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def main(): parser = argparse.ArgumentParser(description='Export the Napolab benchmark datasets as CSV') parser.add_argument('--output_path', type=str, default=os.getcwd(), help='The path where datasets will be saved. Default is the current directory.') parser.add_argument('--include_translations', type=b...
class DatasetLoader(): '\n A class responsible for loading the datasets of the Napolab benchmark and performing various preprocessing operations.\n\n Attributes:\n DATASET_NAMES (list): List of supported dataset names.\n SELECTED_COLUMNS (dict): Columns to select from datasets.\n RENAME...
def load_napolab_benchmark(include_translations=True): " \n Load the Napolab benchmark datasets, and optionally their translations.\n\n Args:\n include_translations (bool): Determines if translated versions of the datasets should be \n loaded. Defaults to True.\n\n Returns:\n dict: A...
def export_napolab_benchmark(output_path, include_translations=True): '\n Load the Napolab benchmark datasets using load_napolab_benchmark and save each split of \n each dataset as CSV in a structured hierarchy of folders and subfolders.\n \n Args:\n output_path (str): The path where datasets w...
def test_validate_parameters_invalid_dataset_name(): with pytest.raises(ValueError): loader.validate_parameters('invalid_dataset_name', 'portuguese', 'full')
def test_validate_parameters_invalid_language(): with pytest.raises(ValueError): loader.validate_parameters('assin', 'invalid_language', 'full')
def test_validate_parameters_invalid_variant(): with pytest.raises(ValueError): loader.validate_parameters('assin', 'portuguese', 'invalid_variant')
def test_get_dataset_name_non_assin(): assert (loader.get_dataset_name('rerelem', 'english') == 'ruanchaves/rerelem_por_Latn_to_eng_Latn')
def test_get_dataset_name_assin(): assert (loader.get_dataset_name('assin', 'portuguese') == 'assin')
def test_get_dataset_name_assin_other_language(): assert (loader.get_dataset_name('assin', 'english') == 'ruanchaves/assin_por_Latn_to_eng_Latn')
def load_config(): return yaml.load(open((Path(__file__).parent / 'config.yml'), 'r'), Loader=yaml.FullLoader)
def check_os_environ(key, use): if (key not in os.environ): raise ValueError(f'{key} is not defined in the os variables, it is required for {use}.')
def dataset_dir(): check_os_environ('DATASET', 'data loading') return os.environ['DATASET']
class ADE20KSegmentation(BaseMMSeg): def __init__(self, image_size, crop_size, split, **kwargs): super().__init__(image_size, crop_size, split, ADE20K_CONFIG_PATH, **kwargs) (self.names, self.colors) = utils.dataset_cat_description(ADE20K_CATS_PATH) self.n_cls = 150 self.ignore_la...
class BaseMMSeg(Dataset): def __init__(self, image_size, crop_size, split, config_path, normalization, **kwargs): super().__init__() self.image_size = image_size self.crop_size = crop_size self.split = split self.normalization = STATS[normalization].copy() self.ign...
class CityscapesDataset(BaseMMSeg): def __init__(self, image_size, crop_size, split, **kwargs): super().__init__(image_size, crop_size, split, CITYSCAPES_CONFIG_PATH, **kwargs) (self.names, self.colors) = utils.dataset_cat_description(CITYSCAPES_CATS_PATH) self.n_cls = 19 self.ign...
def create_dataset(dataset_kwargs): dataset_kwargs = dataset_kwargs.copy() dataset_name = dataset_kwargs.pop('dataset') batch_size = dataset_kwargs.pop('batch_size') num_workers = dataset_kwargs.pop('num_workers') split = dataset_kwargs.pop('split') if (dataset_name == 'imagenet'): dat...
class ImagenetDataset(Dataset): def __init__(self, root_dir, image_size=224, crop_size=224, split='train', normalization='vit'): super().__init__() assert (image_size[0] == image_size[1]) self.path = (Path(root_dir) / split) self.crop_size = crop_size self.image_size = ima...
