[V1] EP/TP MoE + DP Attention (#13931)

examples/offline_inference/data_parallel.py

 # SPDX-License-Identifier: Apache-2.0
-# usage: VLLM_USE_V1=1 python examples/offline_inference/data_parallel.py
+# usage:
+# VLLM_TEST_ENABLE_EP=1 VLLM_USE_V1=1 \
+#   python examples/offline_inference/data_parallel.py
 # we need to have a launcher to create multiple data parallel
 # ranks. And each rank will create a vLLM instance to process its own prompts.
 import os
@@ -7,6 +9,9 @@ import os
 from vllm import LLM, SamplingParams
 from vllm.utils import get_open_port
 
+GPUs_per_dp_rank = 2
+DP_size = 2
+
 
 def main(dp_size, dp_rank, dp_master_ip, dp_master_port, GPUs_per_dp_rank):
     os.environ["VLLM_DP_RANK"] = str(dp_rank)
@@ -48,8 +53,8 @@ def main(dp_size, dp_rank, dp_master_ip, dp_master_port, GPUs_per_dp_rank):
                                      max_tokens=16 * (dp_rank + 1))
 
     # Create an LLM.
-    llm = LLM(model="facebook/opt-125m",
-              tensor_parallel_size=2,
+    llm = LLM(model="ibm-research/PowerMoE-3b",
+              tensor_parallel_size=GPUs_per_dp_rank,
               enforce_eager=True)
     outputs = llm.generate(prompts, sampling_params)
     # Print the outputs.
@@ -62,14 +67,12 @@ def main(dp_size, dp_rank, dp_master_ip, dp_master_port, GPUs_per_dp_rank):
 
 if __name__ == "__main__":
     from multiprocessing import Process
-    dp_size = 2
-    GPUs_per_dp_rank = 2
     dp_master_ip = "127.0.0.1"
     dp_master_port = get_open_port()
     procs = []
-    for i in range(dp_size):
+    for i in range(DP_size):
         proc = Process(target=main,
-                       args=(dp_size, i, dp_master_ip, dp_master_port,
+                       args=(DP_size, i, dp_master_ip, dp_master_port,
                              GPUs_per_dp_rank))
         proc.start()
         procs.append(proc)

tests/kernels/test_moe.py

@@ -217,6 +217,7 @@ def test_mixtral_moe(dtype: torch.dtype):
         intermediate_size=config.intermediate_size,
         params_dtype=dtype,
         tp_size=1,
+        dp_size=1,
     ).cuda()
 
     # Load the weights

vllm/attention/layer.py

@@ -324,7 +324,7 @@ def unified_attention(
 ) -> torch.Tensor:
     forward_context: ForwardContext = get_forward_context()
     attn_metadata = forward_context.attn_metadata
-    self = forward_context.attn_layers[layer_name]
+    self = forward_context.no_compile_layers[layer_name]
     kv_cache = self.kv_cache[forward_context.virtual_engine]
     return self.impl.forward(self, query, key, value, kv_cache, attn_metadata)
 
@@ -356,7 +356,7 @@ def unified_attention_with_output(
 ) -> None:
     forward_context: ForwardContext = get_forward_context()
     attn_metadata = forward_context.attn_metadata
-    self = forward_context.attn_layers[layer_name]
+    self = forward_context.no_compile_layers[layer_name]
     kv_cache = self.kv_cache[forward_context.virtual_engine]
     self.impl.forward(self,
                       query,

vllm/compilation/backends.py

@@ -396,8 +396,9 @@ class VllmBackend:
 
         cache_dir = self.compilation_config.cache_dir
         os.makedirs(cache_dir, exist_ok=True)
-        local_cache_dir = os.path.join(
-            cache_dir, f"rank_{vllm_config.parallel_config.rank}")
+        rank = vllm_config.parallel_config.rank
+        dp_rank = vllm_config.parallel_config.data_parallel_rank
+        local_cache_dir = os.path.join(cache_dir, f"rank_{rank}_{dp_rank}")
         self.compilation_config.local_cache_dir = local_cache_dir
 
         disable_cache = envs.VLLM_DISABLE_COMPILE_CACHE

vllm/forward_context.py

@@ -25,16 +25,22 @@ batchsize_logging_interval: float = envs.VLLM_LOG_BATCHSIZE_INTERVAL
 batchsize_forward_time: defaultdict = defaultdict(list)
 
