paper preperations and notebooks, optuna callbacks, new plots

datasets/urban_8k.py

@@ -0,0 +1,136 @@
+from pathlib import Path
+
+import multiprocessing as mp
+import torch
+from torch.utils.data import ConcatDataset
+from torchvision.transforms import RandomApply, ToTensor, Compose
+
+from ml_lib.audio_toolset.audio_io import NormalizeLocal
+from ml_lib.audio_toolset.audio_to_mel_dataset import LibrosaAudioToMelDataset
+from ml_lib.audio_toolset.mel_augmentation import NoiseInjection, LoudnessManipulator, ShiftTime, MaskAug
+from ml_lib.utils._basedatamodule import _BaseDataModule, DATA_OPTION_devel, DATA_OPTION_train, DATA_OPTION_test
+
+data_options = [DATA_OPTION_test, DATA_OPTION_train, DATA_OPTION_devel]
+
+try:
+    torch.multiprocessing.set_sharing_strategy('file_system')
+except AttributeError:
+    pass
+
+
+class UrbanSound8K(_BaseDataModule):
+
+    _class_names = ['air_conditioner', 'car_horn', 'children_playing', 'dog_bark', 'drilling',
+                    'engine_idling', 'gun_shot', 'jackhammer', 'siren', 'street_music']
+
+    @property
+    def class_names(self):
+        return {key: val for val, key in enumerate(self._class_names)}
+
+    @property
+    def n_classes(self):
+        return len(self.class_names)
+
+    @property
+    def sample_shape(self):
+        return self[0][1].shape
+
+    # Data Structures
+    @property
+    def mel_folder(self):
+        return self.data_root / 'mel'
+
+    @property
+    def wav_folder(self):
+        return self.data_root / self._wav_folder_name
+
+    @property
+    def _container_ext(self):
+        return '.mel'
+
+    def __init__(self, data_root, num_worker, sr, n_mels, n_fft, hop_length, sampler=None,
+                 random_apply_chance=0.5, target_mel_length_in_seconds=1, fold=1, setting=DATA_OPTION_train,
+                 loudness_ratio=0.3, shift_ratio=0.3, noise_ratio=0.3, mask_ratio=0.3, rebuild=False):
+        assert isinstance(setting, str), f'Setting has to be a string, but was: {type(setting)}.'
+        assert fold in range(1, 11) if isinstance(fold, int) else all([f in range(1, 11) for f in fold])
+        super(UrbanSound8K, self).__init__()
+        self.num_worker = num_worker or 1
+        self.sampler = sampler
+
+        # Dataset Paramters
+        self.fold = fold if isinstance(fold, list) else [fold]
+
+        # Dataset Parameters
+        self.data_root = Path(data_root) / self.__class__.__name__
+        self._wav_folder_name = 'audio'
+
+        self.mel_length_in_seconds = target_mel_length_in_seconds
+
+        # Mel Transforms - will be pushed with all other paramters by self.__dict__ to subdataset-class
+        self.mel_kwargs = dict(sr=sr, n_mels=n_mels, n_fft=n_fft, hop_length=hop_length)
+
+        target_frames = self.mel_length_in_seconds * self.mel_kwargs['sr']
+        self.sample_segment_length = target_frames // self.mel_kwargs['hop_length'] + 1
+
+        # Utility
+        self.utility_transforms = Compose([
+            NormalizeLocal(),
+            ToTensor()
+        ])
+
+        # Data Augmentations
+        self.random_apply_chance = random_apply_chance
+        self.mel_augmentations = Compose([
+            RandomApply([NoiseInjection(noise_ratio)], p=random_apply_chance),
+            RandomApply([LoudnessManipulator(loudness_ratio)], p=random_apply_chance),
+            RandomApply([ShiftTime(shift_ratio)], p=random_apply_chance),
+            RandomApply([MaskAug(mask_ratio)], p=random_apply_chance),
+            self.utility_transforms])
+
+        # Find all raw files and turn generator to persistent list:
+        self._wav_files = list(self.wav_folder.rglob('*.wav'))
+
+        # Build the Dataset
+        self._dataset = self._build_dataset(rebuild)
+
+    def _build_subdataset(self, row, build=False):
+        slice_file_name, fs_id, start, end, salience, fold, class_id, class_name = row.strip().split(',')
+        fold, class_id = (int(x) for x in (fold, class_id))
+        if int(fold) in self.fold:
+            audio_file_path = self.wav_folder / f'fold{fold}' / slice_file_name
+            kwargs = dict(sample_segment_len=self.sample_segment_length,
+                                   sample_hop_len=self.sample_segment_length // 2)
+            mel_dataset = LibrosaAudioToMelDataset(audio_file_path, class_id, mel_kwargs=self.mel_kwargs, **kwargs)
+            if build:
+                assert mel_dataset.build_mel()
+            return mel_dataset, class_id, slice_file_name
+        else:
+            return None
+
+    def _build_dataset(self, build=False):
+        dataset = list()
+        with open(Path(self.data_root) / 'metadata' / 'UrbanSound8K.csv', mode='r') as f:
+            # Exclude the header
+            _ = next(f)
+            all_rows = list(f)
+            chunksize = len(all_rows) // max(self.num_worker, 1)
+            with mp.Pool(processes=self.num_worker) as pool:
+                from itertools import repeat
+                results = pool.starmap_async(self._build_subdataset,
+                                             zip(all_rows,
+                                                 repeat(build, len(all_rows))
+                                                 ),
+                                             chunksize=chunksize)
+                for sub_dataset in results.get():
+                    if sub_dataset is not None:
+                        if sub_dataset[0] is not None:
+                            dataset.append(sub_dataset[0])
+        return ConcatDataset(dataset)
+
+    def __len__(self):
+        return len(self._dataset)
+
+    def __getitem__(self, item):
+        file_path, transformed_samples, label = self._dataset[item]
+        label = torch.as_tensor(label, dtype=torch.int)
+        return file_path, transformed_samples, label

