change folder name and add dialog training

dialog_ctrl/dialog_dataset.py → dialogctrl/dialog_dataset.py

@@ -6,6 +6,7 @@ import torch
 import numpy as np
 
 from megatron import get_tokenizer
+from megatron import print_rank_0
 
 def read_data(tokenizer, data_path, train_module):
     """read and tokenize dialog data"""
@@ -24,10 +25,17 @@ def read_data(tokenizer, data_path, train_module):
                 # only take the last three turns in the dialog context
                 turns = dialog_context.split(" [SEP] ")
                 turns = turns[-3:]
-                context = " [SEP] ".join(turns)
 
-                input_ids = tokenizer.tokenize(context)
+                # input_ids
+                for idx, turn in enumerate(turns):
+                    if idx == 0:
+                        input_ids = tokenizer.tokenize(turn)
+                    else:
+                        input_ids.extend([tokenizer.sep_id] + tokenizer.tokenize(turn))
+                
+                # output_ids
                 output_ids = tokenizer.tokenize(response)
+
                 data_list.append({"input_ids": input_ids, "output_ids": output_ids})
 
             elif train_module == "control":
@@ -40,14 +48,19 @@ def read_data(tokenizer, data_path, train_module):
                 turns = dialog_context.split(" [SEP] ")
                 last_turn = turns[-1]
                 
+                # input_ids
                 if ctrl_code:
-                    inputs = last_turn + " [CTRL] " + ctrl_code
+                    input_ids = tokenizer.tokenize(last_turn)
+                    ctrl_code_list = ctrl_code.split(" [CTRL] ")
+                    for code in ctrl_code_list:
+                        input_ids.extend([tokenizer.ctrl_id] + tokenizer.tokenize(code))
                 else:
-                    inputs = last_turn
-                outputs = ctrl_sent
+                    input_ids = tokenizer.tokenize(last_turn)
 
-                input_ids = tokenizer.tokenize(inputs)
+                # output_ids
+                outputs = ctrl_sent
                 output_ids = tokenizer.tokenize(outputs)
+
                 data_list.append({"input_ids": input_ids, "output_ids": output_ids})
 
             else:
@@ -68,7 +81,7 @@ class ControlDialogDataset(torch.utils.data.Dataset):
     def __init__(self, data, max_seq_len, pad_id, eod_id):
         # need to deal with padding, label masking
         self.data = data
-        self.max_seq_len
+        self.max_seq_len = max_seq_len
         self.pad_id = pad_id
         self.eod_id = eod_id
 
@@ -79,7 +92,7 @@ class ControlDialogDataset(torch.utils.data.Dataset):
         data_dict = self.data[idx]
         input_ids, output_ids = data_dict["input_ids"], data_dict["output_ids"]
         
-        assert len(input_ids) < self.max_seq_len, "Set a larger max_seq_len!"
+        assert len(input_ids) < self.max_seq_len, "Set a larger max-seq-len!"
 
         # length_of_loss_mask == length_of_text - 1
         text = input_ids + [self.pad_id] + output_ids + [self.eod_id]
@@ -118,4 +131,4 @@ def build_train_valid_test_datasets(data_folder, dataset_name, train_module, max
     valid_dataset = ControlDialogDataset(valid_data_list, max_seq_len, tokenizer.pad_id, tokenizer.eod_id)
     test_dataset = ControlDialogDataset(test_data_list, max_seq_len, tokenizer.pad_id, tokenizer.eod_id)
 
-    return (train_dataset, valid_dataset, test_dataset)
+    return train_dataset, valid_dataset, test_dataset

dialog_ctrl/utils.py → dialogctrl/utils.py

@@ -16,20 +16,20 @@ def get_ltor_attention_masks_and_position_ids(data, eod_token_id):
 
     # reset attentino mask and position ids
     # Loop through the batches:
-    for b in range(micro_batch_size):
-        # Find indecies where EOD token is.
-        eod_index = position_ids[b, data[b] == eod_token_id]
-        eod_index = eod_index.clone()
-
-        # Loop through EOD indecies:
-        prev_index = 0
-        for j in range(eod_index.size()[0]):
-            i = eod_index[j]
-            # Mask attention loss.
-            attention_mask[b, 0, (i + 1):, :(i + 1)] = 0
-            # Reset positions.
-            position_ids[b, (i + 1):] -= (i + 1 - prev_index)
-            prev_index = i + 1
+    # for b in range(micro_batch_size):
+    #     # Find indecies where EOD token is.
+    #     eod_index = position_ids[b, data[b] == eod_token_id]
+    #     eod_index = eod_index.clone()
+
+    #     # Loop through EOD indecies:
+    #     prev_index = 0
+    #     for j in range(eod_index.size()[0]):
+    #         i = eod_index[j]
+    #         # Mask attention loss.
+    #         attention_mask[b, 0, (i + 1):, :(i + 1)] = 0
+    #         # Reset positions.
+    #         position_ids[b, (i + 1):] -= (i + 1 - prev_index)
+    #         prev_index = i + 1
     
     # Convert attention mask to binary:
     attention_mask = (attention_mask < 0.5)

megatron/arguments.py

@@ -41,6 +41,7 @@ def parse_args(extra_args_provider=None, defaults={},
     parser = _add_biencoder_args(parser)
     parser = _add_vit_args(parser)
     parser = _add_logging_args(parser)
+    parser = _add_dialog_ctrl_args(parser)
 
     # Custom arguments.
     if extra_args_provider is not None:
@@ -757,6 +758,8 @@ def _add_vit_args(parser):
 def _add_dialog_ctrl_args(parser):
     group = parser.add_argument_group(title="dialog control")
 
