def test_model_freeze_unfreeze(): tutils.reset_seed() hparams = tutils.get_hparams() model = LightningTestModel(hparams) model.freeze() model.unfreeze()
def test_model_saving_loading(): """ Tests use case where trainer saves the model, and user loads it from tags independently :return: """ reset_seed() hparams = get_hparams() model = LightningTestModel(hparams) save_dir = init_save_dir() # logger file to get meta logger = get_test_tube_logger(False) logger.log_hyperparams(hparams) logger.save() trainer_options = dict(max_nb_epochs=1, logger=logger, checkpoint_callback=ModelCheckpoint(save_dir)) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # traning complete assert result == 1, 'amp + ddp model failed to complete' # make a prediction for dataloader in model.test_dataloader(): for batch in dataloader: break x, y = batch x = x.view(x.size(0), -1) # generate preds before saving model model.eval() pred_before_saving = model(x) # save model new_weights_path = os.path.join(save_dir, 'save_test.ckpt') trainer.save_checkpoint(new_weights_path) # load new model tags_path = logger.experiment.get_data_path(logger.experiment.name, logger.experiment.version) tags_path = os.path.join(tags_path, 'meta_tags.csv') model_2 = LightningTestModel.load_from_metrics( weights_path=new_weights_path, tags_csv=tags_path) model_2.eval() # make prediction # assert that both predictions are the same new_pred = model_2(x) assert torch.all(torch.eq(pred_before_saving, new_pred)).item() == 1 clear_save_dir()
def get_model(use_test_model=False): # set up model with these hyperparams hparams = get_hparams() if use_test_model: model = LightningTestModel(hparams) else: model = LightningTemplateModel(hparams) return model, hparams
def get_model(use_test_model=False, lbfgs=False): # set up model with these hyperparams hparams = get_hparams() if lbfgs: setattr(hparams, 'optimizer_name', 'lbfgs') if use_test_model: model = LightningTestModel(hparams) else: model = LightningTemplateModel(hparams) return model, hparams
def test_running_test_pretrained_model_ddp(): """Verify test() on pretrained model""" if not can_run_gpu_test(): return reset_seed() set_random_master_port() hparams = get_hparams() model = LightningTestModel(hparams) save_dir = init_save_dir() # exp file to get meta logger = get_test_tube_logger(False) # exp file to get weights checkpoint = init_checkpoint_callback(logger) trainer_options = dict(show_progress_bar=False, max_nb_epochs=1, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=checkpoint, logger=logger, gpus=[0, 1], distributed_backend='ddp') # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) exp = logger.experiment print(os.listdir(exp.get_data_path(exp.name, exp.version))) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = load_model(logger.experiment, save_dir, module_class=LightningTestModel) # run test set new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) [ run_prediction(dataloader, pretrained_model) for dataloader in model.test_dataloader() ] # test we have good test accuracy clear_save_dir()
def test_testtube_logger(tmpdir): """Verify that basic functionality of test tube logger works.""" tutils.reset_seed() hparams = tutils.get_hparams() model = LightningTestModel(hparams) logger = tutils.get_test_tube_logger(tmpdir, False) trainer_options = dict(max_num_epochs=1, train_percent_check=0.01, logger=logger) trainer = Trainer(**trainer_options) result = trainer.fit(model) assert result == 1, "Training failed"
def test_running_test_pretrained_model_ddp(tmpdir): """Verify `test()` on pretrained model.""" if not tutils.can_run_gpu_test(): return tutils.reset_seed() tutils.set_random_master_port() hparams = tutils.get_hparams() model = LightningTestModel(hparams) # exp file to get meta logger = tutils.get_test_tube_logger(tmpdir, False) # exp file to get weights checkpoint = tutils.init_checkpoint_callback(logger) trainer_options = dict( show_progress_bar=False, max_epochs=1, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=checkpoint, logger=logger, gpus=[0, 1], distributed_backend='ddp' ) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) exp = logger.experiment logging.info(os.listdir(exp.get_data_path(exp.name, exp.version))) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = tutils.load_model(logger.experiment, trainer.checkpoint_callback.filepath, module_class=LightningTestModel) # run test set new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) for dataloader in model.test_dataloader(): tutils.run_prediction(dataloader, pretrained_model)