datasets/urban_8k_datamodule.py

@@ -0,0 +1,62 @@
+from copy import deepcopy
+from pathlib import Path
+
+from torch.utils.data import DataLoader
+
+from datasets.urban_8k import UrbanSound8K
+from ml_lib.utils._basedatamodule import _BaseDataModule, DATA_OPTION_train, DATA_OPTION_devel
+from ml_lib.utils.tools import add_argparse_args
+
+
+class Urban8KLibrosaDatamodule(_BaseDataModule):
+
+    def __init__(self, batch_size, num_worker, data_root, sr, n_mels, n_fft, hop_length,
+                 sampler=None, val_fold=9,
+                 random_apply_chance=0.5, target_mel_length_in_seconds=1,
+                 loudness_ratio=0.3, shift_ratio=0.3, noise_ratio=0.3, mask_ratio=0.3, **kwargs):
+        super(Urban8KLibrosaDatamodule, self).__init__()
+        self.batch_size = batch_size
+        self.num_worker = num_worker
+
+        self.val_fold = val_fold
+
+        self.kwargs = kwargs
+        self.kwargs.update(data_root=data_root, num_worker=num_worker,
+                           sr=sr, n_mels=n_mels, n_fft=n_fft, hop_length=hop_length, sampler=sampler,
+                           random_apply_chance=random_apply_chance,
+                           target_mel_length_in_seconds=target_mel_length_in_seconds,
+                           loudness_ratio=loudness_ratio, shift_ratio=shift_ratio, noise_ratio=noise_ratio,
+                           mask_ratio=mask_ratio)
+
+    @classmethod
+    def add_argparse_args(cls, parent_parser):
+        return add_argparse_args(UrbanSound8K, parent_parser)
+
+    @classmethod
+    def from_argparse_args(cls, args, **kwargs):
+        val_fold = kwargs.get('val_fold', 10)
+        kwargs.update(val_fold=val_fold)
+        return super(Urban8KLibrosaDatamodule, cls).from_argparse_args(args, **kwargs)
+
+    def train_dataloader(self):
+        return DataLoader(dataset=self.datasets[DATA_OPTION_train], shuffle=True,
+                          batch_size=self.batch_size, pin_memory=True,
+                          num_workers=self.num_worker)
+
+    # Validation Dataloader
+    def val_dataloader(self):
+        return DataLoader(dataset=self.datasets[DATA_OPTION_devel], shuffle=False, pin_memory=True,
+                          batch_size=self.batch_size, num_workers=self.num_worker)
+
+    def prepare_data(self, stag=None):
+        # Train Datasset
+        self.datasets[DATA_OPTION_train] = UrbanSound8K(fold=[x for x in list(range(1, 11)) if x != self.val_fold],
+                                                        **self.kwargs)
+        # Devel Datasset
+        self.datasets[DATA_OPTION_devel] = UrbanSound8K(fold=self.val_fold, **self.kwargs)
+
+    def manual_setup(self):
+        UrbanSound8K(fold=[x for x in list(range(1, 11))], rebuild=True, **self.kwargs)
+
+
+

main.py

@@ -8,7 +8,7 @@ from pytorch_lightning.callbacks import LearningRateMonitor, ModelCheckpoint
 
 from ml_lib.utils.callbacks import BestScoresCallback
 from ml_lib.utils.config import parse_comandline_args_add_defaults
-from ml_lib.utils.loggers import Logger
+from ml_lib.utils.loggers import LightningLogger
 
 import variables as v
 from ml_lib.utils.tools import fix_all_random_seeds
@@ -21,7 +21,7 @@ def run_lightning_loop(h_params :Namespace, data_class, model_class, seed=69, ad
 
     fix_all_random_seeds(seed)
 
