refine

Signed-off-by: yuanwu <yuan.wu@intel.com>

backends/gaudi/server/text_generation_server/models/__init__.py

@@ -139,10 +139,21 @@ except ImportError as e:
     log_master(logger.warning, f"Could not import Flash Attention enabled models: {e}")
     SUPPORTS_WINDOWING = False
     FLASH_ATTENTION = False
+    VLM_BATCH_TYPES = set()
 
 if FLASH_ATTENTION:
     __all__.append(FlashCausalLM)
 
+    from text_generation_server.models.flash_vlm_causal_lm import (
+        FlashVlmCausalLMBatch,
+    )
+
+    VLM_BATCH_TYPES = {
+        PaliGemmaBatch,
+        FlashVlmCausalLMBatch,
+        FlashMllamaCausalLMBatch,
+    }
+
 
 class ModelType(enum.Enum):
     DEEPSEEK_V2 = {
@@ -848,6 +859,11 @@ def get_model(
     from text_generation_server.models.custom_modeling.llava_next import (
         LlavaNextForConditionalGeneration,
     )
+    from text_generation_server.models.vlm_causal_lm import (
+        VlmCausalLMBatch,
+    )
+
+    VLM_BATCH_TYPES.add(VlmCausalLMBatch)
 
     from optimum.habana.transformers.modeling_utils import adapt_transformers_to_gaudi
 

backends/gaudi/server/text_generation_server/models/custom_modeling/flash_llama4_modeling.py

@@ -22,7 +22,6 @@ import torch.utils.checkpoint
 from torch import nn
 import torch.nn.functional as F
 
-from transformers import Llama4TextConfig
 from transformers.cache_utils import Cache
 from transformers.activations import ACT2FN
 from transformers.modeling_rope_utils import ROPE_INIT_FUNCTIONS
@@ -106,7 +105,7 @@ def repeat_kv(hidden_states: torch.Tensor, n_rep: int) -> torch.Tensor:
 
 
 class Llama4TextExperts(nn.Module):
-    def __init__(self, prefix, config: Llama4TextConfig, weights):
+    def __init__(self, prefix, config, weights):
         super().__init__()
         self.process_group = weights.process_group
         self.num_experts = config.num_local_experts
@@ -263,7 +262,7 @@ class Llama4TextMoe(nn.Module):
 
 
 class Llama4TextRotaryEmbedding(nn.Module):
-    def __init__(self, config: Llama4TextConfig, device=None):
+    def __init__(self, config, device=None):
         super().__init__()
         # BC: "rope_type" was originally "type"
         self.rope_type = "llama3" if config.rope_scaling is not None else "default"

backends/gaudi/server/text_generation_server/server.py

@@ -23,25 +23,7 @@ from text_generation_server.models.globals import set_adapter_to_index
 from text_generation_server.utils.adapter import AdapterInfo
 from text_generation_server.utils.tokens import make_tokenizer_optional
 from text_generation_server.utils.prefill_chunking import set_max_prefill_tokens
-
-try:
-    from text_generation_server.models.pali_gemma import PaliGemmaBatch
-    from text_generation_server.models.mllama_causal_lm import FlashMllamaCausalLMBatch
-    from text_generation_server.models.vlm_causal_lm import (
-        VlmCausalLMBatch,
-    )
-    from text_generation_server.models.flash_vlm_causal_lm import (
-        FlashVlmCausalLMBatch,
-    )
-
-    VLM_BATCH_TYPES = {
-        PaliGemmaBatch,
-        FlashVlmCausalLMBatch,
-        FlashMllamaCausalLMBatch,
-    }
-except (ImportError, NotImplementedError):
-    # These imports can fail on CPU/Non flash.
-    VLM_BATCH_TYPES = set()
+from text_generation_server.models import VLM_BATCH_TYPES
 
 from text_generation_server.utils.version import (
     is_driver_compatible,

backends/gaudi/tgi-entrypoint.sh

@@ -7,5 +7,10 @@ if [[ "$*" == *"--sharded true"* ]]; then
   echo 'setting PT_HPU_ENABLE_LAZY_COLLECTIVES=1 for sharding'
   export PT_HPU_ENABLE_LAZY_COLLECTIVES=1
 fi
+# Check if ATTENTION environment variable is set to paged
+if [[ "$ATTENTION" == "paged" ]]; then
+  echo 'ATTENTION=paged detected, installing transformers==4.51.3'
+  pip install transformers==4.51.3
+fi
 
 text-generation-launcher $@