def test_by_default_steps_between_gradient_accumulations_is_set_to_1(self):
     with mock.patch("jiant.models.MultiTaskModel") as MockModel:
         self.args = params_from_file(
             resource_filename("jiant", "config/defaults.conf"))
         self.args.cuda = -1
         self.args.run_dir = self.temp_dir
         self.args.exp_dir = self.temp_dir
         model = MockModel()
         _, train_params, _, _ = build_trainer(
             self.args,
             self.args.cuda,
             ["wic"],
             model,
             self.args.run_dir,
             self.wic.val_metric_decreases,
             phase="pretrain",
         )
         self.assertEqual(train_params["accumulation_steps"], 1)
def main(cl_arguments):
    """ Train a model for multitask-training."""
    cl_args = handle_arguments(cl_arguments)
    args = config.params_from_file(cl_args.config_file, cl_args.overrides)

    train_type = args.get('train_type', "SamplingMultiTaskTrainer")
    if train_type != "SamplingMultiTaskTrainer":
        print("\n\n\n", train_type, "\n\n\n")

    # Check for deprecated arg names
    check_arg_name(args)
    args, seed = initial_setup(args, cl_args)
    # Load tasks
    log.info("Loading tasks...")
    start_time = time.time()
    pretrain_tasks, target_tasks, vocab, word_embs = build_tasks(args)
    tasks = sorted(set(pretrain_tasks + target_tasks), key=lambda x: x.name)
    log.info("\tFinished loading tasks in %.3fs", time.time() - start_time)
    log.info("\t Tasks: {}".format([task.name for task in tasks]))

    # Build model
    log.info("Building model...")
    start_time = time.time()
    model = build_model(args, vocab, word_embs, tasks)
    log.info("Finished building model in %.3fs", time.time() - start_time)

    # Start Tensorboard if requested
    if cl_args.tensorboard:
        tb_logdir = os.path.join(args.run_dir, "tensorboard")
        _run_background_tensorboard(tb_logdir, cl_args.tensorboard_port)

    check_configurations(args, pretrain_tasks, target_tasks)
    if args.do_pretrain:
        # Train on pretrain tasks
        log.info("Training...")
        stop_metric = pretrain_tasks[0].val_metric if len(
            pretrain_tasks) == 1 else "macro_avg"
        should_decrease = (pretrain_tasks[0].val_metric_decreases
                           if len(pretrain_tasks) == 1 else False)
        trainer, _, opt_params, schd_params = build_trainer(
            args, [],
            model,
            args.run_dir,
            should_decrease,
            phase="pretrain",
            train_type=train_type)
        to_train = [(n, p) for n, p in model.named_parameters()
                    if p.requires_grad]
        _ = trainer.train(
            pretrain_tasks,
            stop_metric,
            args.batch_size,
            args.weighting_method,
            args.scaling_method,
            to_train,
            opt_params,
            schd_params,
            args.load_model,
            phase="pretrain",
        )

    # For checkpointing logic
    if not args.do_target_task_training:
        strict = True
    else:
        strict = False

    if args.do_target_task_training:
        # Train on target tasks
        pre_target_train_path = setup_target_task_training(
            args, target_tasks, model, strict)
        target_tasks_to_train = copy.deepcopy(target_tasks)
        # Check for previous target train checkpoints
        task_to_restore, _, _ = check_for_previous_checkpoints(
            args.run_dir, target_tasks_to_train, "target_train",
            args.load_model)
        if task_to_restore is not None:
            # If there is a task to restore from, target train only on target tasks
            # including and following that task.
            last_task_index = [task.name for task in target_tasks_to_train
                               ].index(task_to_restore)
            target_tasks_to_train = target_tasks_to_train[last_task_index:]
        for task in target_tasks_to_train:
            # Skip tasks that should not be trained on.
            if task.eval_only_task:
                continue

            params_to_train = load_model_for_target_train_run(
                args, pre_target_train_path, model, strict, task)
            trainer, _, opt_params, schd_params = build_trainer(
                args, [task.name],
                model,
                args.run_dir,
                task.val_metric_decreases,
                phase="target_train",
                train_type=train_type)

            _ = trainer.train(
                tasks=[task],
                stop_metric=task.val_metric,
                batch_size=args.batch_size,
                weighting_method=args.weighting_method,
                scaling_method=args.scaling_method,
                train_params=params_to_train,
                optimizer_params=opt_params,
                scheduler_params=schd_params,
                load_model=(task.name == task_to_restore),
                phase="target_train",
            )

    if args.do_full_eval:
        log.info("Evaluating...")
        splits_to_write = evaluate.parse_write_preds_arg(args.write_preds)