 
+@dataclass
+class DPMetadata:
+    num_tokens_across_dp: list[int]
+    cu_tokens_across_dp_cpu: torch.Tensor
+
+
 @dataclass
 class ForwardContext:
     # copy from vllm_config.compilation_config.static_forward_context
-    attn_layers: dict[str, Any]
+    no_compile_layers: dict[str, Any]
     # TODO: extend to support per-layer dynamic forward context
     attn_metadata: "AttentionMetadata"  # set dynamically for each forward pass
     # TODO: remove after making all virtual_engines share the same kv cache
     virtual_engine: int  # set dynamically for each forward pass
-    num_tokens_across_dp: Optional[
-        list[int]] = None  # set dynamically for each forward pass
+    # set dynamically for each forward pass
+    dp_metadata: Optional[DPMetadata] = None
 
 
 _forward_context: Optional[ForwardContext] = None
@@ -61,7 +67,7 @@ def set_forward_context(attn_metadata: Any,
     need_to_track_batchsize = track_batchsize and attn_metadata is not None
     if need_to_track_batchsize:
         forward_start_time = time.perf_counter()
-    num_tokens_across_dp = None
+    dp_metadata: Optional[DPMetadata] = None
     if vllm_config.parallel_config.data_parallel_size > 1:
         dp_size = vllm_config.parallel_config.data_parallel_size
         dp_rank = vllm_config.parallel_config.data_parallel_rank
@@ -82,15 +88,17 @@ def set_forward_context(attn_metadata: Any,
                                          dtype=torch.int32)
         from vllm.distributed.parallel_state import get_dp_group
         dist.all_reduce(num_tokens_tensor, group=get_dp_group().cpu_group)
-        num_tokens_across_dp = num_tokens_tensor.tolist()
+        cu_tokens_across_dp_cpu = torch.cumsum(num_tokens_tensor, dim=0)
+        dp_metadata = DPMetadata(num_tokens_across_dp, cu_tokens_across_dp_cpu)
 
     global _forward_context
     prev_context = _forward_context
     _forward_context = ForwardContext(
-        attn_layers=vllm_config.compilation_config.static_forward_context,
+        no_compile_layers=vllm_config.compilation_config.
+        static_forward_context,
         virtual_engine=virtual_engine,
         attn_metadata=attn_metadata,
-        num_tokens_across_dp=num_tokens_across_dp)
+        dp_metadata=dp_metadata)
     try:
         yield
     finally:

vllm/model_executor/layers/fused_moe/layer.py

@@ -8,9 +8,11 @@ import torch
 from torch.nn.parameter import UninitializedParameter
 
 import vllm.envs as envs
-from vllm.distributed import (get_tensor_model_parallel_rank,
+from vllm.config import get_current_vllm_config
+from vllm.distributed import (get_dp_group, get_tensor_model_parallel_rank,
                               get_tensor_model_parallel_world_size,
                               tensor_model_parallel_all_reduce)
+from vllm.forward_context import ForwardContext, get_forward_context
 from vllm.logger import init_logger
 from vllm.model_executor.custom_op import CustomOp
 from vllm.model_executor.layers.quantization.base_config import (
@@ -18,6 +20,7 @@ from vllm.model_executor.layers.quantization.base_config import (
 from vllm.model_executor.utils import set_weight_attrs
 from vllm.platforms import current_platform
 from vllm.platforms.interface import CpuArchEnum
+from vllm.utils import direct_register_custom_op
 
 if current_platform.is_cuda_alike():
     from .fused_moe import fused_experts
@@ -246,6 +249,51 @@ class UnquantizedFusedMoEMethod(FusedMoEMethodBase, CustomOp):
     forward_native = forward_cuda
 
