Add ONNX export support for ModernBERT

docs/source/exporters/onnx/overview.mdx

@@ -74,6 +74,7 @@ Supported architectures from [🤗 Transformers](https://huggingface.co/docs/tra
 - MobileVit
 - MobileNet v1
 - MobileNet v2
+- ModernBert
 - MPNet
 - MT5
 - Musicgen (text-conditional only)

optimum/exporters/onnx/__main__.py

@@ -29,6 +29,7 @@
 from ...utils import DEFAULT_DUMMY_SHAPES, logging
 from ...utils.save_utils import maybe_load_preprocessors
 from ..tasks import TasksManager
+from ..utils import DisableCompileContextManager
 from .constants import SDPA_ARCHS_ONNX_EXPORT_NOT_SUPPORTED
 from .convert import onnx_export_from_model
 
@@ -300,22 +301,23 @@ def main_export(
         if model_type in SDPA_ARCHS_ONNX_EXPORT_NOT_SUPPORTED and _transformers_version >= version.parse("4.35.99"):
             loading_kwargs["attn_implementation"] = "eager"
 
-    model = TasksManager.get_model_from_task(
-        task,
-        model_name_or_path,
-        subfolder=subfolder,
-        revision=revision,
-        cache_dir=cache_dir,
-        token=token,
-        local_files_only=local_files_only,
-        force_download=force_download,
-        trust_remote_code=trust_remote_code,
-        framework=framework,
-        torch_dtype=torch_dtype,
-        device=device,
-        library_name=library_name,
-        **loading_kwargs,
-    )
+    with DisableCompileContextManager():
+        model = TasksManager.get_model_from_task(
+            task,
+            model_name_or_path,
+            subfolder=subfolder,
+            revision=revision,
+            cache_dir=cache_dir,
+            token=token,
+            local_files_only=local_files_only,
+            force_download=force_download,
+            trust_remote_code=trust_remote_code,
+            framework=framework,
+            torch_dtype=torch_dtype,
+            device=device,
+            library_name=library_name,
+            **loading_kwargs,
+        )
 
     needs_pad_token_id = task == "text-classification" and getattr(model.config, "pad_token_id", None) is None
 

optimum/exporters/onnx/model_configs.py

@@ -181,6 +181,10 @@ def inputs(self) -> Dict[str, Dict[int, str]]:
         return {"input_ids": dynamic_axis, "attention_mask": dynamic_axis}
 
 
+class ModernBertOnnxConfig(DistilBertOnnxConfig):
+    pass
+
+
 class MPNetOnnxConfig(DistilBertOnnxConfig):
     DEFAULT_ONNX_OPSET = 12  # For lower opsets, results in: Type 'tensor(int64)' of input parameter (/0/auto_model/encoder/Add_1_output_0) of operator (Min) in node (/0/auto_model/encoder/Min) is invalid.
 

optimum/exporters/tasks.py

@@ -891,6 +891,15 @@ class TasksManager:
             "image-classification",
             onnx="MobileNetV2OnnxConfig",
         ),
+        "modernbert": supported_tasks_mapping(
+            "feature-extraction",
+            "fill-mask",
+            "text-classification",
+            "multiple-choice",
+            "token-classification",
+            "question-answering",
+            onnx="ModernBertOnnxConfig",
+        ),
         "mpnet": supported_tasks_mapping(
             "feature-extraction",
             "fill-mask",

optimum/exporters/utils.py

@@ -704,3 +704,15 @@ def check_dummy_inputs_are_allowed(
         raise ValueError(
             f"Config dummy inputs are not a subset of the model inputs: {dummy_input_names} vs {forward_inputs_set}"
         )
+
+
+class DisableCompileContextManager:
+    def __init__(self):
+        self._original_compile = torch.compile
+
+    def __enter__(self):
+        # Turn torch.compile into a no-op
+        torch.compile = lambda *args, **kwargs: lambda x: x
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        torch.compile = self._original_compile

tests/exporters/exporters_utils.py

@@ -125,6 +125,7 @@
     "mobilenet-v2": "hf-internal-testing/tiny-random-MobileNetV2Model",
     "mobilenet-v1": "google/mobilenet_v1_0.75_192",
     "mobilevit": "hf-internal-testing/tiny-random-mobilevit",
+    "modernbert": "hf-internal-testing/tiny-random-ModernBertForMaskedLM",
     "mpnet": "hf-internal-testing/tiny-random-MPNetModel",
     "mpt": "hf-internal-testing/tiny-random-MptForCausalLM",
     "mt5": "lewtun/tiny-random-mt5",
@@ -266,6 +267,7 @@
     # "mobilenet_v1": "google/mobilenet_v1_0.75_192",
     # "mobilenet_v2": "google/mobilenet_v2_0.35_96",
     "mobilevit": "apple/mobilevit-small",
+    "modernbert": "answerdotai/ModernBERT-base",
     "mpt": "mosaicml/mpt-7b",
     "mt5": "lewtun/tiny-random-mt5",  # Not using google/mt5-small because it takes too much time for testing.
     "musicgen": "facebook/musicgen-small",