        # Evaluate on target_tasks.
        for task in target_tasks:
            # Find the task-specific best checkpoint to evaluate on.
            task_to_use = model._get_task_params(task.name).get(
                "use_classifier", task.name)
            ckpt_path = get_best_checkpoint_path(args, "eval", task_to_use)
            assert ckpt_path is not None
            load_model_state(model,
                             ckpt_path,
                             args.cuda,
                             skip_task_models=[],
                             strict=strict)
            evaluate_and_write(args, model, [task], splits_to_write)

    if args.delete_checkpoints_when_done and not args.keep_all_checkpoints:
        log.info("Deleting all checkpoints.")
        delete_all_checkpoints(args.run_dir)

    log.info("Done!")
Exemplo n.º 3
0
    def test_checkpointing_does_run(self, build_trainer_params_function):
        # Check that checkpointing does run and does sanity checks that at each step
        # it saves the most recent checkpoint as well as the best checkpoint
        # correctly for both pretrain and target_train stages.
        with mock.patch("jiant.models.MultiTaskModel") as MockModel:
            import torch
            import copy
            import time
            from allennlp.common.params import Params

            MockModel.return_value.eval.return_value = None
            MockModel.return_value.state_dict.return_value = {
                "model1": {
                    "requires_grad": True
                }
            }
            pad_dict = self.wic.val_data[0].get_padding_lengths()
            sorting_keys = []
            for field in pad_dict:
                for pad_field in pad_dict[field]:
                    sorting_keys.append((field, pad_field))
            iterator = BucketIterator(
                sorting_keys=sorting_keys,
                max_instances_in_memory=10000,
                batch_size=4,
                biggest_batch_first=True,
            )
            opt_params = Params({"type": "adam", "lr": 1e-05})
            opt_params2 = copy.deepcopy(opt_params)
            scheduler_params = Params({
                "type": "reduce_on_plateau",
                "factor": 0.05,
                "mode": "max",
                "patience": 4,
                "threshold": 0.05,
                "threshold_mode": "abs",
                "verbose": True,
            })
            train_params = [
                (
                    "_text_field_embedder.model.encoder.layer.9.output.dense.bias",
                    torch.Tensor([0.1, 0.3, 0.4, 0.8]),
                ),
                ("sent_encoder.layer.1", torch.Tensor([0.1, 0.3, 0.4, 0.8])),
                ("type", torch.Tensor([0.1])),
            ]
            scheduler = LearningRateScheduler.from_params(
                Optimizer.from_params(train_params, opt_params2),
                copy.deepcopy(scheduler_params))
            optimizer = Optimizer.from_params(train_params,
                                              copy.deepcopy(opt_params))
            _task_infos = {
                "wic": {
                    "iterator": iterator(self.wic.val_data, num_epochs=1),
                    "n_tr_batches": 1,
                    "loss": 0.0,
                    "tr_generator": iterator(self.wic.val_data, num_epochs=1),
                    "total_batches_trained": 400,
                    "n_batches_since_val": 0,
                    "optimizer": optimizer,
                    "scheduler": scheduler,
                    "stopped": False,
                    "last_log": time.time(),
                }
            }
            _metric_infos = {
                metric: {
                    "hist": [],
                    "stopped": False,
                    "best": (-1, {})
                }
                for metric in [self.wic.val_metric]
            }
            MockModel.return_value._setup_training.return_value = _task_infos, _metric_infos

            class MockParams:
                def __init__(self, requires_grad):
                    self.requires_grad = requires_grad

            MockModel.return_value.named_parameters.return_value = [
                ("model1", MockParams(True))
            ]
            MockModel.use_bert = 1
            model = MockModel()
            pt_trainer, _, _, _ = trainer.build_trainer(
                self.args,
                [
                    "wic"
                ],  # here, we use WIC twice to reduce the amount of boiler-plate code
                model,
                self.args.run_dir,
                self.wic.val_metric_decreases,
                phase="pretrain",
            )

            tt_trainer, _, _, _ = trainer.build_trainer(
                self.args,
                ["wic"],
                model,
                self.args.run_dir,
                self.wic.val_metric_decreases,
                phase="target_train",
            )
            os.mkdir(os.path.join(self.temp_dir, "wic"))

