[CI] Reorganization pooling_mteb_test (#31265)

Signed-off-by: wang.yuqi <noooop@126.com>

tests/entrypoints/pooling/embed/test_correctness_mteb.py

@@ -4,7 +4,7 @@ import os
 
 import pytest
 
-from tests.models.language.pooling_mteb_test.mteb_utils import (
+from tests.models.language.pooling_mteb_test.mteb_embed_utils import (
     MTEB_EMBED_TASKS,
     MTEB_EMBED_TOL,
     OpenAIClientMtebEncoder,

tests/entrypoints/pooling/score/test_correctness_mteb.py

@@ -4,7 +4,7 @@ import os
 
 import pytest
 
-from tests.models.language.pooling_mteb_test.mteb_utils import (
+from tests.models.language.pooling_mteb_test.mteb_score_utils import (
     MTEB_RERANK_LANGS,
     MTEB_RERANK_TASKS,
     MTEB_RERANK_TOL,

tests/entrypoints/pooling/score/test_utils.py

@@ -202,11 +202,10 @@ class TestGetScorePrompt:
         tokenization_kwargs,
         mock_model_no_score_template,
     ):
-        # FIXME: Models implementing SupportsScoreTemplate must use their custom
+        # FIXME: For now, we only apply a template when one is explicitly provided.
-        # template implementation by default to preserve existing functionality.
+        # We cannot rely on the tokenizer's chat template because many models
-        # Attempting to use tokenizer_config.json templates would most likely break
+        # inherit junk templates from their base LLM, which breaks both the models
-        # these models, as often they just inherit the template from the original LLM.
+        # and the tests that use them.
-        # CLI --chat-template overrides are still supported.
         with (
             patch(
                 "vllm.model_executor.model_loader.get_model_cls",

