make input dynamic and enable sdpa

Author: eaidova

optimum/exporters/openvino/__main__.py

@@ -269,7 +269,11 @@ def main_export(
                 f"Asked to export a {model_type} model for the task {task}{autodetected_message}, but the Optimum OpenVINO exporter only supports the tasks {', '.join(model_tasks.keys())} for {model_type}. Please use a supported task. Please open an issue at https://github.com/huggingface/optimum/issues if you would like the task {task} to be supported in the ONNX export for {model_type}."
             )
 
-        if is_transformers_version(">=", "4.36") and model_type in SDPA_ARCHS_ONNX_EXPORT_NOT_SUPPORTED:
+        if (
+            is_transformers_version(">=", "4.36")
+            and is_transformers_version("<=", "4.45.0")
+            and model_type in SDPA_ARCHS_ONNX_EXPORT_NOT_SUPPORTED
+        ):
             loading_kwargs["attn_implementation"] = "eager"
 
         # some models force flash_attn attention by default that does not support load model on cpu

optimum/exporters/openvino/model_configs.py

@@ -2285,6 +2285,13 @@ def patch_model_for_export(
             return StatefulSeq2SeqDecoderPatcher(self, model, model_kwargs)
         return super().patch_model_for_export(model, model_kwargs)
 
+    @property
+    def inputs(self):
+        common_inputs = super().inputs
+        if getattr(self, "stateful", False) and self._behavior == ConfigBehavior.DECODER:
+            common_inputs["decoder_input_ids"] = {0: "batch_size", 1: "seq_length"}
+        return common_inputs
+
 
 @register_in_tasks_manager(
     "t5",
@@ -2299,6 +2306,13 @@ def patch_model_for_export(
             return StatefulSeq2SeqDecoderPatcher(self, model, model_kwargs)
         return super().patch_model_for_export(model, model_kwargs)
 
+    @property
+    def inputs(self):
+        common_inputs = super().inputs
+        if getattr(self, "stateful", False) and self._behavior == ConfigBehavior.DECODER:
+            common_inputs["decoder_input_ids"] = {0: "batch_size", 1: "seq_length"}
+        return common_inputs
+
 
 @register_in_tasks_manager(
     "mt5",