            tt_trainer.task_to_metric_mapping = {
                self.wic.val_metric: self.wic.name
            }
            pt_trainer._task_infos = _task_infos
            pt_trainer._metric_infos = _metric_infos
            pt_trainer._optimizer = optimizer
            pt_trainer._scheduler = scheduler
            pt_trainer._save_checkpoint(
                {
                    "step": 10,
                    "validation_pass": 1,
                    "should_stop": 0
                },
                tasks=[self.wic],
                phase="pretrain",
                new_best=True,
            )
            pt_trainer._save_checkpoint(
                {
                    "step": 10,
                    "validation_pass": 2,
                    "should_stop": 0
                },
                tasks=[self.wic],
                phase="pretrain",
                new_best=True,
            )
            tt_trainer._task_infos = _task_infos
            tt_trainer._metric_infos = _metric_infos
            tt_trainer._optimizer = optimizer
            tt_trainer._scheduler = scheduler

            tt_trainer._save_checkpoint(
                {
                    "step": 10,
                    "validation_pass": 1,
                    "should_stop": 0
                },
                tasks=[self.wic],
                phase="target_train",
                new_best=True,
            )
            tt_trainer._save_checkpoint(
                {
                    "step": 10,
                    "validation_pass": 2,
                    "should_stop": 0
                },
                tasks=[self.wic],
                phase="target_train",
                new_best=False,
            )
            assert (os.path.exists(
                os.path.join(self.temp_dir, "wic",
                             "model_state_target_train_val_1.best.th"))
                    and os.path.exists(
                        os.path.join(self.temp_dir, "wic",
                                     "model_state_target_train_val_2.th"))
                    and os.path.exists(
                        os.path.join(self.temp_dir,
                                     "model_state_pretrain_val_2.best.th"))
                    and os.path.exists(
                        os.path.join(self.temp_dir,
                                     "model_state_pretrain_val_1.th")))

            # Assert only one checkpoint is created for pretrain stage.
            pretrain_best_checkpoints = glob.glob(
                os.path.join(self.temp_dir,
                             "model_state_pretrain_val_*.best.th"))
            assert len(pretrain_best_checkpoints) == 1
Exemplo n.º 4
0
def main(cl_arguments):
    """ Train a model for multitask-training."""
    cl_args = handle_arguments(cl_arguments)
    args = config.params_from_file(cl_args.config_file, cl_args.overrides)
    # Check for deprecated arg names
    check_arg_name(args)
    args, seed = initial_setup(args, cl_args)

    #XXX Dylan's code
    try:
        log.info(f'\nK syn is {args.k_syn}')
        log.info(f'\nK sem is {args.k_sem}\n')
    except Exception:
        log.info('No projection matrices.')
        pass
    #XXX

    # Load tasks
    log.info("Loading tasks...")
    start_time = time.time()
    pretrain_tasks, target_tasks, vocab, word_embs = build_tasks(args)
    #pretrain_tasks[0].load_data()
    #exit()
    tasks = sorted(set(pretrain_tasks + target_tasks), key=lambda x: x.name)
    log.info("\tFinished loading tasks in %.3fs", time.time() - start_time)
    log.info("\t Tasks: {}".format([task.name for task in tasks]))

    training_flag = args.do_pretrain
    if training_flag and args.records_pickle_path:
        with open(args.records_pickle_path, 'wb') as f:
            records_dict = dict()
            records_dict['run_name'] = args.run_name
            records_dict['last_checkpoint'] = ''
            records_dict['training'] = dict()
            records_dict['best_val'] = dict()
            records_dict['last_val'] = dict()
            pickle.dump(records_dict, f)

    # Build model
    log.info("Building model...")
    start_time = time.time()
    model = build_model(args, vocab, word_embs, tasks)
    log.info("Finished building model in %.3fs", time.time() - start_time)

    # Start Tensorboard if requested
    if cl_args.tensorboard:
        tb_logdir = os.path.join(args.run_dir,
                                 "tensorboard_" + str(args.run_name))
        _run_background_tensorboard(tb_logdir, cl_args.tensorboard_port)

    check_configurations(args, pretrain_tasks, target_tasks)
    if args.do_pretrain:
        # Train on pretrain tasks
        log.info("Training...")
        stop_metric = pretrain_tasks[0].val_metric if len(
            pretrain_tasks) == 1 else "macro_avg"
        should_decrease = (pretrain_tasks[0].val_metric_decreases
                           if len(pretrain_tasks) == 1 else False)
        trainer, _, opt_params, schd_params = build_trainer(args, [],
                                                            model,
                                                            args.run_dir,
                                                            should_decrease,
                                                            phase="pretrain")
        to_train = [(n, p) for n, p in model.named_parameters()
                    if p.requires_grad]
        _ = trainer.train(pretrain_tasks,
                          stop_metric,
                          args.batch_size,
                          args.weighting_method,
                          args.scaling_method,
                          to_train,
                          opt_params,
                          schd_params,
                          args.load_model,
                          phase="pretrain",
                          args=args)

