Fix use_parallel_residual and qkv_bias for StableLM GGUF config e…

…xtraction (#34450)

* fix stablelm qkv_bias

* fix stablelm qkv_bias and use_parallel_residual

* remove original_model.config for stablelm gguf test

src/transformers/modeling_gguf_pytorch_utils.py

@@ -106,6 +106,17 @@ def load_gguf_checkpoint(gguf_checkpoint_path, return_tensors=False):
     if "qwen2moe" in architecture:
         updated_architecture = "qwen2_moe"
 
+    # For stablelm architecture, we need to set qkv_bias and use_parallel_residual from tensors
+    # If `qkv_bias=True`, qkv_proj with bias will be present in the tensors
+    # If `use_parallel_residual=False`, ffn_norm will be present in the tensors
+    if "stablelm" in architecture:
+        attn_bias_name = {"attn_q.bias", "attn_k.bias", "attn_v.bias"}
+        ffn_norm_name = "ffn_norm"
+        qkv_bias = any(bias_name in tensor.name for tensor in reader.tensors for bias_name in attn_bias_name)
+        use_parallel_residual = any(ffn_norm_name in tensor.name for tensor in reader.tensors)
+        parsed_parameters["config"]["qkv_bias"] = qkv_bias
+        parsed_parameters["config"]["use_parallel_residual"] = not use_parallel_residual
+
     model_size = ""
     # extract the number of params from file name as architectures can differ ;
     # eg. for falcon : `...falcon-7b-...`

tests/quantization/ggml/test_ggml.py

@@ -673,10 +673,6 @@ def test_stablelm_fp16(self):
             self.stablelm2_model_id,
             gguf_file=self.fp16_stablelm2_model_id,
             torch_dtype=torch.float16,
-            # for precise comparison it is required to use the original model config
-            # as quantized one is different in parameters: use_parallel_residual and use_qkv_bias
-            # and it highly influences on the output results
-            config=original_model.config,
         )
 
         tokenizer = AutoTokenizer.from_pretrained(self.stablelm2_model_id, gguf_file=self.fp16_stablelm2_model_id)
@@ -703,10 +699,6 @@ def test_stablelm_weights_conversion_fp16(self):
             gguf_file=self.fp16_stablelm2_model_id,
             device_map="auto",
             torch_dtype=torch.float16,
-            # for precise comparison it is required to use the original model config
-            # as quantized one is different in parameters: use_parallel_residual and use_qkv_bias
-            # and it highly influences on the output results
-            config=original_model.config,
         )
 
         converted_state_dict = converted_model.state_dict()