 
+def determine_expert_map(
+        ep_size: int, ep_rank: int,
+        global_num_experts: int) -> Tuple[int, Optional[torch.Tensor]]:
+    """
+        Calculates how many experts should be assigned to each rank for EP and
+        creates a mapping from global to local expert index. Experts are
+        distributed evenly across ranks. Any remaining are assigned to the
+        last rank.
+
+        Args:
+            ep_size (int): The size of the expert parallel group
+            global_num_experts (int): The total number of experts in the model.
+
+        Returns:
+            Tuple[int, Optional[torch.Tensor]]: A tuple containing:
+                - local_num_experts (int): The number of experts assigned
+                    to the current rank.
+                - expert_map (Optional[torch.Tensor]): A tensor of shape
+                    (global_num_experts,) mapping from global to local index.
+                    Contains -1 for experts not assigned to the current rank.
+                    Returns None if ep_size is 1.
+        """
+    assert ep_size > 0
+    if ep_size == 1:
+        return (global_num_experts, None)
+
+    local_num_experts = global_num_experts // ep_size
+
+    # Create a tensor of size num_experts filled with -1
+    expert_map = torch.full((global_num_experts, ), -1, dtype=torch.int32)
+    # Create a expert map for the local experts
+    if ep_rank < (ep_size - 1):
+        # Each non-last rank gets local_num_experts experts.
+        expert_map[ep_rank * local_num_experts:
+                        (ep_rank + 1) * local_num_experts] = \
+            torch.arange(0, local_num_experts, dtype=torch.int32)
+    else:
+        # All remaining experts are assigned to the last rank.
+        local_num_experts = (global_num_experts - ep_rank * local_num_experts)
+
+        expert_map[-local_num_experts:] = \
+            torch.arange(0, local_num_experts, dtype=torch.int32)
+    return (local_num_experts, expert_map)
+
+
 class FusedMoE(torch.nn.Module):
     """FusedMoE layer for MoE models.
 
@@ -282,6 +330,7 @@ class FusedMoE(torch.nn.Module):
         quant_config: Optional[QuantizationConfig] = None,
         tp_size: Optional[int] = None,
         ep_size: Optional[int] = None,
+        dp_size: Optional[int] = None,
         prefix: str = "",
         custom_routing_function: Optional[Callable] = None,
         scoring_func: str = "softmax",
@@ -293,16 +342,48 @@ class FusedMoE(torch.nn.Module):
         if params_dtype is None:
             params_dtype = torch.get_default_dtype()
 