def test_neptune_logger(tmpdir): """Verify that basic functionality of neptune logger works.""" tutils.reset_seed() hparams = tutils.get_hparams() model = LightningTestModel(hparams) logger = NeptuneLogger(offline_mode=True) trainer_options = dict(default_save_path=tmpdir, max_epochs=1, train_percent_check=0.01, logger=logger) trainer = Trainer(**trainer_options) result = trainer.fit(model) print('result finished') assert result == 1, "Training failed"
def test_tensorboard_logger(tmpdir): """Verify that basic functionality of Tensorboard logger works.""" hparams = tutils.get_hparams() model = LightningTestModel(hparams) logger = TensorBoardLogger(save_dir=tmpdir, name="tensorboard_logger_test") trainer_options = dict(max_epochs=1, train_percent_check=0.01, logger=logger) trainer = Trainer(**trainer_options) result = trainer.fit(model) print("result finished") assert result == 1, "Training failed"
def test_running_test_pretrained_model_ddp(): """Verify test() on pretrained model""" if not can_run_gpu_test(): return hparams = get_hparams() model = LightningTestModel(hparams) save_dir = init_save_dir() # exp file to get meta exp = get_exp(False) exp.argparse(hparams) exp.save() # exp file to get weights checkpoint = ModelCheckpoint(save_dir) trainer_options = dict(show_progress_bar=False, max_nb_epochs=1, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=checkpoint, experiment=exp, gpus=[0, 1], distributed_backend='ddp') # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = load_model(exp, save_dir, on_gpu=True, module_class=LightningTestModel) # run test set new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) run_prediction(model.test_dataloader, pretrained_model) # test we have good test accuracy clear_save_dir()
def test_testtube_pickle(): """Verify that pickling a trainer containing a test tube logger works""" hparams = get_hparams() model = LightningTestModel(hparams) save_dir = init_save_dir() logger = get_test_tube_logger(False) logger.log_hyperparams(hparams) logger.save() trainer_options = dict(max_nb_epochs=1, logger=logger) trainer = Trainer(**trainer_options) pkl_bytes = pickle.dumps(trainer) trainer2 = pickle.loads(pkl_bytes) trainer2.logger.log_metrics({"acc": 1.0})
def test_custom_logger(tmpdir): class CustomLogger(LightningLoggerBase): def __init__(self): super().__init__() self.hparams_logged = None self.metrics_logged = None self.finalized = False @rank_zero_only def log_hyperparams(self, params): self.hparams_logged = params @rank_zero_only def log_metrics(self, metrics, step_num): self.metrics_logged = metrics @rank_zero_only def finalize(self, status): self.finalized_status = status @property def name(self): return "name" @property def version(self): return "1" hparams = testing_utils.get_hparams() model = LightningTestModel(hparams) logger = CustomLogger() trainer_options = dict( max_nb_epochs=1, train_percent_check=0.01, logger=logger, default_save_path=tmpdir ) trainer = Trainer(**trainer_options) result = trainer.fit(model) assert result == 1, "Training failed" assert logger.hparams_logged == hparams assert logger.metrics_logged != {} assert logger.finalized_status == "success"
def test_running_test_pretrained_model_dp(): tutils.reset_seed() """Verify test() on pretrained model""" if not tutils.can_run_gpu_test(): return hparams = tutils.get_hparams() model = LightningTestModel(hparams) save_dir = tutils.init_save_dir() # logger file to get meta logger = tutils.get_test_tube_logger(False) # logger file to get weights checkpoint = tutils.init_checkpoint_callback(logger) trainer_options = dict( show_progress_bar=True, max_nb_epochs=1, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=checkpoint, logger=logger, gpus=[0, 1], distributed_backend='dp' ) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = tutils.load_model(logger.experiment, trainer.checkpoint_callback.filepath, module_class=LightningTestModel) new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) # test we have good test accuracy tutils.assert_ok_test_acc(new_trainer) tutils.clear_save_dir()
def test_amp_single_gpu(tmpdir): """Make sure DDP + AMP work.""" tutils.reset_seed() if not tutils.can_run_gpu_test(): return hparams = tutils.get_hparams() model = LightningTestModel(hparams) trainer_options = dict(default_save_path=tmpdir, show_progress_bar=True, max_epochs=1, gpus=1, distributed_backend='ddp', use_amp=True) tutils.run_model_test(trainer_options, model)
