + batch_size, + device=torch.device("cpu"), + ): + self.batch_size = batch_size + self.device = device + + train_sequences = expr.generate_sequences( + nb_train_samples, + nb_variables=nb_variables, + length=sequence_length, + # length=2 * sequence_length, + # randomize_length=True, + ) + test_sequences = expr.generate_sequences( + nb_test_samples, + nb_variables=nb_variables, + length=sequence_length, + ) + self.char2id = dict( + [ + (c, n) + for n, c in enumerate( + set("#" + "".join(train_sequences + test_sequences)) + ) + ] + ) + self.id2char = dict([(n, c) for c, n in self.char2id.items()]) + + self.filler, self.space = self.char2id["#"], self.char2id[" "] + + len_max = max([len(x) for x in train_sequences]) + self.train_input = torch.cat( + [ + torch.tensor( + [ + [self.char2id[c] for c in s + "#" * (len_max - len(s))] + for s in train_sequences + ] + ) + ], + 0, + ).to(device) + + len_max = max([len(x) for x in test_sequences]) + self.test_input = torch.cat( + [ + torch.tensor( + [ + [self.char2id[c] for c in s + "#" * (len_max - len(s))] + for s in test_sequences + ] + ) + ], + 0, + ).to(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 + ): + if split == "train": + 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 + ): + with torch.autograd.no_grad(): + t = model.training + model.eval() + + def compute_nb_correct(input): + result = input.clone() + ar_mask = (result == self.space).long().cumsum(dim=1).clamp(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]) + + for i, r in zip(values_input, values_result): + for n, vi in i.items(): + vr = r.get(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[: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}%" + ) + + 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 + input = self.test_input[:10] + result = input.clone() + ar_mask = (result == self.space).long().cumsum(dim=1).clamp(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"correct {self.seq2str(correct[n])}") + ############################################################## + + model.train(t) + + +######################################################################