class Loader(DataLoader): def __init__(self, dataset, batch_size, num_workers, distributed, split): if distributed: sampler = DistributedSampler(dataset, shuffle=True) super().__init__(dataset, batch_size=batch_size, shuffle=False, num_workers=num_workers, pin_memory=True, sampler...
class PascalContextDataset(BaseMMSeg): def __init__(self, image_size, crop_size, split, **kwargs): super().__init__(image_size, crop_size, split, PASCAL_CONTEXT_CONFIG_PATH, **kwargs) (self.names, self.colors) = utils.dataset_cat_description(PASCAL_CONTEXT_CATS_PATH) self.n_cls = 60 ...
def train_one_epoch(model, data_loader, optimizer, lr_scheduler, epoch, amp_autocast, loss_scaler): criterion = torch.nn.CrossEntropyLoss(ignore_index=IGNORE_LABEL) logger = MetricLogger(delimiter=' ') header = f'Epoch: [{epoch}]' print_freq = 100 model.train() data_loader.set_epoch(epoch) ...
@torch.no_grad() def evaluate(model, data_loader, val_seg_gt, window_size, window_stride, amp_autocast): model_without_ddp = model if hasattr(model, 'module'): model_without_ddp = model.module logger = MetricLogger(delimiter=' ') header = 'Eval:' print_freq = 50 val_seg_pred = {} ...
def compute_labels(model, batch): im = batch['im'] target = batch['target'] with torch.no_grad(): with torch.cuda.amp.autocast(): output = model.forward(im) (acc1, acc5) = accuracy(output, target, topk=(1, 5)) return (acc1.item(), acc5.item())
def eval_dataset(model, dataset_kwargs): db = create_dataset(dataset_kwargs) print_freq = 20 header = '' logger = MetricLogger(delimiter=' ') for batch in logger.log_every(db, print_freq, header): for (k, v) in batch.items(): batch[k] = v.to(ptu.device) (acc1, acc5) = ...
@click.command() @click.argument('backbone', type=str) @click.option('--imagenet-dir', type=str) @click.option('-bs', '--batch-size', default=32, type=int) @click.option('-nw', '--num-workers', default=10, type=int) @click.option('-gpu', '--gpu/--no-gpu', default=True, is_flag=True) def main(backbone, imagenet_dir, b...
def blend_im(im, seg, alpha=0.5): pil_im = Image.fromarray(im) pil_seg = Image.fromarray(seg) im_blend = Image.blend(pil_im, pil_seg, alpha).convert('RGB') return np.asarray(im_blend)
def save_im(save_dir, save_name, im, seg_pred, seg_gt, colors, blend, normalization): seg_rgb = seg_to_rgb(seg_gt[None], colors) pred_rgb = seg_to_rgb(seg_pred[None], colors) im_unnorm = rgb_denormalize(im, normalization) save_dir = Path(save_dir) im_uint = im_unnorm.permute(0, 2, 3, 1).cpu().nump...
def process_batch(model, batch, window_size, window_stride, window_batch_size): ims = batch['im'] ims_metas = batch['im_metas'] ori_shape = ims_metas[0]['ori_shape'] ori_shape = (ori_shape[0].item(), ori_shape[1].item()) filename = batch['im_metas'][0]['ori_filename'][0] model_without_ddp = mo...
def eval_dataset(model, multiscale, model_dir, blend, window_size, window_stride, window_batch_size, save_images, frac_dataset, dataset_kwargs): db = create_dataset(dataset_kwargs) normalization = db.dataset.normalization dataset_name = dataset_kwargs['dataset'] im_size = dataset_kwargs['image_size'] ...
@click.command() @click.argument('model_path', type=str) @click.argument('dataset_name', type=str) @click.option('--im-size', default=None, type=int) @click.option('--multiscale/--singlescale', default=False, is_flag=True) @click.option('--blend/--no-blend', default=True, is_flag=True) @click.option('--window-size', ...