def test_amp_gpu_ddp_slurm_managed(tmpdir): """Make sure DDP + AMP work.""" if not tutils.can_run_gpu_test(): return tutils.reset_seed() # simulate setting slurm flags tutils.set_random_master_port() os.environ['SLURM_LOCALID'] = str(0) hparams = tutils.get_hparams() model = LightningTestModel(hparams) trainer_options = dict(show_progress_bar=True, max_epochs=1, gpus=[0], distributed_backend='ddp', use_amp=True) # exp file to get meta logger = tutils.get_test_tube_logger(tmpdir, False) # exp file to get weights checkpoint = tutils.init_checkpoint_callback(logger) # add these to the trainer options trainer_options['checkpoint_callback'] = checkpoint trainer_options['logger'] = logger # fit model trainer = Trainer(**trainer_options) trainer.is_slurm_managing_tasks = True result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'amp + ddp model failed to complete' # test root model address assert trainer.resolve_root_node_address('abc') == 'abc' assert trainer.resolve_root_node_address('abc[23]') == 'abc23' assert trainer.resolve_root_node_address('abc[23-24]') == 'abc23' assert trainer.resolve_root_node_address( 'abc[23-24, 45-40, 40]') == 'abc23'
def test_no_amp_single_gpu(tmpdir): """Make sure DDP + AMP work.""" tutils.reset_seed() if not tutils.can_run_gpu_test(): return hparams = tutils.get_hparams() model = LightningTestModel(hparams) trainer_options = dict(default_save_path=tmpdir, show_progress_bar=True, max_num_epochs=1, gpus=1, distributed_backend='dp', use_amp=True) with pytest.raises((MisconfigurationException, ModuleNotFoundError)): tutils.run_model_test(trainer_options, model)
def test_testtube_pickle(tmpdir): """Verify that pickling a trainer containing a test tube logger works.""" tutils.reset_seed() hparams = tutils.get_hparams() model = LightningTestModel(hparams) logger = tutils.get_test_tube_logger(tmpdir, False) logger.log_hyperparams(hparams) logger.save() trainer_options = dict(max_num_epochs=1, train_percent_check=0.01, logger=logger) trainer = Trainer(**trainer_options) pkl_bytes = pickle.dumps(trainer) trainer2 = pickle.loads(pkl_bytes) trainer2.logger.log_metrics({"acc": 1.0})
def test_amp_gpu_ddp(): """ Make sure DDP + AMP work :return: """ if not can_run_gpu_test(): return os.environ['MASTER_PORT'] = str(np.random.randint(12000, 19000, 1)[0]) hparams = get_hparams() model = LightningTestModel(hparams) trainer_options = dict(show_progress_bar=True, max_nb_epochs=1, gpus=2, distributed_backend='ddp', use_amp=True) run_gpu_model_test(trainer_options, model, hparams)
def test_mlflow_logger(tmpdir): """Verify that basic functionality of mlflow logger works.""" tutils.reset_seed() hparams = tutils.get_hparams() model = LightningTestModel(hparams) mlflow_dir = os.path.join(tmpdir, "mlruns") logger = MLFlowLogger("test", tracking_uri=f"file:{os.sep * 2}{mlflow_dir}") trainer_options = dict(default_save_path=tmpdir, max_epochs=1, train_percent_check=0.01, logger=logger) trainer = Trainer(**trainer_options) result = trainer.fit(model) print('result finished') assert result == 1, "Training failed"
def test_testtube_logger(): """verify that basic functionality of test tube logger works""" hparams = get_hparams() model = LightningTestModel(hparams) save_dir = init_save_dir() logger = get_test_tube_logger(False) logger.log_hyperparams(hparams) logger.save() trainer_options = dict(max_nb_epochs=1, logger=logger) trainer = Trainer(**trainer_options) result = trainer.fit(model) assert result == 1, "Training failed" clear_save_dir()
def test_simple_cpu(tmpdir): """Verify continue training session on CPU.""" tutils.reset_seed() hparams = tutils.get_hparams() model = LightningTestModel(hparams) # logger file to get meta trainer_options = dict( default_save_path=tmpdir, max_epochs=1, val_percent_check=0.1, train_percent_check=0.1, ) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # traning complete assert result == 1, 'amp + ddp model failed to complete'
def test_amp_gpu_ddp(): """ Make sure DDP + AMP work :return: """ if not can_run_gpu_test(): return reset_seed() set_random_master_port() hparams = get_hparams() model = LightningTestModel(hparams) trainer_options = dict(show_progress_bar=True, max_nb_epochs=1, gpus=2, distributed_backend='ddp', use_amp=True) run_gpu_model_test(trainer_options, model, hparams)
def test_running_test_pretrained_model(): """Verify test() on pretrained model""" hparams = get_hparams() model = LightningTestModel(hparams) save_dir = init_save_dir() # exp file to get meta exp = get_exp(False) exp.argparse(hparams) exp.save() # exp file to get weights checkpoint = ModelCheckpoint(save_dir) trainer_options = dict( show_progress_bar=False, max_nb_epochs=1, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=checkpoint, experiment=exp ) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = load_model( exp, save_dir, on_gpu=False, module_class=LightningTestModel ) new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) # test we have good test accuracy assert_ok_test_acc(new_trainer) clear_save_dir()