    # For checkpointing logic
    if not args.do_target_task_training:
        strict = True
    else:
        strict = False

    if args.do_target_task_training:
        # Train on target tasks
        pre_target_train_path = setup_target_task_training(
            args, target_tasks, model, strict)
        target_tasks_to_train = copy.deepcopy(target_tasks)
        # Check for previous target train checkpoints
        task_to_restore, _, _ = check_for_previous_checkpoints(
            args.run_dir, target_tasks_to_train, "target_train",
            args.load_model)
        if task_to_restore is not None:
            # If there is a task to restore from, target train only on target tasks
            # including and following that task.
            last_task_index = [task.name for task in target_tasks_to_train
                               ].index(task_to_restore)
            target_tasks_to_train = target_tasks_to_train[last_task_index:]
        for task in target_tasks_to_train:
            # Skip tasks that should not be trained on.
            if task.eval_only_task:
                continue

            params_to_train = load_model_for_target_train_run(
                args, pre_target_train_path, model, strict, task)
            trainer, _, opt_params, schd_params = build_trainer(
                args,
                [task.name],
                model,
                args.run_dir,
                task.val_metric_decreases,
                phase="target_train",
            )

            _ = trainer.train(
                tasks=[task],
                stop_metric=task.val_metric,
                batch_size=args.batch_size,
                weighting_method=args.weighting_method,
                scaling_method=args.scaling_method,
                train_params=params_to_train,
                optimizer_params=opt_params,
                scheduler_params=schd_params,
                load_model=(task.name == task_to_restore),
                phase="target_train",
            )

    tasks_for_eval = [
        task for task in target_tasks
        if (not 'adv' in task.name and not 'discriminator' in task.name)
    ]

    if args.do_full_eval:
        log.info("Evaluating...")
        splits_to_write = evaluate.parse_write_preds_arg(args.write_preds)

        # Evaluate on target_tasks.
        #for task in target_tasks:
        for task in tasks_for_eval:
            # Find the task-specific best checkpoint to evaluate on.
            task_to_use = model._get_task_params(task.name).get(
                "use_classifier", task.name)
            ckpt_path = get_best_checkpoint_path(args, "eval", task_to_use)
            assert ckpt_path is not None
            load_model_state(model,
                             ckpt_path,
                             args.cuda,
                             skip_task_models=[],
                             strict=strict)
            records_dict = get_records_dict(
                args.records_pickle_path) if args.evaluate_final else None
            evaluate_and_write(
                args,
                model, [task],
                splits_to_write,
                mode='best_val',
                do_write=(not args.evaluate_final)
                or (records_dict != None
                    and ckpt_path == records_dict['last_checkpoint']))

        if args.evaluate_final:
            records_dict = get_records_dict(args.records_pickle_path)
            if ckpt_path != records_dict['last_checkpoint']:
                try:
                    load_model_state(model,
                                     records_dict['last_checkpoint'],
                                     args.cuda,
                                     skip_task_models=[],
                                     strict=strict)
                    for task in tasks_for_eval:
                        evaluate_and_write(args,
                                           model, [task],
                                           splits_to_write,
                                           mode='last_val',
                                           do_write=True)

                except Exception:
                    log.info(
                        f"Did not record last_checkpoint path properly. Looks like: {records_dict['last_checkpoint']}"
                    )
            else:
                records_dict['last_val'] = records_dict['best_val']
                write_records_dict(records_dict, args.records_pickle_path)

    log.info("Done!")
Exemplo n.º 5
0
def main(cl_arguments):
    """ Train a model for multitask-training."""
    cl_args = handle_arguments(cl_arguments)
    args = config.params_from_file(cl_args.config_file, cl_args.overrides)

    # Check for deprecated arg names
    check_arg_name(args)
    args, seed = initial_setup(args, cl_args)
    #Store the run description, if any
    if FLAGS.description:
        with open(Path(args.run_dir, 'description.txt'), 'w') as f:
            f.write(FLAGS.description)
    # Load tasks
    log.info("Loading tasks...")
    start_time = time.time()
    # cuda_device = parse_cuda_list_arg(args.cuda)
    cuda_device = FLAGS.device_idxs

    pretrain_tasks, target_tasks, vocab, word_embs = build_tasks(
        args, cuda_device)
    tasks = sorted(set(pretrain_tasks + target_tasks), key=lambda x: x.name)
    log.info("\tFinished loading tasks in %.3fs", time.time() - start_time)
    log.info("\t Tasks: {}".format([task.name for task in tasks]))