+        # For smuggling this layer into the fused moe custom op
+        compilation_config = get_current_vllm_config().compilation_config
+        if prefix in compilation_config.static_forward_context:
+            raise ValueError("Duplicate layer name: {}".format(prefix))
+        compilation_config.static_forward_context[prefix] = self
+        self.layer_name = prefix
+        self.use_direct_call = not envs.VLLM_TEST_ENABLE_EP
+
+        # Note: here we guard against accessing the TP and DP groups when
+        # uninitialized (this happens when testing)
         self.tp_size = (tp_size if tp_size is not None else
                         get_tensor_model_parallel_world_size())
+        tp_rank = 0 if self.tp_size == 1 else get_tensor_model_parallel_rank()
+        self.dp_size = (dp_size
+                        if dp_size is not None else get_dp_group().world_size)
+        self.dp_rank = (0
+                        if self.dp_size == 1 else get_dp_group().rank_in_group)
+        self.global_num_experts = num_experts
+
         if envs.VLLM_TEST_ENABLE_EP:
-            self.ep_size = self.tp_size
+            # Set TP size to 1 to adjust for EP and adjust EP size and rank
+            # for DP attention.
+            self.ep_rank = tp_rank + self.tp_size * self.dp_rank
+            self.tp_rank = 0
+            self.ep_size = self.tp_size * self.dp_size
             self.tp_size = 1
+
+            self.local_num_experts, self.expert_map = determine_expert_map(
+                ep_size=self.ep_size,
+                ep_rank=self.ep_rank,
+                global_num_experts=self.global_num_experts)
         else:
+            # Adjust TP size for DP attention
+            self.tp_rank = tp_rank + self.tp_size * self.dp_rank
+            self.ep_rank = 0
+            self.tp_size = self.tp_size * self.dp_size
             self.ep_size = 1
+            self.local_num_experts = self.global_num_experts
+            self.expert_map = None
         self.top_k = top_k
         self.global_num_experts = num_experts
-        self.local_num_experts = self.global_num_experts // self.ep_size
+
         assert intermediate_size % self.tp_size == 0
         self.intermediate_size_per_partition = intermediate_size // self.tp_size
         self.reduce_results = reduce_results
@@ -316,26 +397,6 @@ class FusedMoE(torch.nn.Module):
         self.scoring_func = scoring_func
         self.e_score_correction_bias = e_score_correction_bias
         self.activation = activation
-        self.expert_map = None
-
-        if self.ep_size > 1:
-            # Create a tensor of size num_experts filled with -1
-            self.expert_map = torch.full((self.global_num_experts, ),
-                                         -1,
-                                         dtype=torch.int32)
-            # Create a expert map for the local experts
-            ep_rank = get_tensor_model_parallel_rank()
-            if ep_rank < (self.ep_size - 1):
-                # Each non-last rank gets local_num_experts experts.
-                self.expert_map[ep_rank * self.local_num_experts:
-                                (ep_rank + 1) * self.local_num_experts] = \
-                    torch.arange(0, self.local_num_experts, dtype=torch.int32)
-            else:
-                # All remaining experts are assigned to the last rank.
-                self.local_num_experts = (self.global_num_experts -
-                                          ep_rank * self.local_num_experts)
-                self.expert_map[-self.local_num_experts:] = \
-                    torch.arange(0, self.local_num_experts, dtype=torch.int32)
 
         if self.scoring_func != "softmax" and not self.use_grouped_topk:
             raise ValueError("Only softmax scoring function is supported for "
@@ -493,9 +554,6 @@ class FusedMoE(torch.nn.Module):
         if expert_id == -1:
             return
 
-        # TP rank is set to 0 if EP is enabled
-        tp_rank = 0 if self.ep_size > 1 else get_tensor_model_parallel_rank()
-
         # compressed-tensors checkpoints with packed weights are stored flipped
         # TODO (mgoin): check self.quant_method.quant_config.quant_format
         # against known CompressionFormat enum values that have this quality
@@ -539,8 +597,7 @@ class FusedMoE(torch.nn.Module):
             final_shape = list(loaded_weight.shape)
             if shard_id in ["w1", "w3"]:
                 final_shape[1] *= 2
-            final_shape[shard_dim] = final_shape[
-                shard_dim] // get_tensor_model_parallel_world_size()
+            final_shape[shard_dim] = final_shape[shard_dim] // self.tp_size
             param.materialize(final_shape, dtype=loaded_weight.dtype)
 
         expert_data = param.data if full_load else param.data[expert_id]
@@ -567,7 +624,7 @@ class FusedMoE(torch.nn.Module):
                              shard_id=shard_id,
                              loaded_weight=loaded_weight,
                              expert_data=expert_data,
-                             tp_rank=tp_rank)
+                             tp_rank=self.tp_rank)
             return
 