-    with Logger.from_argparse_args(h_params) as logger:
+    with LightningLogger.from_argparse_args(h_params) as logger:
         # Callbacks
         # =============================================================================
         # Checkpoint Saving
@@ -53,12 +53,18 @@ def run_lightning_loop(h_params :Namespace, data_class, model_class, seed=69, ad
 
         # START
         # =============================================================================
-        # Let Datamodule pull what it wants
+        # Let Datamodule pull what it wants and init
         datamodule = data_class.from_argparse_args(h_params)
 
         # Final h_params Setup:
         h_params = vars(h_params)
+        try:
             h_params.update(in_shape=datamodule.shape, n_classes=datamodule.n_classes)
+        except KeyError:
+            datamodule.manual_setup()
+            datamodule.prepare_data()
+            h_params.update(in_shape=datamodule.shape, n_classes=datamodule.n_classes)
+
         h_params = Namespace(**h_params)
 
         # Let Trainer pull what it wants and add callbacks

multi_run.py

@@ -10,20 +10,20 @@ import itertools
 if __name__ == '__main__':
 
     # Set new values
-    hparams_dict = dict(seed=range(1, 6),
+    hparams_dict = dict(seed=range(13, 20),
                         # BandwiseConvClassifier, CNNBaseline, VisualTransformer, VerticalVisualTransformer
-                        model_name=['VisualTransformer'],
+                        model_name=['BandwiseConvClassifier'],
                         # CCSLibrosaDatamodule, PrimatesLibrosaDatamodule,
                         data_name=['PrimatesLibrosaDatamodule'],
-                        batch_size=[30],
+                        batch_size=[20],
-                        max_epochs=[150],
+                        max_epochs=[200],
-                        target_mel_length_in_seconds=[0.5],
+                        target_mel_length_in_seconds=[0.4],
-                        outpath=['head_exp'],
+                        outpath=['optuna_found_param_run'],
 
-                        dropout=[0.2],  # trial.suggest_float('dropout', 0.0, 0.3, step=0.05),
+                        dropout=[0.0],  # trial.suggest_float('dropout', 0.0, 0.3, step=0.05),
 
-                        scheduler=['LambdaLR'],  # trial.suggest_categorical('scheduler', [None, 'LambdaLR']),
+                        scheduler=[None],  # trial.suggest_categorical('scheduler', [None, 'LambdaLR']),
-                        lr_scheduler_parameter=[0.95],  # [0.95],
+                        lr_scheduler_parameter=[None],  # [0.95],
 
                         loss=['ce_loss'],
                         sampler=['WeightedRandomSampler'],
@@ -32,29 +32,29 @@ if __name__ == '__main__':
                         )
 