tests/models/language/pooling_mteb_test/mteb_embed_utils.py

@@ -0,0 +1,228 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+import mteb
+import numpy as np
+import torch
+from mteb.models import ModelMeta
+from mteb.types import Array
+from torch.utils.data import DataLoader
+
+import tests.ci_envs as ci_envs
+from tests.models.utils import (
+    EmbedModelInfo,
+    check_embeddings_close,
+    get_vllm_extra_kwargs,
+)
+
+# Most embedding models on the STS12 task (See #17175):
+# - Model implementation and minor changes in tensor dtype
+#   results in differences less than 1e-4
+# - Different model results in differences more than 1e-3
+# 1e-4 is a good tolerance threshold
+MTEB_EMBED_TASKS = ["STS12"]
+MTEB_EMBED_TOL = 1e-4
+
+
+_empty_model_meta = ModelMeta(
+    loader=None,
+    name="vllm/model",
+    revision="1",
+    release_date=None,
+    languages=None,
+    framework=[],
+    similarity_fn_name=None,
+    n_parameters=None,
+    memory_usage_mb=None,
+    max_tokens=None,
+    embed_dim=None,
+    license=None,
+    open_weights=None,
+    public_training_code=None,
+    public_training_data=None,
+    use_instructions=None,
+    training_datasets=None,
+    modalities=["text"],  # 'image' can be added to evaluate multimodal models
+)
+
+
+class MtebEmbedMixin(mteb.EncoderProtocol):
+    mteb_model_meta = _empty_model_meta
+
+    def similarity(
+        self,
+        embeddings1: np.ndarray,
+        embeddings2: np.ndarray,
+    ) -> np.ndarray:
+        # Cosine similarity
+        norm1 = np.linalg.norm(embeddings1, axis=1, keepdims=True)
+        norm2 = np.linalg.norm(embeddings2, axis=1, keepdims=True)
+        sim = np.dot(embeddings1, embeddings2.T) / (norm1 * norm2.T)
+        return sim
+
+    def similarity_pairwise(
+        self,
+        embeddings1: Array,
+        embeddings2: Array,
+    ) -> Array:
+        # Cosine similarity
+        norm1 = np.linalg.norm(embeddings1, axis=1, keepdims=True)
+        norm2 = np.linalg.norm(embeddings2, axis=1, keepdims=True)
+        sim = np.sum(embeddings1 * embeddings2, axis=1) / (
+            norm1.flatten() * norm2.flatten()
+        )
+        return sim
+
+
+class VllmMtebEncoder(MtebEmbedMixin):
+    def __init__(self, vllm_model):
+        self.llm = vllm_model
+        self.rng = np.random.default_rng(seed=42)
+
+    def encode(
+        self,
+        inputs: DataLoader[mteb.types.BatchedInput],
+        *args,
+        **kwargs,
+    ) -> np.ndarray:
+        # Hoping to discover potential scheduling
+        # issues by randomizing the order.
+        sentences = [text for batch in inputs for text in batch["text"]]
+        r = self.rng.permutation(len(sentences))
+        sentences = [sentences[i] for i in r]
+        outputs = self.llm.embed(sentences, use_tqdm=False)
+        embeds = np.array(outputs)
+        embeds = embeds[np.argsort(r)]
+        return embeds
+
+
+class OpenAIClientMtebEncoder(MtebEmbedMixin):
+    def __init__(self, model_name: str, client):
+        self.model_name = model_name
+        self.client = client
+        self.rng = np.random.default_rng(seed=42)
+
+    def encode(
+        self,
+        inputs: DataLoader[mteb.types.BatchedInput],
+        *args,
+        **kwargs,
+    ) -> np.ndarray:
+        # Hoping to discover potential scheduling
+        # issues by randomizing the order.
+        sentences = [text for batch in inputs for text in batch["text"]]
+        r = self.rng.permutation(len(sentences))
+        sentences = [sentences[i] for i in r]
+
+        embeddings = self.client.embeddings.create(
+            model=self.model_name, input=sentences
+        )
+        outputs = [d.embedding for d in embeddings.data]
+        embeds = np.array(outputs)
+        embeds = embeds[np.argsort(r)]
+        return embeds
+
+
+def run_mteb_embed_task(encoder: mteb.EncoderProtocol, tasks):
+    tasks = mteb.get_tasks(tasks=tasks)
+    results = mteb.evaluate(
+        encoder,
+        tasks,
+        cache=None,
+        show_progress_bar=False,
+    )
+
+    main_score = results[0].scores["test"][0]["main_score"]
+    return main_score
+
+
+def mteb_test_embed_models(
+    hf_runner,
+    vllm_runner,
+    model_info: EmbedModelInfo,
+    vllm_extra_kwargs=None,
+    hf_model_callback=None,
+    atol=MTEB_EMBED_TOL,
+):
+    vllm_extra_kwargs = get_vllm_extra_kwargs(model_info, vllm_extra_kwargs)
+
+    # Test embed_dims, isnan and whether to use normalize
+    example_prompts = ["The chef prepared a delicious meal." * 1000]
+
+    with vllm_runner(
+        model_info.name,
+        runner="pooling",
+        max_model_len=model_info.max_model_len,
+        **vllm_extra_kwargs,
+    ) as vllm_model:
+        model_config = vllm_model.llm.llm_engine.model_config
+
+        # Confirm whether vllm is using the correct architecture
+        if model_info.architecture:
+            assert model_info.architecture in model_config.architectures
+
+        # Confirm whether the important configs in model_config are correct.
+        if model_info.pooling_type is not None:
+            assert model_config.pooler_config.pooling_type == model_info.pooling_type
+        if model_info.attn_type is not None:
+            assert model_config.attn_type == model_info.attn_type
+        if model_info.is_prefix_caching_supported is not None:
+            assert (
+                model_config.is_prefix_caching_supported
+                == model_info.is_prefix_caching_supported
+            )
+        if model_info.is_chunked_prefill_supported is not None:
+            assert (
+                model_config.is_chunked_prefill_supported
+                == model_info.is_chunked_prefill_supported
+            )
+
+        vllm_main_score = run_mteb_embed_task(
+            VllmMtebEncoder(vllm_model), MTEB_EMBED_TASKS
+        )
+        vllm_dtype = vllm_model.llm.llm_engine.model_config.dtype
+        head_dtype = model_config.head_dtype
+
+        # Test embedding_size, isnan and whether to use normalize
+        vllm_outputs = vllm_model.embed(example_prompts, truncate_prompt_tokens=-1)
+        outputs_tensor = torch.tensor(vllm_outputs)
+        assert not torch.any(torch.isnan(outputs_tensor))
+        embedding_size = model_config.embedding_size
+        assert torch.tensor(vllm_outputs).shape[-1] == embedding_size
+
+    # Accelerate mteb test by setting
+    # SentenceTransformers mteb score to a constant
+    if model_info.mteb_score is None:
+        with hf_runner(
+            model_info.name,
+            is_sentence_transformer=True,
+            dtype=ci_envs.VLLM_CI_HF_DTYPE or model_info.hf_dtype,
+        ) as hf_model:
+            # e.g. setting default parameters for the encode method of hf_runner
+            if hf_model_callback is not None:
+                hf_model_callback(hf_model)
+
+            st_main_score = run_mteb_embed_task(hf_model, MTEB_EMBED_TASKS)
+            st_dtype = next(hf_model.model.parameters()).dtype
+
+            # Check embeddings close to hf outputs
+            hf_outputs = hf_model.encode(example_prompts)
+            check_embeddings_close(
+                embeddings_0_lst=hf_outputs,
+                embeddings_1_lst=vllm_outputs,
+                name_0="hf",
+                name_1="vllm",
+                tol=1e-2,
+            )
+    else:
+        st_main_score = model_info.mteb_score
+        st_dtype = "Constant"
+
+    print("Model:", model_info.name)
+    print("VLLM:", f"dtype:{vllm_dtype}", f"head_dtype:{head_dtype}", vllm_main_score)
+    print("SentenceTransformers:", st_dtype, st_main_score)
+    print("Difference:", st_main_score - vllm_main_score)
+
+    # We are not concerned that the vllm mteb results are better
+    # than SentenceTransformers, so we only perform one-sided testing.
+    assert st_main_score - vllm_main_score < atol

tests/models/language/pooling_mteb_test/mteb_score_utils.py

@@ -7,37 +7,24 @@ from pathlib import Path
 import mteb
 import numpy as np
 import requests
-import torch
 from mteb.models import ModelMeta
-from mteb.types import Array
 from torch.utils.data import DataLoader
 
-import tests.ci_envs as ci_envs
 from tests.models.utils import (
-    EmbedModelInfo,
     RerankModelInfo,
-    check_embeddings_close,
     get_vllm_extra_kwargs,
 )
 