         # Case weight scales and zero_points
@@ -584,7 +641,7 @@ class FusedMoE(torch.nn.Module):
                     shard_dim=shard_dim,
                     loaded_weight=loaded_weight,
                     expert_data=expert_data,
-                    tp_rank=tp_rank)
+                    tp_rank=self.tp_rank)
             elif quant_method in [
                     FusedMoeWeightScaleSupported.GROUP.value,
                     FusedMoeWeightScaleSupported.BLOCK.value,
@@ -594,7 +651,7 @@ class FusedMoE(torch.nn.Module):
                     shard_dim=shard_dim,
                     loaded_weight=loaded_weight,
                     expert_data=expert_data,
-                    tp_rank=tp_rank,
+                    tp_rank=self.tp_rank,
                     load_full_w2=getattr(param, "load_full_w2", False))
             elif quant_method == FusedMoeWeightScaleSupported.TENSOR.value:
                 self._load_per_tensor_weight_scale(shard_id=shard_id,
@@ -621,7 +678,7 @@ class FusedMoE(torch.nn.Module):
                 shard_dim=shard_dim,
                 loaded_weight=loaded_weight,
                 expert_data=expert_data,
-                tp_rank=tp_rank)
+                tp_rank=self.tp_rank)
             return
 
     @staticmethod
@@ -665,10 +722,45 @@ class FusedMoE(torch.nn.Module):
 
         return topk_weights, topk_ids
 
+    def naive_multicast(self, x: torch.Tensor,
+                        cu_tokens_across_dp_cpu: torch.Tensor):
+        assert (len(x.shape) == 2)
+        buffer = torch.empty((cu_tokens_across_dp_cpu[-1], x.size(1)),
+                             device=x.device,
+                             dtype=x.dtype)
+
+        start = 0 if self.dp_rank == 0 else cu_tokens_across_dp_cpu[
+            self.dp_rank - 1]
+        end = cu_tokens_across_dp_cpu[self.dp_rank]
+        buffer[start:end, :].copy_(x)
+        for idx in range(get_dp_group().world_size):
+            start = 0 if idx == 0 else cu_tokens_across_dp_cpu[idx - 1]
+            end = cu_tokens_across_dp_cpu[idx]
+            get_dp_group().broadcast(buffer[start:end, :], idx)
+
+        return buffer
+
     def forward(self, hidden_states: torch.Tensor,
                 router_logits: torch.Tensor):
+        if self.use_direct_call:
+            return self.forward_impl(hidden_states, router_logits)
+        else:
+            return torch.ops.vllm.moe_forward(hidden_states, router_logits,
+                                              self.layer_name)
+
+    def forward_impl(self, hidden_states: torch.Tensor,
+                     router_logits: torch.Tensor):
         assert self.quant_method is not None
 
+        if self.dp_size > 1:
+            cu_tokens_across_dp_cpu = get_forward_context(
+            ).dp_metadata.cu_tokens_across_dp_cpu
+
+            hidden_states = self.naive_multicast(hidden_states,
+                                                 cu_tokens_across_dp_cpu)
+            router_logits = self.naive_multicast(router_logits,
+                                                 cu_tokens_across_dp_cpu)
+
         # Matrix multiply.
         final_hidden_states = self.quant_method.apply(
             layer=self,
@@ -687,6 +779,14 @@ class FusedMoE(torch.nn.Module):
             activation=self.activation,
         )
 
+        if self.dp_size > 1:
+            start = 0 if self.dp_rank == 0 else cu_tokens_across_dp_cpu[
+                self.dp_rank - 1]
+            end = cu_tokens_across_dp_cpu[self.dp_rank]
+
+            all_hidden_states = get_dp_group().all_reduce(final_hidden_states)
+            final_hidden_states = all_hidden_states[start:end, :]
+
         if self.reduce_results and (self.tp_size > 1 or self.ep_size > 1):
             # Default set to False. (May have to add shared expert outputs.)
             final_hidden_states = tensor_model_parallel_all_reduce(
@@ -757,3 +857,26 @@ class FusedMoE(torch.nn.Module):
         s += f", scoring_func='{self.scoring_func}', activation='{self.activation}'"  # noqa: E501
 