@click.command() @click.option('--model-path', type=str) @click.option('--input-dir', '-i', type=str, help='folder with input images') @click.option('--output-dir', '-o', type=str, help='folder with output images') @click.option('--gpu/--cpu', default=True, is_flag=True) def main(model_path, input_dir, output_dir, gp...
def accuracy(output, target, topk=(1,)): '\n https://github.com/pytorch/examples/blob/master/imagenet/main.py\n Computes the accuracy over the k top predictions for the specified values of k\n ' with torch.no_grad(): maxk = max(topk) batch_size = target.size(0) (_, pred) = out...
def gather_data(seg_pred, tmp_dir=None): '\n distributed data gathering\n prediction and ground truth are stored in a common tmp directory\n and loaded on the master node to compute metrics\n ' if (tmp_dir is None): tmpprefix = os.path.expandvars('$DATASET/temp') else: tmpprefi...
def compute_metrics(seg_pred, seg_gt, n_cls, ignore_index=None, ret_cat_iou=False, tmp_dir=None, distributed=False): ret_metrics_mean = torch.zeros(3, dtype=float, device=ptu.device) if (ptu.dist_rank == 0): list_seg_pred = [] list_seg_gt = [] keys = sorted(seg_pred.keys()) for...
class FeedForward(nn.Module): def __init__(self, dim, hidden_dim, dropout, out_dim=None): super().__init__() self.fc1 = nn.Linear(dim, hidden_dim) self.act = nn.GELU() if (out_dim is None): out_dim = dim self.fc2 = nn.Linear(hidden_dim, out_dim) self.dr...
class Attention(nn.Module): def __init__(self, dim, heads, dropout): super().__init__() self.heads = heads head_dim = (dim // heads) self.scale = (head_dim ** (- 0.5)) self.attn = None self.qkv = nn.Linear(dim, (dim * 3)) self.attn_drop = nn.Dropout(dropout...
class Block(nn.Module): def __init__(self, dim, heads, mlp_dim, dropout, drop_path): super().__init__() self.norm1 = nn.LayerNorm(dim) self.norm2 = nn.LayerNorm(dim) self.attn = Attention(dim, heads, dropout) self.mlp = FeedForward(dim, mlp_dim, dropout) self.drop_...
@register_model def vit_base_patch8_384(pretrained=False, **kwargs): 'ViT-Base model (ViT-B/16) from original paper (https://arxiv.org/abs/2010.11929).\n ImageNet-1k weights fine-tuned from in21k @ 384x384, source https://github.com/google-research/vision_transformer.\n ' model_kwargs = dict(patch_size=...
def create_vit(model_cfg): model_cfg = model_cfg.copy() backbone = model_cfg.pop('backbone') normalization = model_cfg.pop('normalization') model_cfg['n_cls'] = 1000 mlp_expansion_ratio = 4 model_cfg['d_ff'] = (mlp_expansion_ratio * model_cfg['d_model']) if (backbone in default_cfgs): ...
def create_decoder(encoder, decoder_cfg): decoder_cfg = decoder_cfg.copy() name = decoder_cfg.pop('name') decoder_cfg['d_encoder'] = encoder.d_model decoder_cfg['patch_size'] = encoder.patch_size if ('linear' in name): decoder = DecoderLinear(**decoder_cfg) elif (name == 'mask_transfor...
def create_segmenter(model_cfg): model_cfg = model_cfg.copy() decoder_cfg = model_cfg.pop('decoder') decoder_cfg['n_cls'] = model_cfg['n_cls'] encoder = create_vit(model_cfg) decoder = create_decoder(encoder, decoder_cfg) model = Segmenter(encoder, decoder, n_cls=model_cfg['n_cls']) return...
def load_model(model_path): variant_path = (Path(model_path).parent / 'variant.yml') with open(variant_path, 'r') as f: variant = yaml.load(f, Loader=yaml.FullLoader) net_kwargs = variant['net_kwargs'] model = create_segmenter(net_kwargs) data = torch.load(model_path, map_location=ptu.devi...