-template_home = (
-    Path(__file__).parent.parent.parent.parent.parent
-    / "examples/pooling/score/template"
-)
-
-# Most embedding models on the STS12 task (See #17175):
-# - Model implementation and minor changes in tensor dtype
-#   results in differences less than 1e-4
-# - Different model results in differences more than 1e-3
-# 1e-4 is a good tolerance threshold
-MTEB_EMBED_TASKS = ["STS12"]
-MTEB_EMBED_TOL = 1e-4
-
 # See #19344
 MTEB_RERANK_TASKS = ["NFCorpus"]
 MTEB_RERANK_LANGS = ["eng"]
 MTEB_RERANK_TOL = 2e-3
 
+template_home = (
+    Path(__file__).parent.parent.parent.parent.parent
+    / "examples/pooling/score/template"
+)
+
 _empty_model_meta = ModelMeta(
     loader=None,
     name="vllm/model",
@@ -60,84 +47,11 @@ _empty_model_meta = ModelMeta(
 )
 
 
-class VllmMtebEncoder(mteb.EncoderProtocol):
+class MtebCrossEncoderMixin(mteb.CrossEncoderProtocol):
     mteb_model_meta = _empty_model_meta
 
-    def __init__(self, vllm_model):
-        self.llm = vllm_model
-        self.rng = np.random.default_rng(seed=42)
-
-    def encode(
-        self,
-        inputs: DataLoader[mteb.types.BatchedInput],
-        *args,
-        **kwargs,
-    ) -> np.ndarray:
-        # Hoping to discover potential scheduling
-        # issues by randomizing the order.
-        sentences = [text for batch in inputs for text in batch["text"]]
-        r = self.rng.permutation(len(sentences))
-        sentences = [sentences[i] for i in r]
-        outputs = self.llm.embed(sentences, use_tqdm=False)
-        embeds = np.array(outputs)
-        embeds = embeds[np.argsort(r)]
-        return embeds
-
-    def similarity(
-        self,
-        embeddings1: np.ndarray,
-        embeddings2: np.ndarray,
-    ) -> np.ndarray:
-        # Cosine similarity
-        norm1 = np.linalg.norm(embeddings1, axis=1, keepdims=True)
-        norm2 = np.linalg.norm(embeddings2, axis=1, keepdims=True)
-        sim = np.dot(embeddings1, embeddings2.T) / (norm1 * norm2.T)
-        return sim
-
-    def similarity_pairwise(
-        self,
-        embeddings1: Array,
-        embeddings2: Array,
-    ) -> Array:
-        # Cosine similarity
-        norm1 = np.linalg.norm(embeddings1, axis=1, keepdims=True)
-        norm2 = np.linalg.norm(embeddings2, axis=1, keepdims=True)
-        sim = np.sum(embeddings1 * embeddings2, axis=1) / (
-            norm1.flatten() * norm2.flatten()
-        )
-        return sim
-
-
-class OpenAIClientMtebEncoder(VllmMtebEncoder):
-    def __init__(self, model_name: str, client):
-        self.model_name = model_name
-        self.client = client
-        self.rng = np.random.default_rng(seed=42)
-
-    def encode(
-        self,
-        inputs: DataLoader[mteb.types.BatchedInput],
-        *args,
-        **kwargs,
-    ) -> np.ndarray:
-        # Hoping to discover potential scheduling
-        # issues by randomizing the order.
-        sentences = [text for batch in inputs for text in batch["text"]]
-        r = self.rng.permutation(len(sentences))
-        sentences = [sentences[i] for i in r]
-
-        embeddings = self.client.embeddings.create(
-            model=self.model_name, input=sentences
-        )
-        outputs = [d.embedding for d in embeddings.data]
-        embeds = np.array(outputs)
-        embeds = embeds[np.argsort(r)]
-        return embeds
-
-
-class VllmMtebCrossEncoder(mteb.CrossEncoderProtocol):
-    mteb_model_meta = _empty_model_meta
 
+class VllmMtebCrossEncoder(MtebCrossEncoderMixin):
     def __init__(self, vllm_model):
         self.llm = vllm_model
         self.rng = np.random.default_rng(seed=42)
@@ -164,7 +78,7 @@ class VllmMtebCrossEncoder(mteb.CrossEncoderProtocol):
         return scores
 
 
-class ScoreClientMtebEncoder(mteb.CrossEncoderProtocol):
+class ScoreClientMtebEncoder(MtebCrossEncoderMixin):
     mteb_model_meta = _empty_model_meta
 
     def __init__(self, model_name: str, url):
@@ -216,102 +130,6 @@ class RerankClientMtebEncoder(ScoreClientMtebEncoder):
         return response["results"][0]["relevance_score"]
 