+    group.add_argument('--run-dialog', action='store_true',
+                       help='run dialog modeling')
     group.add_argument('--train-module', type=str, default="",
                        help='either control module or dialogue model (control or dialog)')
     group.add_argument('--data-folder', type=str, default="",
@@ -765,7 +768,7 @@ def _add_dialog_ctrl_args(parser):
                        help='dataset name (e.g., wizard_of_wikipedia)')
     group.add_argument('--max-seq-len', type=int, default=1024,
                        help='maximum sequence length')
-    group.add_argument('--spec_toks', type=str, default="[SEP],[CTRL],[PAD]",
+    group.add_argument('--spec-toks', type=str, default="[SEP],[CTRL],[PAD]",
                        help='additional special tokens')
 
     return parser

megatron/tokenizer/tokenizer.py

@@ -272,13 +272,14 @@ class _GPT2BPETokenizer(AbstractTokenizer):
         self.tokenizer = GPT2Tokenizer(vocab_file, merge_file, errors='replace',
                                        special_tokens=special_tokens, max_len=None)
         self.eod_id = self.tokenizer.encoder['<|endoftext|>']
+
         if len(special_tokens) > 0:
-            if "[PAD]" in special_tokens:
-                self.pad_id = self.tokenizer.encoder['[PAD]']
             if "[SEP]" in special_tokens:
-                self.sep_id = self.tokenizer.encoder['[SEP]']
+                self.sep_id = self.tokenizer.special_tokens['[SEP]']
             if "[CTRL]" in special_tokens:
-                self.ctrl_id = self.tokenizer.encoder['[CTRL]']
+                self.ctrl_id = self.tokenizer.special_tokens['[CTRL]']
+            if "[PAD]" in special_tokens:
+                self.pad_id = self.tokenizer.special_tokens['[PAD]']
 
     @property
     def vocab_size(self):

megatron/training.py

@@ -53,7 +53,6 @@ from megatron.schedules import forward_backward_pipelining_with_interleaving
 from megatron.utils import report_memory
 
 
-
 def print_datetime(string):
     """Note that this call will sync across all ranks."""
     torch.distributed.barrier()
@@ -325,6 +324,8 @@ def setup_model_and_optimizer(model_provider_func):
         torch.distributed.barrier()
         timers('load-checkpoint').start()
         args.iteration = load_checkpoint(model, optimizer, lr_scheduler)
+        # need to set train_samples to None
+        args.train_samples = None
         torch.distributed.barrier()
         timers('load-checkpoint').stop()
         timers.log(['load-checkpoint'])
@@ -792,9 +793,31 @@ def build_train_valid_test_data_iterators(
         args.consumed_valid_samples = (args.iteration // args.eval_interval) * \
             args.eval_iters * args.global_batch_size
 
+    if args.run_dialog:
+        args.consumed_train_samples = 0
+        args.consumed_valid_samples = 0
+        args.iteration = 0
+
     # Data loader only on rank 0 of each model parallel group.
     if mpu.get_tensor_model_parallel_rank() == 0:
         
+        if args.run_dialog:
+            # Build the datasets.
+            train_ds, valid_ds, test_ds = build_train_valid_test_datasets_provider()
+
+            print_rank_0(' > datasets target sizes:')
+            train_size = len(train_ds)
+            valid_size = len(valid_ds)
+            test_size = len(test_ds)
+            print_rank_0('    train:      {}'.format(train_size))
+            print_rank_0('    validation: {}'.format(valid_size))
+            print_rank_0('    test:       {}'.format(test_size))
+
+            args.train_iters = train_size // args.global_batch_size
+            args.eval_iters = valid_size // args.global_batch_size
+            args.test_iters = test_size // args.global_batch_size
+
+        else:
             # Number of train/valid/test samples.
             if args.train_samples:
                 train_samples = args.train_samples

train_dialog_gpt.py → train_gpt_conv.py

@@ -9,11 +9,11 @@ from megatron import get_timers
 from megatron import get_tokenizer
 from megatron import mpu
 # from megatron.data.gpt_dataset import build_train_valid_test_datasets
-from dialog_ctrl.dialog_dataset import build_train_valid_test_datasets
+from dialogctrl.dialog_dataset import build_train_valid_test_datasets
 from megatron.model import GPTModel
 from megatron.training import pretrain
 # from megatron.utils import get_ltor_masks_and_position_ids
-from dialog_ctrl.utils import get_ltor_attention_masks_and_position_ids
+from dialogctrl.utils import get_ltor_attention_masks_and_position_ids
 from megatron.utils import average_losses_across_data_parallel_group
 
 def model_provider(pre_process=True, post_process=True):
@@ -52,7 +52,7 @@ def get_batch(data_iterator):
     loss_mask = data_b['loss_mask'].float()
 
     # Get the attention_mask and postition ids.
-    attention_masks, position_ids = get_ltor_attention_masks_and_position_ids(tokens, tokenizer.eod_id)
+    attention_mask, position_ids = get_ltor_attention_masks_and_position_ids(tokens, tokenizer.eod_id)
     
     return tokens, labels, loss_mask, attention_mask, position_ids
 
@@ -86,7 +86,7 @@ def forward_step(data_iterator, model):
 
 
 def train_valid_test_datasets_provider():
-    """Build train, valid, and test datasets for control module"""
+    """Build train, valid, and test datasets for dialog/control module"""
     args = get_args()
 
     print_rank_0('> building train, validation, and test datasets for %s module ...' % args.train_module)
@@ -99,6 +99,8 @@ def train_valid_test_datasets_provider():
         seed=args.seed)
     print_rank_0("> finished creating datasets for %s module ..." % args.train_module)
 
+    return train_ds, valid_ds, test_ds
+
 
 if __name__ == "__main__":