def create_scheduler(opt_args, optimizer): if (opt_args.sched == 'polynomial'): lr_scheduler = PolynomialLR(optimizer, opt_args.poly_step_size, opt_args.iter_warmup, opt_args.iter_max, opt_args.poly_power, opt_args.min_lr) else: (lr_scheduler, _) = scheduler.create_scheduler(opt_args, optimize...
def create_optimizer(opt_args, model): return optim.create_optimizer(opt_args, model)
class PolynomialLR(_LRScheduler): def __init__(self, optimizer, step_size, iter_warmup, iter_max, power, min_lr=0, last_epoch=(- 1)): self.step_size = step_size self.iter_warmup = int(iter_warmup) self.iter_max = int(iter_max) self.power = power self.min_lr = min_lr ...
def download_ade(path, overwrite=False): _AUG_DOWNLOAD_URLS = [('http://data.csail.mit.edu/places/ADEchallenge/ADEChallengeData2016.zip', '219e1696abb36c8ba3a3afe7fb2f4b4606a897c7'), ('http://data.csail.mit.edu/places/ADEchallenge/release_test.zip', 'e05747892219d10e9243933371a497e905a4860c')] download_dir = ...
@click.command(help='Initialize ADE20K dataset.') @click.argument('download_dir', type=str) def main(download_dir): dataset_dir = (Path(download_dir) / 'ade20k') download_ade(dataset_dir, overwrite=False)
def download_cityscapes(path, username, password, overwrite=False): _CITY_DOWNLOAD_URLS = [('gtFine_trainvaltest.zip', '99f532cb1af174f5fcc4c5bc8feea8c66246ddbc'), ('leftImg8bit_trainvaltest.zip', '2c0b77ce9933cc635adda307fbba5566f5d9d404')] download_dir = (path / 'downloads') download_dir.mkdir(parents=T...
def install_cityscapes_api(): os.system('pip install cityscapesscripts') try: import cityscapesscripts except Exception: print(('Installing Cityscapes API failed, please install it manually %s' % repo_url))
def convert_json_to_label(json_file): from cityscapesscripts.preparation.json2labelImg import json2labelImg label_file = json_file.replace('_polygons.json', '_labelTrainIds.png') json2labelImg(json_file, label_file, 'trainIds')
@click.command(help='Initialize Cityscapes dataset.') @click.argument('download_dir', type=str) @click.option('--username', default=USERNAME, type=str) @click.option('--password', default=PASSWORD, type=str) @click.option('--nproc', default=10, type=int) def main(download_dir, username, password, nproc): dataset_...
def download_pcontext(path, overwrite=False): _AUG_DOWNLOAD_URLS = [('https://www.dropbox.com/s/wtdibo9lb2fur70/VOCtrainval_03-May-2010.tar?dl=1', 'VOCtrainval_03-May-2010.tar', 'bf9985e9f2b064752bf6bd654d89f017c76c395a'), ('https://codalabuser.blob.core.windows.net/public/trainval_merged.json', '', '169325d9f7e9...
@click.command(help='Initialize PASCAL Context dataset.') @click.argument('download_dir', type=str) def main(download_dir): dataset_dir = (Path(download_dir) / 'pcontext') download_pcontext(dataset_dir, overwrite=False) devkit_path = (dataset_dir / 'VOCdevkit') out_dir = ((devkit_path / 'VOC2010') / '...
@click.command(help='') @click.option('--log-dir', type=str, help='logging directory') @click.option('--dataset', type=str) @click.option('--im-size', default=None, type=int, help='dataset resize size') @click.option('--crop-size', default=None, type=int) @click.option('--window-size', default=None, type=int) @click....
def init_process(backend='nccl'): print(f'Starting process with rank {ptu.dist_rank}...', flush=True) if ('SLURM_STEPS_GPUS' in os.environ): gpu_ids = os.environ['SLURM_STEP_GPUS'].split(',') os.environ['MASTER_PORT'] = str((12345 + int(min(gpu_ids)))) else: os.environ['MASTER_PORT...
