Fix input generator for falcon40b (#685)

* fix input generator for falcon40b

* add test model

Author: eaidova

optimum/exporters/openvino/model_configs.py

@@ -19,13 +19,14 @@
 from transformers.utils import is_tf_available
 
 from optimum.exporters.onnx.config import TextDecoderOnnxConfig, TextDecoderWithPositionIdsOnnxConfig
-from optimum.exporters.onnx.model_configs import GemmaOnnxConfig, LlamaOnnxConfig
+from optimum.exporters.onnx.model_configs import FalconOnnxConfig, GemmaOnnxConfig, LlamaOnnxConfig
 from optimum.exporters.tasks import TasksManager
 from optimum.utils import DEFAULT_DUMMY_SHAPES
 from optimum.utils.input_generators import (
     DummyInputGenerator,
     DummyPastKeyValuesGenerator,
     DummyTextInputGenerator,
+    FalconDummyPastKeyValuesGenerator,
     MistralDummyPastKeyValuesGenerator,
 )
 from optimum.utils.normalized_config import NormalizedTextConfig
@@ -437,3 +438,50 @@ class OrionOpenVINOConfig(TextDecoderWithPositionIdsOnnxConfig):
     DUMMY_INPUT_GENERATOR_CLASSES = (DummyTextInputGenerator, MistralDummyPastKeyValuesGenerator)
     DUMMY_PKV_GENERATOR_CLASS = MistralDummyPastKeyValuesGenerator
     NORMALIZED_CONFIG_CLASS = NormalizedTextConfig
+
+
+class OVFalconDummyPastKeyValuesGenerator(FalconDummyPastKeyValuesGenerator):
+    def __init__(
+        self,
+        task: str,
+        normalized_config: NormalizedTextConfig,
+        batch_size: int = DEFAULT_DUMMY_SHAPES["batch_size"],
+        sequence_length: int = DEFAULT_DUMMY_SHAPES["sequence_length"],
+        random_batch_size_range: Optional[Tuple[int, int]] = None,
+        random_sequence_length_range: Optional[Tuple[int, int]] = None,
+        **kwargs,
+    ):
+        super().__init__(
+            task=task,
+            normalized_config=normalized_config,
+            batch_size=batch_size,
+            sequence_length=sequence_length,
+            random_batch_size_range=random_batch_size_range,
+            random_sequence_length_range=random_sequence_length_range,
+            **kwargs,
+        )
+        if normalized_config.new_decoder_architecture:
+            self.num_kv_heads = normalized_config.num_attention_heads
+        else:
+            self.num_kv_heads = normalized_config.num_kv_heads if not normalized_config.multi_query else 1
+
+        self.head_dim = self.hidden_size // self.num_attention_heads
+
+
+@register_in_tasks_manager(
+    "falcon",
+    *[
+        "feature-extraction",
+        "feature-extraction-with-past",
+        "question-answering",
+        "text-generation",
+        "text-generation-with-past",
+        "token-classification",
+    ],
+    library_name="transformers",
+)
+class FalconOpenVINOConfig(FalconOnnxConfig):
+    DUMMY_INPUT_GENERATOR_CLASSES = (
+        OVFalconDummyPastKeyValuesGenerator,
+    ) + TextDecoderOnnxConfig.DUMMY_INPUT_GENERATOR_CLASSES
+    DUMMY_PKV_GENERATOR_CLASS = OVFalconDummyPastKeyValuesGenerator

tests/openvino/test_modeling.py

@@ -538,6 +538,7 @@ class OVModelForCausalLMIntegrationTest(unittest.TestCase):
         "internlm2",
         "orion",
         "falcon",
+        "falcon-40b",
     )
     GENERATION_LENGTH = 100
     REMOTE_CODE_MODELS = ("chatglm", "minicpm", "baichuan2", "jais", "qwen", "internlm2", "olmo", "orion")

tests/openvino/utils_tests.py

@@ -44,6 +44,7 @@
     "electra": "hf-internal-testing/tiny-random-electra",
     "gemma": "fxmarty/tiny-random-GemmaForCausalLM",
     "falcon": "fxmarty/really-tiny-falcon-testing",
+    "falcon-40b": "katuni4ka/tiny-random-falcon-40b",
     "flaubert": "hf-internal-testing/tiny-random-flaubert",
     "gpt_bigcode": "hf-internal-testing/tiny-random-GPTBigCodeModel",
     "gpt2": "hf-internal-testing/tiny-random-gpt2",