     # Data Aug Parameters
-    hparams_dict.update(random_apply_chance=[0.3],  # trial.suggest_float('random_apply_chance', 0.1, 0.5, step=0.1),
+    hparams_dict.update(random_apply_chance=[0.1],  # trial.suggest_float('random_apply_chance', 0.1, 0.5, step=0.1),
-                        loudness_ratio=[0],  # trial.suggest_float('loudness_ratio', 0.0, 0.5, step=0.1),
+                        loudness_ratio=[0.2],  # trial.suggest_float('loudness_ratio', 0.0, 0.5, step=0.1),
-                        shift_ratio=[0.2],  # trial.suggest_float('shift_ratio', 0.0, 0.5, step=0.1),
+                        shift_ratio=[0.3],  # trial.suggest_float('shift_ratio', 0.0, 0.5, step=0.1),
                         noise_ratio=[0.4],  # trial.suggest_float('noise_ratio', 0.0, 0.5, step=0.1),
-                        mask_ratio=[0.2],  # triaSl.suggest_float('mask_ratio', 0.0, 0.5, step=0.1),)
+                        mask_ratio=[0.3],  # triaSl.suggest_float('mask_ratio', 0.0, 0.5, step=0.1),)
                         )
-    if False:
+    if True:
         # CNN Parameters:
-        hparams_dict.update(filters=[[16, 32, 64, 32]],
+        hparams_dict.update(filters=[[6, 6, 6]],
-                            lr=[1e-3],  # trial.suggest_uniform('lr', 1e-3, 3e-3),
+                            lr=[0.0003414550170649836],  # trial.suggest_uniform('lr', 1e-3, 3e-3),
                             variable_length=[False],  # THIS does not Work
-                            lat_dim=[64],  # 2 ** trial.suggest_int('lat_dim', 1, 5, step=1),
+                            lat_dim=[2 ** 3],  # 2 ** trial.suggest_int('lat_dim', 1, 5, step=1),
                             )
     else:
         # Transfornmer Parameters:
-        hparams_dict.update(lr=[1e-3],  # trial.suggest_uniform('lr', 1e-3, 3e-3),
+        hparams_dict.update(lr=[0.0008292481039683588],  # trial.suggest_uniform('lr', 1e-3, 3e-3),
-                            lat_dim=[32],  # 2 ** trial.suggest_int('lat_dim', 1, 5, step=1),
+                            lat_dim=[2**4],  # 2 ** trial.suggest_int('lat_dim', 1, 5, step=1),
-                            mlp_dim=[16],
+                            mlp_dim=[2**4],
-                            head_dim=[6],  # 2 ** trial.suggest_int('head_dim', 1, 5, step=1),
+                            head_dim=[2**4],  # 2 ** trial.suggest_int('head_dim', 1, 5, step=1),
-                            patch_size=[12],  # trial.suggest_int('patch_size', 6, 12, step=3),
+                            patch_size=[6],  # trial.suggest_int('patch_size', 6, 12, step=3),
-                            attn_depth=[14],  # trial.suggest_int('attn_depth', 2, 14, step=4),
+                            attn_depth=[10],  # trial.suggest_int('attn_depth', 2, 14, step=4),
-                            heads=[2,4,6,8,10],  # trial.suggest_int('heads', 2, 16, step=2),
+                            heads=[16],  # trial.suggest_int('heads', 2, 16, step=2),
-                            embedding_size=[30],  # trial.suggest_int('embedding_size', 12, 64, step=12),
+                            embedding_size=[60],  # trial.suggest_int('embedding_size', 12, 64, step=12),
                             variable_length=[False],  # THIS does not Work
                             )
 

notebooks/Train Eval.ipynb

@@ -36,6 +36,7 @@
     "out_path = Path('..') / Path('output')\n",
     "_model_name = 'VisualTransformer'\n",
     "_dataset_name = 'PrimatesLibrosaDatamodule'\n",
+    "breakpoint()\n",
     "_param_name = 'heads'"
    ],
    "metadata": {

optuna_tune.py

@@ -4,6 +4,7 @@ from pathlib import Path
 from typing import Union
 
 import optuna as optuna
+from natsort import natsorted
 from optuna.integration import PyTorchLightningPruningCallback
 
 from main import run_lightning_loop
@@ -18,7 +19,7 @@ class ContiniousSavingCallback:
 
     @property
     def tmp_study_path(self):
-        return Path(self.root) / f'TMP_{self.study.study_name}_trial{self.study.trials[-1].number}.pkl'
+        return Path(self.root) / f'TMP_{self.study.study_name}_trial_{self.study.trials[-1].number}.pkl'
 
     @property
     def final_study_path(self):
@@ -41,7 +42,7 @@ class ContiniousSavingCallback:
             pickle.dump(object, f)
 
     def save_final(self):
-        self._write_to_disk(self.study, self.final_study_path())
+        self._write_to_disk(self.study, self.final_study_path)
 
     def clean_up(self):
         temp_study_files = self.root.glob(f'TMP_{self.study.study_name}*')
@@ -59,10 +60,20 @@ class ContiniousSavingCallback:
         self.clean_up()
 
 
-def optimize(trial: optuna.Trial):
+class Objective(object):
+    def __init__(self, model_class_name, data_class_name, max_epochs, loss):
+        self.study_params = dict(model_name=model_class_name,
+                                 data_name=data_class_name,
+                                 max_epochs=max_epochs,
+                                 loss=loss,
+                                 )
+
+    def __call__(self, trial):
         # Optuna configuration
         folder = Path('study')
         folder.mkdir(parents=False, exist_ok=True)
+
+        # Suggested Parameters:
         scheduler = trial.suggest_categorical('scheduler', [None, 'LambdaLR'])
         if scheduler is not None:
             lr_scheduler_parameter = trial.suggest_float('lr_scheduler_parameter', 0.8, 1, step=0.01)
@@ -70,10 +81,7 @@ def optimize(trial: optuna.Trial):
             lr_scheduler_parameter = None
 