 
-def run_mteb_embed_task(encoder: mteb.EncoderProtocol, tasks):
-    tasks = mteb.get_tasks(tasks=tasks)
-    results = mteb.evaluate(
-        encoder,
-        tasks,
-        cache=None,
-        show_progress_bar=False,
-    )
-
-    main_score = results[0].scores["test"][0]["main_score"]
-    return main_score
-
-
-def mteb_test_embed_models(
-    hf_runner,
-    vllm_runner,
-    model_info: EmbedModelInfo,
-    vllm_extra_kwargs=None,
-    hf_model_callback=None,
-    atol=MTEB_EMBED_TOL,
-):
-    vllm_extra_kwargs = get_vllm_extra_kwargs(model_info, vllm_extra_kwargs)
-
-    # Test embed_dims, isnan and whether to use normalize
-    example_prompts = ["The chef prepared a delicious meal." * 1000]
-
-    with vllm_runner(
-        model_info.name,
-        runner="pooling",
-        max_model_len=model_info.max_model_len,
-        **vllm_extra_kwargs,
-    ) as vllm_model:
-        model_config = vllm_model.llm.llm_engine.model_config
-
-        # Confirm whether vllm is using the correct architecture
-        if model_info.architecture:
-            assert model_info.architecture in model_config.architectures
-
-        # Confirm whether vllm uses the correct default_pooling_type, which
-        # relates to whether chunked prefill and prefix caching are enabled
-        assert (
-            model_config._model_info.default_pooling_type
-            == model_info.default_pooling_type
-        )
-
-        vllm_main_score = run_mteb_embed_task(
-            VllmMtebEncoder(vllm_model), MTEB_EMBED_TASKS
-        )
-        vllm_dtype = vllm_model.llm.llm_engine.model_config.dtype
-        head_dtype = model_config.head_dtype
-
-        # Test embedding_size, isnan and whether to use normalize
-        vllm_outputs = vllm_model.embed(example_prompts, truncate_prompt_tokens=-1)
-        outputs_tensor = torch.tensor(vllm_outputs)
-        assert not torch.any(torch.isnan(outputs_tensor))
-        embedding_size = model_config.embedding_size
-        assert torch.tensor(vllm_outputs).shape[-1] == embedding_size
-
-    # Accelerate mteb test by setting
-    # SentenceTransformers mteb score to a constant
-    if model_info.mteb_score is None:
-        with hf_runner(
-            model_info.name,
-            is_sentence_transformer=True,
-            dtype=ci_envs.VLLM_CI_HF_DTYPE or model_info.hf_dtype,
-        ) as hf_model:
-            # e.g. setting default parameters for the encode method of hf_runner
-            if hf_model_callback is not None:
-                hf_model_callback(hf_model)
-
-            st_main_score = run_mteb_embed_task(hf_model, MTEB_EMBED_TASKS)
-            st_dtype = next(hf_model.model.parameters()).dtype
-
-            # Check embeddings close to hf outputs
-            hf_outputs = hf_model.encode(example_prompts)
-            check_embeddings_close(
-                embeddings_0_lst=hf_outputs,
-                embeddings_1_lst=vllm_outputs,
-                name_0="hf",
-                name_1="vllm",
-                tol=1e-2,
-            )
-    else:
-        st_main_score = model_info.mteb_score
-        st_dtype = "Constant"
-
-    print("Model:", model_info.name)
-    print("VLLM:", f"dtype:{vllm_dtype}", f"head_dtype:{head_dtype}", vllm_main_score)
-    print("SentenceTransformers:", st_dtype, st_main_score)
-    print("Difference:", st_main_score - vllm_main_score)
-
-    # We are not concerned that the vllm mteb results are better
-    # than SentenceTransformers, so we only perform one-sided testing.
-    assert st_main_score - vllm_main_score < atol
-
-
 def run_mteb_rerank(cross_encoder: mteb.CrossEncoderProtocol, tasks, languages):
     with tempfile.TemporaryDirectory() as prediction_folder:
         bm25s = mteb.get_model("bm25s")
@@ -391,18 +209,28 @@ def mteb_test_rerank_models(
         # Score API is only enabled for num_labels == 1
         assert model_config.hf_config.num_labels == 1
 
-        # Confirm whether vllm uses the correct default_pooling_type, which
+        # Maybe load chat_template.
-        # relates to whether chunked prefill and prefix caching are enabled
-        assert (
-            model_config._model_info.default_pooling_type
-            == model_info.default_pooling_type
-        )
-
         chat_template: str | None = None
         if model_info.chat_template_name is not None:
             chat_template = (template_home / model_info.chat_template_name).read_text()
         vllm_model.chat_template = chat_template
 
+        # Confirm whether the important configs in model_config are correct.
+        if model_info.pooling_type is not None:
+            assert model_config.pooler_config.pooling_type == model_info.pooling_type
+        if model_info.attn_type is not None:
+            assert model_config.attn_type == model_info.attn_type
+        if model_info.is_prefix_caching_supported is not None:
+            assert (
+                model_config.is_prefix_caching_supported
+                == model_info.is_prefix_caching_supported
+            )
+        if model_info.is_chunked_prefill_supported is not None:
+            assert (
+                model_config.is_chunked_prefill_supported
+                == model_info.is_chunked_prefill_supported
+            )
+
         vllm_main_score = run_mteb_rerank(
             vllm_mteb_encoder(vllm_model),
             tasks=MTEB_RERANK_TASKS,

tests/models/language/pooling_mteb_test/test_baai.py

@@ -4,90 +4,94 @@ import pytest
 
 from tests.models.language.pooling.embed_utils import correctness_test_embed_models
 from tests.models.utils import (
-    CLSPoolingEmbedModelInfo,
-    CLSPoolingRerankModelInfo,
     EmbedModelInfo,
-    LASTPoolingEmbedModelInfo,
     RerankModelInfo,
 )
 
-from .mteb_utils import mteb_test_embed_models, mteb_test_rerank_models
+from .mteb_embed_utils import mteb_test_embed_models
+from .mteb_score_utils import mteb_test_rerank_models
 