def silence_print(is_master): '\n This function disables printing when not in master process\n ' import builtins as __builtin__ builtin_print = __builtin__.print def print(*args, **kwargs): force = kwargs.pop('force', False) if (is_master or force): builtin_print(*ar...
def sync_model(sync_dir, model): sync_path = (Path(sync_dir).resolve() / 'sync_model.pkl') if ((ptu.dist_rank == 0) and (ptu.world_size > 1)): torch.save(model.state_dict(), sync_path) dist.barrier() if (ptu.dist_rank > 0): model.load_state_dict(torch.load(sync_path)) dist.barrier(...
def barrier(): dist.barrier()
def destroy_process(): dist.destroy_process_group()
def check_sha1(filename, sha1_hash): 'Check whether the sha1 hash of the file content matches the expected hash.\n Parameters\n ----------\n filename : str\n Path to the file.\n sha1_hash : str\n Expected sha1 hash in hexadecimal digits.\n Returns\n -------\n bool\n Wheth...
def download(url, path=None, overwrite=False, sha1_hash=None): "\n https://github.com/junfu1115/DANet/blob/master/encoding/utils/files.py\n Download a given URL\n Parameters\n ----------\n url : str\n URL to download\n path : str, optional\n Destination path to store downloaded fil...
class SmoothedValue(object): 'Track a series of values and provide access to smoothed values over a\n window or the global series average.\n ' def __init__(self, window_size=20, fmt=None): if (fmt is None): fmt = '{median:.4f} ({global_avg:.4f})' self.deque = deque(maxlen=wi...
class MetricLogger(object): def __init__(self, delimiter='\t'): self.meters = defaultdict(SmoothedValue) self.delimiter = delimiter def update(self, n=1, **kwargs): for (k, v) in kwargs.items(): if isinstance(v, torch.Tensor): v = v.item() asse...
def is_dist_avail_and_initialized(): if (not dist.is_available()): return False if (not dist.is_initialized()): return False return True
def set_gpu_mode(mode): global use_gpu global device global gpu_id global distributed global dist_rank global world_size gpu_id = int(os.environ.get('SLURM_LOCALID', 0)) dist_rank = int(os.environ.get('SLURM_PROCID', 0)) world_size = int(os.environ.get('SLURM_NTASKS', 1)) distr...
def read_requirements_file(filename): req_file_path = path.join(path.dirname(path.realpath(__file__)), filename) with open(req_file_path) as f: return [line.strip() for line in f]
def build_optimizer(model, length_train_loader, config): optimizer_class = getattr(transformers, 'AdamW') optimizer = optimizer_class(model.model.parameters(), lr=float(config['lr'])) num_training_steps = (config['train_epochs'] * length_train_loader) lr_scheduler = get_scheduler(name='linear', optimi...
def build_model(config): available_models = ['bertqa', 'longformer', 'bigbird', 'layoutlmv2', 'layoutlmv3', 't5', 'vt5', 'hi-vt5'] if ((config['model_name'].lower() == 'bert') or (config['model_name'].lower() == 'bertqa')): from models.BertQA import BertQA model = BertQA(config) elif (conf...
def build_dataset(config, split): dataset_kwargs = {} if (config['model_name'].lower() in ['layoutlmv2', 'layoutlmv3', 'lt5', 'vt5', 'hilt5', 'hi-lt5', 'hivt5', 'hi-vt5']): dataset_kwargs['get_raw_ocr_data'] = True if (config['model_name'].lower() in ['layoutlmv2', 'layoutlmv3', 'vt5', 'hivt5', 'h...
def save_model(model, epoch, update_best=False, **kwargs): save_dir = os.path.join(kwargs['save_dir'], 'checkpoints', '{:s}_{:s}_{:s}'.format(kwargs['model_name'].lower(), kwargs.get('page_retrieval', '').lower(), kwargs['dataset_name'].lower())) model.model.save_pretrained(os.path.join(save_dir, 'model__{:d}...
