ugh

vall_e/config.py

@@ -267,6 +267,7 @@ class ModelExperimentalSettings:
 	ignore_inputs_for_loss: bool = True # only calculate the loss on the outputs since thats what matters, as the inputs that do have loss calculated upon affects the loss for the entire sequence
 
 	noncausal_masks: bool = False # to correct an oversight with Llama always using causal masks......
+	classifiers_bias: bool = True # ugh
 
 	# classifier-free guidance training settings
 	cfg_cond_dropout_p: float = 0.0 # 0.2 # probability to drop out text and audio during training
@@ -477,7 +478,7 @@ class Hyperparameters:
 	teacher_alpha: float = 0.5 # mixing factor when performing knowledge distillation
 	teacher_temperature: float = 1.0
 	teacher_loss_fn: str = "mse" # kl | mse, use either kl_div or mse_loss (most implementations use kl, some literature says you can use mse)
-	
+
 @dataclass()
 class Evaluation:
 	batch_size: int = 64 # number of samples per batch during eval / val

vall_e/export.py

@@ -74,9 +74,7 @@ def convert_to_hf( state_dict, config = None, save_path = None ):
 	embedding = torch.nn.Embedding( n_tokens, model_dim )
 	classifier = torch.nn.Linear( model_dim, n_tokens )
 
-	#embedding.weight.requires_grad = False
-	#classifier.weight.requires_grad = False
-	#classifier.bias.requires_grad = False
+	# to-do: ignore classifier for RVQ level 7
 
 	# inject text tokens
 	token_start = 0
@@ -192,9 +190,21 @@ def convert_to_hf( state_dict, config = None, save_path = None ):
 	out_dir.mkdir(parents=True, exist_ok=True)
 	# write weights
 	torch_save( model_dict, out_dir / "model.safetensors" )
-	# write vocab.json
+	# write tokenizer.json
 	tokenizer['model']['vocab'] |= tokenizer_vocab
 	json_write(tokenizer, out_dir / "tokenizer.json", pretty=True)
+	# write tokenizer_config.json
+	json_write({
+  		"added_tokens": tokenizer['added_tokens'],
+		"bos_token": "<bos>",
+		"eos_token": "</eos>",
+		"clean_up_tokenization_spaces": True,
+		"model_input_names": [
+			"input_ids",
+			"attention_mask"
+		],
+		"tokenizer_class": "PreTrainedTokenizerFast"
+	}, out_dir / "tokenizer_config.json", pretty=True)
 	# write config.json
 	json_write({
 		"architectures": [

vall_e/models/base.py

@@ -251,10 +251,11 @@ class Classifiers(nn.Module):
 		self,
 		l_tokens: list[int], # list of number of tokens (needed because AR resps includes stop token)
 		token_dim: int, # dimensionality of the embedding
-		l_names: list[str] | None = None, # list of names to map to each classifier
+		l_names: list[str] | None = None, # list of names to map to each classifier,
+		bias: bool = True,
 	):
 		super().__init__()
-		self.proj = nn.ModuleList([nn.Linear(token_dim, n_tokens) for n_tokens in l_tokens])
+		self.proj = nn.ModuleList([nn.Linear(token_dim, n_tokens, bias=bias) for n_tokens in l_tokens])
 		self.names = l_names
 
 	def indices(
@@ -446,6 +447,7 @@ class Base(nn.Module):
 		unified_position_ids = self.config.experimental.unified_position_ids if self.config is not None else True
 		interleave = self.config.experimental.interleave if self.config is not None else False
 		noncausal_masks = self.config.experimental.noncausal_masks if self.config is not None else False
+		classifiers_bias = self.config.experimental.classifiers_bias if self.config is not None else False
 		
 		masking_ratio = self.config.experimental.masking_ratio if self.config is not None else False
 		ignore_inputs_for_loss = self.config.experimental.ignore_inputs_for_loss if self.config is not None else False
@@ -781,7 +783,7 @@ class Base(nn.Module):
 			self.metrics = None
 		else:
 			self.classifier = None
-			self.classifiers = Classifiers( classifier_l_tokens, d_model, l_names=classifier_l_names )
+			self.classifiers = Classifiers( classifier_l_tokens, d_model, l_names=classifier_l_names, bias=classifiers_bias )
 			self.accuracy_metric = None
 			self.precision_metric = None
 			self.metrics = Metrics( classifier_l_tokens )