 MODELS = [
     ########## BertModel
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-base-en",
         architecture="BertModel",
         mteb_score=0.779336792,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo("BAAI/bge-base-zh", architecture="BertModel", enable_test=False),
-        "BAAI/bge-base-zh", architecture="BertModel", enable_test=False
+    EmbedModelInfo("BAAI/bge-small-en", architecture="BertModel", enable_test=False),
-    ),
+    EmbedModelInfo("BAAI/bge-small-zh", architecture="BertModel", enable_test=False),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo("BAAI/bge-large-en", architecture="BertModel", enable_test=False),
-        "BAAI/bge-small-en", architecture="BertModel", enable_test=False
+    EmbedModelInfo("BAAI/bge-large-zh", architecture="BertModel", enable_test=False),
-    ),
+    EmbedModelInfo(
-    CLSPoolingEmbedModelInfo(
-        "BAAI/bge-small-zh", architecture="BertModel", enable_test=False
-    ),
-    CLSPoolingEmbedModelInfo(
-        "BAAI/bge-large-en", architecture="BertModel", enable_test=False
-    ),
-    CLSPoolingEmbedModelInfo(
-        "BAAI/bge-large-zh", architecture="BertModel", enable_test=False
-    ),
-    CLSPoolingEmbedModelInfo(
         "BAAI/bge-large-zh-noinstruct", architecture="BertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-base-en-v1.5", architecture="BertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-base-zh-v1.5", architecture="BertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-small-en-v1.5", architecture="BertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-small-zh-v1.5", architecture="BertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-large-en-v1.5", architecture="BertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-large-zh-v1.5", architecture="BertModel", enable_test=False
     ),
     ########## XLMRobertaModel
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-m3",
         architecture="XLMRobertaModel",
         mteb_score=0.787343078,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
     ########## Qwen2Model
-    LASTPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "BAAI/bge-code-v1",
         architecture="Qwen2Model",
         mteb_score=0.75724465,
         dtype="float32",
+        pooling_type="LAST",
+        attn_type="decoder",
+        is_prefix_caching_supported=True,
+        is_chunked_prefill_supported=True,
         enable_test=True,
     ),
 ]
 
 RERANK_MODELS = [
     ########## XLMRobertaForSequenceClassification
-    CLSPoolingRerankModelInfo(
+    RerankModelInfo(
         "BAAI/bge-reranker-base",
         architecture="XLMRobertaForSequenceClassification",
         mteb_score=0.32398,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingRerankModelInfo(
+    RerankModelInfo(
         "BAAI/bge-reranker-large",
         architecture="XLMRobertaForSequenceClassification",
         enable_test=False,
     ),
-    CLSPoolingRerankModelInfo(
+    RerankModelInfo(
         "BAAI/bge-reranker-v2-m3",
         architecture="XLMRobertaForSequenceClassification",
         enable_test=False,

tests/models/language/pooling_mteb_test/test_bge_reranker_v2_gemma.py

@@ -9,14 +9,12 @@ import torch
 from torch.utils.data import DataLoader
 
 from tests.conftest import HfRunner
-from tests.models.language.pooling_mteb_test.mteb_utils import (
+from tests.models.utils import RerankModelInfo
-    VllmMtebCrossEncoder,
+
-    mteb_test_rerank_models,
+from .mteb_score_utils import VllmMtebCrossEncoder, mteb_test_rerank_models
-)
-from tests.models.utils import LASTPoolingRerankModelInfo, RerankModelInfo
 
 RERANK_MODELS = [
-    LASTPoolingRerankModelInfo(
+    RerankModelInfo(
         "BAAI/bge-reranker-v2-gemma",
         architecture="GemmaForSequenceClassification",
         mteb_score=0.33757,
@@ -25,6 +23,10 @@ RERANK_MODELS = [
             "classifier_from_token": ["Yes"],
             "method": "no_post_processing",
         },
+        pooling_type="LAST",
+        attn_type="decoder",
+        is_prefix_caching_supported=True,
+        is_chunked_prefill_supported=True,
     ),
 ]
 

tests/models/language/pooling_mteb_test/test_cross_encoder.py

@@ -3,23 +3,29 @@
 import pytest
 
 from tests.models.utils import (
-    CLSPoolingRerankModelInfo,
-    LASTPoolingRerankModelInfo,
     RerankModelInfo,
 )
 
-from .mteb_utils import mteb_test_rerank_models
+from .mteb_score_utils import mteb_test_rerank_models
 
 RERANK_MODELS = [
-    CLSPoolingRerankModelInfo(
+    RerankModelInfo(
         "cross-encoder/ms-marco-TinyBERT-L-2-v2",
         mteb_score=0.32898,
         architecture="BertForSequenceClassification",
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
     ),
-    LASTPoolingRerankModelInfo(
+    RerankModelInfo(
         "tomaarsen/Qwen3-Reranker-0.6B-seq-cls",
         mteb_score=0.25736,
         architecture="Qwen3ForSequenceClassification",
+        pooling_type="LAST",
+        attn_type="decoder",
+        is_prefix_caching_supported=True,
+        is_chunked_prefill_supported=True,
     ),
 ]
 

tests/models/language/pooling_mteb_test/test_gte.py

@@ -5,36 +5,32 @@ import pytest
 
 from tests.models.language.pooling.embed_utils import correctness_test_embed_models
 from tests.models.utils import (
-    CLSPoolingEmbedModelInfo,
-    CLSPoolingRerankModelInfo,
     EmbedModelInfo,
-    LASTPoolingEmbedModelInfo,
     RerankModelInfo,
 )
 