    # Build model
    log.info("Building model...")
    start_time = time.time()
    model = build_model(args, vocab, word_embs, tasks, cuda_device)
    log.info("Finished building model in %.3fs", time.time() - start_time)

    # Start Tensorboard if requested
    if cl_args.tensorboard:
        tb_logdir = os.path.join(args.run_dir, "tensorboard")
        _run_background_tensorboard(tb_logdir, cl_args.tensorboard_port)

    check_configurations(args, pretrain_tasks, target_tasks)
    if args.do_pretrain:
        # Train on pretrain tasks
        log.info("Training...")
        stop_metric = pretrain_tasks[0].val_metric if len(
            pretrain_tasks) == 1 else "macro_avg"
        should_decrease = (pretrain_tasks[0].val_metric_decreases
                           if len(pretrain_tasks) == 1 else False)
        trainer, _, opt_params, schd_params = build_trainer(args,
                                                            cuda_device, [],
                                                            model,
                                                            args.run_dir,
                                                            should_decrease,
                                                            phase="pretrain")
        to_train = [(n, p) for n, p in model.named_parameters()
                    if p.requires_grad]
        _ = trainer.train(
            pretrain_tasks,
            stop_metric,
            args.batch_size,
            args.weighting_method,
            args.scaling_method,
            to_train,
            opt_params,
            schd_params,
            args.load_model,
            phase="pretrain",
        )

    # For checkpointing logic
    if not args.do_target_task_training:
        strict = True
    else:
        strict = False

    if args.do_target_task_training:
        # Train on target tasks
        pre_target_train_path = setup_target_task_training(
            args, target_tasks, model, strict)
        target_tasks_to_train = copy.deepcopy(target_tasks)
        # Check for previous target train checkpoints
        task_to_restore, _, _ = check_for_previous_checkpoints(
            args.run_dir, target_tasks_to_train, "target_train",
            args.load_model)
        if task_to_restore is not None:
            # If there is a task to restore from, target train only on target tasks
            # including and following that task.
            last_task_index = [task.name for task in target_tasks_to_train
                               ].index(task_to_restore)
            target_tasks_to_train = target_tasks_to_train[last_task_index:]
        for task in target_tasks_to_train:
            # Skip tasks that should not be trained on.
            if task.eval_only_task:
                continue

            params_to_train = load_model_for_target_train_run(
                args, pre_target_train_path, model, strict, task, cuda_device)
            trainer, _, opt_params, schd_params = build_trainer(
                args,
                cuda_device,
                [task.name],
                model,
                args.run_dir,
                task.val_metric_decreases,
                phase="target_train",
            )

            _ = trainer.train(
                tasks=[task],
                stop_metric=task.val_metric,
                batch_size=args.batch_size,
                weighting_method=args.weighting_method,
                scaling_method=args.scaling_method,
                train_params=params_to_train,
                optimizer_params=opt_params,
                scheduler_params=schd_params,
                load_model=(task.name == task_to_restore),
                phase="target_train",
            )

    if args.do_full_eval:
        log.info("Evaluating...")
        splits_to_write = evaluate.parse_write_preds_arg(args.write_preds)

        results_dict = {'run_name': [args.run_name]}
        # Evaluate on target_tasks.
        for task in target_tasks:
            # Find the task-specific best checkpoint to evaluate on.
            task_params = get_model_attribute(model, "_get_task_params",
                                              cuda_device)
            task_to_use = task_params(task.name).get("use_classifier",
                                                     task.name)
            ckpt_path = get_best_checkpoint_path(args, "eval", task_to_use)
            assert ckpt_path is not None
            load_model_state(model,
                             ckpt_path,
                             cuda_device,
                             skip_task_models=[],
                             strict=strict)
            current_tasks_val_results = evaluate_and_write(
                args, model, [task], splits_to_write, cuda_device)
            results_dict = {**results_dict, **current_tasks_val_results}

        tabular_results_csv = os.path.join(SMALL_SHARED_SERVER_DIR,
                                           "tabular_results.csv")

        existing_results_df = pd.read_csv(tabular_results_csv, index_col=False)
        new_results_df = pd.DataFrame.from_dict(results_dict)
        updated_results_df = new_results_df.append(existing_results_df,
                                                   sort=False)
        with open(tabular_results_csv, 'w') as f:
            log.info(f"Prepending results to {tabular_results_csv}.")
            updated_results_df.to_csv(f, header=True, index=False)

    if args.delete_checkpoints_when_done and not args.keep_all_checkpoints:
        log.info("Deleting all checkpoints.")
        delete_all_checkpoints(args.run_dir)

    log.info("Done!")