def test_load_model_from_checkpoint(tmpdir): tutils.reset_seed() """Verify test() on pretrained model""" hparams = tutils.get_hparams() model = LightningTestModel(hparams) trainer_options = dict( show_progress_bar=False, max_epochs=2, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=ModelCheckpoint(tmpdir, save_top_k=-1), logger=False, default_save_path=tmpdir, ) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'training failed to complete' # load last checkpoint last_checkpoint = os.path.join(trainer.checkpoint_callback.filepath, "_ckpt_epoch_1.ckpt") if not os.path.isfile(last_checkpoint): last_checkpoint = os.path.join(trainer.checkpoint_callback.filepath, "_ckpt_epoch_0.ckpt") pretrained_model = LightningTestModel.load_from_checkpoint(last_checkpoint) # test that hparams loaded correctly for k, v in vars(hparams).items(): assert getattr(pretrained_model.hparams, k) == v new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) # test we have good test accuracy tutils.assert_ok_model_acc(new_trainer)
def test_testtube_logger(): """ verify that basic functionality of test tube logger works """ reset_seed() hparams = testing_utils.get_hparams() model = LightningTestModel(hparams) save_dir = testing_utils.init_save_dir() logger = testing_utils.get_test_tube_logger(False) trainer_options = dict(max_nb_epochs=1, train_percent_check=0.01, logger=logger) trainer = Trainer(**trainer_options) result = trainer.fit(model) assert result == 1, "Training failed" testing_utils.clear_save_dir()
def test_amp_single_gpu(): """ Make sure DDP + AMP work :return: """ testing_utils.reset_seed() if not testing_utils.can_run_gpu_test(): return hparams = testing_utils.get_hparams() model = LightningTestModel(hparams) trainer_options = dict( show_progress_bar=True, max_nb_epochs=1, gpus=1, distributed_backend='ddp', use_amp=True ) testing_utils.run_gpu_model_test(trainer_options, model, hparams)
def test_running_test_pretrained_model(): reset_seed() """Verify test() on pretrained model""" hparams = get_hparams() model = LightningTestModel(hparams) save_dir = init_save_dir() # logger file to get meta logger = get_test_tube_logger(False) logger.log_hyperparams(hparams) logger.save() # logger file to get weights checkpoint = ModelCheckpoint(save_dir) trainer_options = dict(show_progress_bar=False, max_nb_epochs=1, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=checkpoint, logger=logger) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = load_model(logger.experiment, save_dir, module_class=LightningTestModel) new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) # test we have good test accuracy assert_ok_test_acc(new_trainer) clear_save_dir()
def test_running_test_pretrained_model(tmpdir): tutils.reset_seed() """Verify test() on pretrained model""" hparams = tutils.get_hparams() model = LightningTestModel(hparams) save_dir = tmpdir # logger file to get meta logger = tutils.get_test_tube_logger(save_dir, False) # logger file to get weights checkpoint = tutils.init_checkpoint_callback(logger) trainer_options = dict( show_progress_bar=False, max_nb_epochs=4, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=checkpoint, logger=logger ) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = tutils.load_model( logger.experiment, trainer.checkpoint_callback.filepath, module_class=LightningTestModel ) new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) # test we have good test accuracy tutils.assert_ok_test_acc(new_trainer)
def test_mlflow_pickle(tmpdir): """Verify that pickling trainer with mlflow logger works.""" tutils.reset_seed() try: from pytorch_lightning.logging import MLFlowLogger except ModuleNotFoundError: return hparams = tutils.get_hparams() model = LightningTestModel(hparams) mlflow_dir = os.path.join(tmpdir, "mlruns") logger = MLFlowLogger("test", f"file://{mlflow_dir}") trainer_options = dict(max_num_epochs=1, logger=logger) trainer = Trainer(**trainer_options) pkl_bytes = pickle.dumps(trainer) trainer2 = pickle.loads(pkl_bytes) trainer2.logger.log_metrics({"acc": 1.0})
def test_load_model_from_checkpoint(): tutils.reset_seed() """Verify test() on pretrained model""" hparams = tutils.get_hparams() model = LightningTestModel(hparams) save_dir = tutils.init_save_dir() trainer_options = dict( show_progress_bar=False, max_nb_epochs=1, train_percent_check=0.4, val_percent_check=0.2, checkpoint_callback=True, logger=False, default_save_path=save_dir ) # fit model trainer = Trainer(**trainer_options) result = trainer.fit(model) # correct result and ok accuracy assert result == 1, 'training failed to complete' pretrained_model = LightningTestModel.load_from_checkpoint( os.path.join(trainer.checkpoint_callback.filepath, "_ckpt_epoch_0.ckpt") ) # test that hparams loaded correctly for k, v in vars(hparams).items(): assert getattr(pretrained_model.hparams, k) == v new_trainer = Trainer(**trainer_options) new_trainer.test(pretrained_model) # test we have good test accuracy tutils.assert_ok_test_acc(new_trainer) tutils.clear_save_dir()