-from .mteb_utils import mteb_test_embed_models, mteb_test_rerank_models
+from .mteb_embed_utils import mteb_test_embed_models
+from .mteb_score_utils import mteb_test_rerank_models
 
 MODELS = [
     ########## BertModel
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "thenlper/gte-large",
         mteb_score=0.76807651,
         architecture="BertModel",
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo("thenlper/gte-base", architecture="BertModel", enable_test=False),
-        "thenlper/gte-base", architecture="BertModel", enable_test=False
+    EmbedModelInfo("thenlper/gte-small", architecture="BertModel", enable_test=False),
-    ),
+    EmbedModelInfo(
-    CLSPoolingEmbedModelInfo(
-        "thenlper/gte-small", architecture="BertModel", enable_test=False
-    ),
-    CLSPoolingEmbedModelInfo(
         "thenlper/gte-large-zh", architecture="BertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo("thenlper/gte-base-zh", architecture="BertModel", enable_test=False),
-        "thenlper/gte-base-zh", architecture="BertModel", enable_test=False
+    EmbedModelInfo(
-    ),
-    CLSPoolingEmbedModelInfo(
         "thenlper/gte-small-zh", architecture="BertModel", enable_test=False
     ),
     ########### NewModel
@@ -43,48 +39,64 @@ MODELS = [
     # - whether to use token_type_embeddings
     # - whether to use context expansion
     # So only test one (the most widely used) model
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Alibaba-NLP/gte-multilingual-base",
         architecture="GteNewModel",
         mteb_score=0.775074696,
         hf_overrides={"architectures": ["GteNewModel"]},
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Alibaba-NLP/gte-base-en-v1.5",
         architecture="GteNewModel",
         hf_overrides={"architectures": ["GteNewModel"]},
         enable_test=False,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Alibaba-NLP/gte-large-en-v1.5",
         architecture="GteNewModel",
         hf_overrides={"architectures": ["GteNewModel"]},
         enable_test=False,
     ),
     ########### Qwen2ForCausalLM
-    LASTPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Alibaba-NLP/gte-Qwen2-1.5B-instruct",
         mteb_score=0.758473459018872,
         architecture="Qwen2ForCausalLM",
+        pooling_type="LAST",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
     ########## ModernBertModel
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Alibaba-NLP/gte-modernbert-base",
         mteb_score=0.748193353,
         architecture="ModernBertModel",
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
     ########## Qwen3ForCausalLM
-    LASTPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Qwen/Qwen3-Embedding-0.6B",
         mteb_score=0.771163695,
         architecture="Qwen3ForCausalLM",
         dtype="float32",
+        pooling_type="LAST",
+        attn_type="decoder",
+        is_prefix_caching_supported=True,
+        is_chunked_prefill_supported=True,
         enable_test=True,
     ),
-    LASTPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Qwen/Qwen3-Embedding-4B",
         architecture="Qwen3ForCausalLM",
         dtype="float32",
@@ -93,18 +105,26 @@ MODELS = [
 ]
 
 RERANK_MODELS = [
-    CLSPoolingRerankModelInfo(
+    RerankModelInfo(
         # classifier_pooling: mean
         "Alibaba-NLP/gte-reranker-modernbert-base",
         mteb_score=0.33386,
         architecture="ModernBertForSequenceClassification",
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingRerankModelInfo(
+    RerankModelInfo(
         "Alibaba-NLP/gte-multilingual-reranker-base",
         mteb_score=0.33062,
         architecture="GteNewForSequenceClassification",
         hf_overrides={"architectures": ["GteNewForSequenceClassification"]},
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
 ]

tests/models/language/pooling_mteb_test/test_intfloat.py

@@ -3,40 +3,44 @@
 import pytest
 
 from tests.models.language.pooling.embed_utils import correctness_test_embed_models
-from tests.models.utils import CLSPoolingEmbedModelInfo, EmbedModelInfo
+from tests.models.utils import EmbedModelInfo
 
-from .mteb_utils import mteb_test_embed_models
+from .mteb_embed_utils import mteb_test_embed_models
 
 MODELS = [
     ########## BertModel
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "intfloat/e5-small",
         architecture="BertModel",
         mteb_score=0.742285423,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo("intfloat/e5-base", architecture="BertModel", enable_test=False),
-        "intfloat/e5-base", architecture="BertModel", enable_test=False
+    EmbedModelInfo("intfloat/e5-large", architecture="BertModel", enable_test=False),
-    ),
+    EmbedModelInfo(
-    CLSPoolingEmbedModelInfo(
-        "intfloat/e5-large", architecture="BertModel", enable_test=False
-    ),
-    CLSPoolingEmbedModelInfo(
         "intfloat/multilingual-e5-small", architecture="BertModel", enable_test=False
     ),
     ########## XLMRobertaModel
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "intfloat/multilingual-e5-base",
         architecture="XLMRobertaModel",
         mteb_score=0.779325955,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "intfloat/multilingual-e5-large",
         architecture="XLMRobertaModel",
         enable_test=False,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "intfloat/multilingual-e5-large-instruct",
         architecture="XLMRobertaModel",
         enable_test=False,

tests/models/language/pooling_mteb_test/test_jina.py

@@ -10,30 +10,37 @@ from tests.models.language.pooling.embed_utils import (
     matryoshka_fy,
 )
 from tests.models.utils import (
-    CLSPoolingEmbedModelInfo,
-    CLSPoolingRerankModelInfo,
     EmbedModelInfo,
     RerankModelInfo,
 )
 from vllm import PoolingParams
 