def load_model(base_model, ckpt_name, **kwargs): load_dir = kwargs['save_dir'] base_model.model.from_pretrained(os.path.join(load_dir, ckpt_name))
class DUDE(MPDocVQA): def __init__(self, imbd_dir, images_dir, page_retrieval, split, kwargs): super(DUDE, self).__init__(imbd_dir, images_dir, page_retrieval, split, kwargs) if (self.page_retrieval == 'oracle'): raise ValueError("'Oracle' set-up is not valid for DUDE, since there is ...
class MPDocVQA(Dataset): def __init__(self, imbd_dir, images_dir, page_retrieval, split, kwargs): data = np.load(os.path.join(imbd_dir, 'imdb_{:s}.npy'.format(split)), allow_pickle=True) self.header = data[0] self.imdb = data[1:] self.page_retrieval = page_retrieval.lower() ...
def mpdocvqa_collate_fn(batch): batch = {k: [dic[k] for dic in batch] for k in batch[0]} return batch
class SPDocVQA(Dataset): def __init__(self, imbd_dir, images_dir, split, kwargs): data = np.load(os.path.join(imbd_dir, 'new_imdb_{:s}.npy'.format(split)), allow_pickle=True) self.header = data[0] self.imdb = data[1:] self.hierarchical_method = kwargs.get('hierarchical_method', Fa...
def singlepage_docvqa_collate_fn(batch): batch = {k: [dic[k] for dic in batch] for k in batch[0]} return batch
def evaluate(data_loader, model, evaluator, **kwargs): return_scores_by_sample = kwargs.get('return_scores_by_sample', False) return_answers = kwargs.get('return_answers', False) if return_scores_by_sample: scores_by_samples = {} total_accuracies = [] total_anls = [] total_...
class Logger(): def __init__(self, config): self.log_folder = config['save_dir'] experiment_date = datetime.datetime.now().strftime('%Y.%m.%d_%H.%M.%S') self.experiment_name = '{:s}__{:}'.format(config['model_name'], experiment_date) machine_dict = {'cvc117': 'Local', 'cudahpc16':...
class Evaluator(): def __init__(self, case_sensitive=False): self.case_sensitive = case_sensitive self.get_edit_distance = editdistance.eval self.anls_threshold = 0.5 self.total_accuracies = [] self.total_anls = [] self.best_accuracy = 0 self.best_epoch = 0...
class BertQA(): def __init__(self, config): self.batch_size = config['batch_size'] self.model = AutoModelForQuestionAnswering.from_pretrained(config['model_weights']) self.tokenizer = AutoTokenizer.from_pretrained(config['model_weights']) self.page_retrieval = (config['page_retrie...
class BigBird(): def __init__(self, config): self.batch_size = config['batch_size'] self.tokenizer = BigBirdTokenizerFast.from_pretrained(config['model_weights']) self.model = BigBirdForQuestionAnswering.from_pretrained(config['model_weights']) self.page_retrieval = (config['page_...
class LayoutLMv2(): def __init__(self, config): self.batch_size = config['batch_size'] self.processor = LayoutLMv2Processor.from_pretrained(config['model_weights'], apply_ocr=False) self.model = LayoutLMv2ForQuestionAnswering.from_pretrained(config['model_weights']) self.page_retr...
class LayoutLMv3(): def __init__(self, config): self.batch_size = config['batch_size'] self.processor = LayoutLMv3Processor.from_pretrained(config['model_weights'], apply_ocr=False) self.model = LayoutLMv3ForQuestionAnswering.from_pretrained(config['model_weights']) self.page_retr...
class LongT5(): def __init__(self, config): self.batch_size = config['batch_size'] self.tokenizer = AutoTokenizer.from_pretrained(config['model_weights']) self.model = LongT5ForConditionalGeneration.from_pretrained(config['model_weights']) self.page_retrieval = (config['page_retri...
class Longformer(): def __init__(self, config): self.batch_size = config['batch_size'] self.tokenizer = LongformerTokenizerFast.from_pretrained(config['model_weights']) self.model = LongformerForQuestionAnswering.from_pretrained(config['model_weights']) self.page_retrieval = (conf...