         optuna_suggestions = dict(
-        model_name='CNNBaseline',
-        data_name='PrimatesLibrosaDatamodule',
             batch_size=trial.suggest_int('batch_size', 5, 50, step=5),
-        max_epochs=400,
             target_mel_length_in_seconds=trial.suggest_float('target_mel_length_in_seconds', 0.2, 1.5, step=0.1),
             random_apply_chance=trial.suggest_float('random_apply_chance', 0.1, 0.5, step=0.1),
             loudness_ratio=trial.suggest_float('loudness_ratio', 0.0, 0.5, step=0.1),
@@ -85,11 +93,17 @@ def optimize(trial: optuna.Trial):
             lat_dim=2 ** trial.suggest_int('lat_dim', 1, 5, step=1),
             scheduler=scheduler,
             lr_scheduler_parameter=lr_scheduler_parameter,
-        loss='ce_loss',
             sampler=trial.suggest_categorical('sampler', [None, 'WeightedRandomSampler']),
-        study_name=trial.study.study_name
         )
-    if optuna_suggestions['model_name'] == 'CNNBaseline':
+
+        # User defined Parameters:
+        for params_name in self.study_params.keys():
+            trial.set_user_attr(params_name, self.study_params[params_name])
+        trial.set_user_attr('study_name', trial.study.study_name)
+        optuna_suggestions.update(**trial.user_attrs)
+
+        if optuna_suggestions['model_name'] in ['CNNBaseline', 'BandwiseConvClassifier']:
+
             model_depth = trial.suggest_int('model_depth', 1, 6, step=1)
             filters = list()
             for layer_idx in range(model_depth):
@@ -112,22 +126,46 @@ def optimize(trial: optuna.Trial):
         h_params, found_data_class, found_model_class, seed = parse_comandline_args_add_defaults(
             '_parameters.ini', overrides=optuna_suggestions)
         h_params = Namespace(**h_params)
-    try:
+
         results = run_lightning_loop(h_params, data_class=found_data_class, model_class=found_model_class,
                                      additional_callbacks=pruning_callback, seed=seed)
         best_score = results.best_model_score
 
-    except Exception as e:
-        print(e)
-        best_score = 0
         return best_score
 
 
 if __name__ == '__main__':
-    optuna_study = optuna.create_study(direction='maximize', sampler=optuna.samplers.TPESampler(seed=1337))
+    # Study Parameters
-    with ContiniousSavingCallback('study', optuna_study) as continious_save_callback:
+    out_folder = Path('study')
+    model_name = 'CNNBaseline'
+    data_name = 'Urban8KLibrosaDatamodule'
+    loss = 'ce_loss'
+    max_epochs = 200
+    n_trials = 400
+    study_name = f'{model_name}_{max_epochs}_{data_name}'
+
+    # Create Study or load study:
+    try:
+        found_studys = [x for x in out_folder.iterdir() if study_name in x.name]
+    except FileNotFoundError:
+        found_studys = []
+    if found_studys:
+        latest_found_study = natsorted(found_studys, key=lambda x: x.stem[x.stem.find('_trial'):])[-1]
+        with latest_found_study.open('rb') as latest_found_study_file:
+            optuna_study = pickle.load(latest_found_study_file)
+        n_trials = n_trials - len(optuna_study.trials)
+        print(f'An old study has been found and loaded: {optuna_study.study_name}')
+    else:
+        print(f'A new Study will be created: {study_name}')
+        optuna_study = optuna.create_study(study_name=study_name,
+                                           direction='maximize', sampler=optuna.samplers.TPESampler(seed=1337))
+        n_trials = n_trials
+    # Optimize it
+    with ContiniousSavingCallback(out_folder, optuna_study) as continious_save_callback:
         # study.optimize(optimize, n_trials=50, callbacks=[opt_utils.NeptuneCallback(log_study=True, log_charts=True)])
-        optuna_study.optimize(optimize, n_trials=200, show_progress_bar=True, callbacks=[continious_save_callback])
+        optuna_study.optimize(Objective(model_name, data_name, max_epochs, loss), n_trials=n_trials,
+                              show_progress_bar=True,
+                              callbacks=[continious_save_callback], catch=(Exception, ))
 
     print("Number of finished trials: {}".format(len(optuna_study.trials)))
 
@@ -139,3 +177,4 @@ if __name__ == '__main__':
     print("  Params: ")
     for key, value in trial.params.items():
         print("    {}: {}".format(key, value))
+    exit()