-from .mteb_utils import mteb_test_embed_models, mteb_test_rerank_models
+from .mteb_embed_utils import mteb_test_embed_models
+from .mteb_score_utils import mteb_test_rerank_models
 
 EMBEDDING_MODELS = [
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "jinaai/jina-embeddings-v3",
         mteb_score=0.824413164,
         architecture="XLMRobertaModel",
         is_matryoshka=True,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         dtype="float32",
     )
 ]
 
 RERANK_MODELS = [
-    CLSPoolingRerankModelInfo(
+    RerankModelInfo(
         "jinaai/jina-reranker-v2-base-multilingual",
         mteb_score=0.33643,
         architecture="XLMRobertaForSequenceClassification",
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
     )
 ]
 

tests/models/language/pooling_mteb_test/test_mxbai_rerank.py

@@ -6,9 +6,9 @@ import pytest
 import torch
 
 from tests.conftest import HfRunner
-from tests.models.utils import LASTPoolingRerankModelInfo, RerankModelInfo
+from tests.models.utils import RerankModelInfo
 
-from .mteb_utils import mteb_test_rerank_models
+from .mteb_score_utils import mteb_test_rerank_models
 
 mxbai_rerank_hf_overrides = {
     "architectures": ["Qwen2ForSequenceClassification"],
@@ -17,14 +17,18 @@ mxbai_rerank_hf_overrides = {
 }
 
 RERANK_MODELS = [
-    LASTPoolingRerankModelInfo(
+    RerankModelInfo(
         "mixedbread-ai/mxbai-rerank-base-v2",
         architecture="Qwen2ForSequenceClassification",
         hf_overrides=mxbai_rerank_hf_overrides,
         mteb_score=0.273,
+        pooling_type="LAST",
+        attn_type="decoder",
+        is_prefix_caching_supported=True,
+        is_chunked_prefill_supported=True,
         enable_test=True,
     ),
-    LASTPoolingRerankModelInfo(
+    RerankModelInfo(
         "mixedbread-ai/mxbai-rerank-large-v2",
         architecture="Qwen2ForSequenceClassification",
         hf_overrides=mxbai_rerank_hf_overrides,

tests/models/language/pooling_mteb_test/test_nemotron.py

@@ -3,29 +3,39 @@
 
 import pytest
 
+from tests.models.language.pooling_mteb_test.mteb_embed_utils import (
+    mteb_test_embed_models,
+)
+from tests.models.language.pooling_mteb_test.mteb_score_utils import (
+    mteb_test_rerank_models,
+)
 from tests.models.utils import (
     EmbedModelInfo,
-    LASTPoolingEmbedModelInfo,
-    LASTPoolingRerankModelInfo,
     RerankModelInfo,
 )
 
-from .mteb_utils import mteb_test_embed_models, mteb_test_rerank_models
-
 EMBEDDING_MODELS = [
-    LASTPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "nvidia/llama-nemotron-embed-1b-v2",
         architecture="LlamaBidirectionalModel",
         mteb_score=0.689164662128673,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
     )
 ]
 
 RERANK_MODELS = [
-    LASTPoolingRerankModelInfo(
+    RerankModelInfo(
         "nvidia/llama-nemotron-rerank-1b-v2",
         architecture="LlamaBidirectionalForSequenceClassification",
         chat_template_name="nemotron-rerank.jinja",
         mteb_score=0.33994,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
     ),
 ]
 

tests/models/language/pooling_mteb_test/test_nomic.py

@@ -4,30 +4,38 @@
 import pytest
 
 from tests.models.language.pooling.embed_utils import correctness_test_embed_models
-from tests.models.utils import CLSPoolingEmbedModelInfo, EmbedModelInfo
+from tests.models.utils import EmbedModelInfo
 
-from .mteb_utils import mteb_test_embed_models
+from .mteb_embed_utils import mteb_test_embed_models
 
 MODELS = [
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "nomic-ai/nomic-embed-text-v1",
         architecture="NomicBertModel",
         mteb_score=0.737568559,
         enable_test=True,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "nomic-ai/nomic-embed-text-v1.5",
         architecture="NomicBertModel",
         enable_test=False,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "nomic-ai/CodeRankEmbed", architecture="NomicBertModel", enable_test=False
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "nomic-ai/nomic-embed-text-v2-moe",
         architecture="NomicBertModel",
         mteb_score=0.715488912,
         enable_test=True,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
     ),
 ]
 

tests/models/language/pooling_mteb_test/test_qwen3_reranker.py

@@ -6,10 +6,10 @@ import pytest
 import torch
 
 from tests.conftest import HfRunner
-from tests.models.utils import LASTPoolingRerankModelInfo, RerankModelInfo
+from tests.models.utils import RerankModelInfo
 from tests.utils import multi_gpu_test
 
-from .mteb_utils import mteb_test_rerank_models
+from .mteb_score_utils import mteb_test_rerank_models
 
 qwen3_reranker_hf_overrides = {
     "architectures": ["Qwen3ForSequenceClassification"],
@@ -18,14 +18,18 @@ qwen3_reranker_hf_overrides = {
 }
 