class T5(): def __init__(self, config): self.batch_size = config['batch_size'] self.tokenizer = T5Tokenizer.from_pretrained(config['model_weights']) self.model = T5ForConditionalGeneration.from_pretrained(config['model_weights']) self.page_retrieval = (config['page_retrieval'].low...
def train_epoch(data_loader, model, optimizer, lr_scheduler, evaluator, logger, **kwargs): model.model.train() for (batch_idx, batch) in enumerate(tqdm(data_loader)): gt_answers = batch['answers'] (outputs, pred_answers, pred_answer_page, answer_conf) = model.forward(batch, return_pred_answer=...
def train(model, **kwargs): epochs = kwargs['train_epochs'] batch_size = kwargs['batch_size'] seed_everything(kwargs['seed']) evaluator = Evaluator(case_sensitive=False) logger = Logger(config=kwargs) logger.log_model_parameters(model) train_dataset = build_dataset(config, 'train') val...
class BouncingBallExample(nn.Module): def __init__(self, radius=0.2, gravity=9.8, adjoint=False): super().__init__() self.gravity = nn.Parameter(torch.as_tensor([gravity])) self.log_radius = nn.Parameter(torch.log(torch.as_tensor([radius]))) self.t0 = nn.Parameter(torch.tensor([0....
def gradcheck(nbounces): system = BouncingBallExample() variables = {'init_pos': system.init_pos, 'init_vel': system.init_vel, 't0': system.t0, 'gravity': system.gravity, 'log_radius': system.log_radius} event_t = system.get_collision_times(nbounces)[(- 1)] event_t.backward() analytical_grads = {}...
class NFEDiffEq(): def __init__(self, diffeq): self.diffeq = diffeq self.nfe = 0 def __call__(self, t, y): self.nfe += 1 return self.diffeq(t, y)
def main(): sol = dict() for method in ['dopri5', 'adams']: for tol in [0.001, 1e-06, 1e-09]: print('======= {} | tol={:e} ======='.format(method, tol)) nfes = [] times = [] errs = [] for c in ['A', 'B', 'C', 'D', 'E']: for i ...
class TestCollectionState(unittest.TestCase): def test_forward(self): for dtype in DTYPES: eps = EPS[dtype] for device in DEVICES: (f, y0, t_points, sol) = construct_problem(dtype=dtype, device=device) tuple_f = (lambda t, y: (f(t, y[0]), f(t, y[1])...
def rel_error(true, estimate): return ((true - estimate) / true).abs().max()
class TestEventHandling(unittest.TestCase): def test_odeint(self): for reverse in (False, True): for dtype in DTYPES: for device in DEVICES: for method in METHODS: if (method == 'scipy_solver'): continue ...
def max_abs(tensor): return torch.max(torch.abs(tensor))
class TestGradient(unittest.TestCase): def test_odeint(self): for device in DEVICES: for method in METHODS: if (method == 'scipy_solver'): continue with self.subTest(device=device, method=method): (f, y0, t_points, _) = c...
class TestCompareAdjointGradient(unittest.TestCase): def problem(self, device): class Odefunc(torch.nn.Module): def __init__(self): super(Odefunc, self).__init__() self.A = torch.nn.Parameter(torch.tensor([[(- 0.1), 2.0], [(- 2.0), (- 0.1)]])) ...
@contextlib.contextmanager def random_seed_torch(seed): cpu_rng_state = torch.get_rng_state() torch.manual_seed(seed) try: (yield) finally: torch.set_rng_state(cpu_rng_state)
class _NeuralF(torch.nn.Module): def __init__(self, width, oscillate): super(_NeuralF, self).__init__() with random_seed_torch(0): self.linears = torch.nn.Sequential(torch.nn.Linear(2, width), torch.nn.Tanh(), torch.nn.Linear(width, 2), torch.nn.Tanh()) self.nfe = 0 se...