 RERANK_MODELS = [
-    LASTPoolingRerankModelInfo(
+    RerankModelInfo(
         "Qwen/Qwen3-Reranker-0.6B",
         architecture="Qwen3ForSequenceClassification",
         mteb_score=0.25736,
         hf_overrides=qwen3_reranker_hf_overrides,
+        pooling_type="LAST",
+        attn_type="decoder",
+        is_prefix_caching_supported=True,
+        is_chunked_prefill_supported=True,
         enable_test=True,
     ),
-    LASTPoolingRerankModelInfo(
+    RerankModelInfo(
         "Qwen/Qwen3-Reranker-4B",
         architecture="Qwen3ForSequenceClassification",
         hf_overrides=qwen3_reranker_hf_overrides,

tests/models/language/pooling_mteb_test/test_snowflake_arctic_embed.py

@@ -4,62 +4,82 @@
 import pytest
 
 from tests.models.language.pooling.embed_utils import correctness_test_embed_models
-from tests.models.utils import CLSPoolingEmbedModelInfo, EmbedModelInfo
+from tests.models.utils import EmbedModelInfo
 
-from .mteb_utils import mteb_test_embed_models
+from .mteb_embed_utils import mteb_test_embed_models
 
 MODELS = [
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-xs",
         is_matryoshka=False,
         architecture="BertModel",
         mteb_score=0.714927797,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-s",
         is_matryoshka=False,
         architecture="BertModel",
         enable_test=False,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-m",
         is_matryoshka=False,
         architecture="BertModel",
         enable_test=False,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-m-long",
         is_matryoshka=False,
         architecture="NomicBertModel",
         mteb_score=0.681146831,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-l",
         is_matryoshka=False,
         architecture="BertModel",
         enable_test=False,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-m-v1.5",
         is_matryoshka=True,
         architecture="BertModel",
         mteb_score=0.649088363,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-l-v2.0",
         is_matryoshka=True,
         architecture="XLMRobertaModel",
         mteb_score=0.712258299,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "Snowflake/snowflake-arctic-embed-m-v2.0",
         is_matryoshka=True,
         architecture="GteModel",
         mteb_score=0.706622444,
+        pooling_type="CLS",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
 ]

tests/models/language/pooling_mteb_test/test_st_projector.py

@@ -3,25 +3,31 @@
 import pytest
 
 from tests.models.utils import (
-    CLSPoolingEmbedModelInfo,
     EmbedModelInfo,
-    LASTPoolingEmbedModelInfo,
 )
 
-from .mteb_utils import mteb_test_embed_models
+from .mteb_embed_utils import mteb_test_embed_models
 
 # ST models with projector (Dense) layers
 ST_PROJECTOR_MODELS = [
-    CLSPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "TencentBAC/Conan-embedding-v1",
         architecture="BertModel",
         mteb_score=0.688611955,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
     ),
-    LASTPoolingEmbedModelInfo(
+    EmbedModelInfo(
         "google/embeddinggemma-300m",
         architecture="Gemma3TextModel",
         mteb_score=0.7473819294684156,
+        pooling_type="MEAN",
+        attn_type="encoder_only",
+        is_prefix_caching_supported=False,
+        is_chunked_prefill_supported=False,
         enable_test=True,
         dtype="float32",
     ),

tests/models/utils.py

@@ -10,7 +10,7 @@ import torch
 import torch.nn.functional as F
 from transformers import PretrainedConfig
 
-from vllm.config.model import ModelConfig, ModelDType, RunnerOption
+from vllm.config.model import AttnTypeStr, ModelConfig, ModelDType, RunnerOption
 from vllm.logprobs import Logprob, PromptLogprobs, SampleLogprobs
 from vllm.multimodal.processing import InputProcessingContext
 from vllm.tokenizers import cached_tokenizer_from_config
@@ -375,7 +375,10 @@ class ModelInfo:
     max_model_len: int | None = None
     hf_dtype: str = "float32"
     hf_overrides: dict[str, Any] | None = None
-    default_pooling_type: str = ""
+    pooling_type: str | None = None
+    attn_type: AttnTypeStr | None = None
+    is_prefix_caching_supported: bool | None = None
+    is_chunked_prefill_supported: bool | None = None
     enable_test: bool = True
 
 
@@ -386,32 +389,12 @@ class EmbedModelInfo(ModelInfo):
     matryoshka_dimensions: list[int] | None = None
 
 
-@dataclass
-class CLSPoolingEmbedModelInfo(EmbedModelInfo):
-    default_pooling_type: str = "CLS"
-
-
-@dataclass
-class LASTPoolingEmbedModelInfo(EmbedModelInfo):
-    default_pooling_type: str = "LAST"
-
-
 @dataclass
 class RerankModelInfo(ModelInfo):
     mteb_score: float | None = None
     chat_template_name: str | None = None
 
 
-@dataclass
-class CLSPoolingRerankModelInfo(RerankModelInfo):
-    default_pooling_type: str = "CLS"
-
-
-@dataclass
-class LASTPoolingRerankModelInfo(RerankModelInfo):
-    default_pooling_type: str = "LAST"
-
-
 @dataclass
 class GenerateModelInfo(ModelInfo):
     hf_dtype: str = "auto"