         return s
+
+
+def moe_forward(hidden_states: torch.Tensor, router_logits: torch.Tensor,
+                layer_name: str) -> torch.Tensor:
+    forward_context: ForwardContext = get_forward_context()
+    self = forward_context.no_compile_layers[layer_name]
+    assert self.quant_method is not None
+
+    return self.forward_impl(hidden_states, router_logits)
+
+
+def moe_forward_fake(hidden_states: torch.Tensor, router_logits: torch.Tensor,
+                     layer_name: str) -> torch.Tensor:
+    return torch.empty_like(hidden_states)
+
+
+direct_register_custom_op(
+    op_name="moe_forward",
+    op_func=moe_forward,
+    mutates_args=[],
+    fake_impl=moe_forward_fake,
+    dispatch_key=current_platform.dispatch_key,
+)

vllm/model_executor/models/aria.py

@@ -239,6 +239,7 @@ class AriaTextMoELayer(nn.Module):
         self,
         config: AriaTextConfig,
         quant_config: Optional[QuantizationConfig],
+        prefix: str = "",
     ) -> None:
         super().__init__()
         self.config = config
@@ -254,6 +255,7 @@ class AriaTextMoELayer(nn.Module):
             intermediate_size=config.intermediate_size,
             quant_config=quant_config,
             reduce_results=True,
+            prefix=f"{prefix}.experts",
         )
         self.shared_experts = LlamaMLP(
             config.hidden_size,
@@ -301,7 +303,9 @@ class AriaTextDecoderLayer(LlamaDecoderLayer):
         prefix: str = "",
     ) -> None:
         super().__init__(config, cache_config, quant_config, prefix)
-        self.mlp = AriaTextMoELayer(config, quant_config=quant_config)
+        self.mlp = AriaTextMoELayer(config,
+                                    quant_config=quant_config,
+                                    prefix=f"{prefix}.mlp")
 
 
 class AriaTextModel(LlamaModel, SupportsQuant):

vllm/model_executor/models/dbrx.py

@@ -65,6 +65,7 @@ class DbrxExperts(FusedMoE):
         config: DbrxConfig,
         quant_config: Optional[QuantizationConfig] = None,
         params_dtype: Optional[torch.dtype] = None,
+        prefix: str = "",
     ):
         super().__init__(
             num_experts=config.ffn_config.moe_num_experts,
@@ -76,6 +77,7 @@ class DbrxExperts(FusedMoE):
             renormalize=True,
             quant_config=quant_config,
             tp_size=get_tensor_model_parallel_world_size(),
+            prefix=prefix,
         )
         self.config = config
         self.tp_size = get_tensor_model_parallel_world_size()
@@ -139,6 +141,7 @@ class DbrxMoE(nn.Module):
         config: DbrxConfig,
         quant_config: Optional[QuantizationConfig] = None,
         params_dtype: Optional[torch.dtype] = None,
+        prefix: str = "",
     ):
         super().__init__()
         self.d_model = config.d_model
@@ -150,7 +153,8 @@ class DbrxMoE(nn.Module):
 
         self.experts = DbrxExperts(config=config,
                                    quant_config=quant_config,
-                                   params_dtype=self.params_dtype)
+                                   params_dtype=self.params_dtype,
+                                   prefix=f"{prefix}.experts")
 
     def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
         orig_shape = hidden_states.shape
@@ -291,7 +295,7 @@ class DbrxBlock(nn.Module):
             cache_config,
             quant_config,
             prefix=f"{prefix}.norm_attn_norm")
-        self.ffn = DbrxMoE(config, quant_config)
+        self.ffn = DbrxMoE(config, quant_config, prefix=f"{prefix}.ffn")
 
     def forward(
         self,

vllm/model_executor/models/jamba.py

@@ -47,7 +47,8 @@ class JambaMoE(nn.Module):
                  top_k: Optional[int] = None,
                  params_dtype: Optional[torch.dtype] = None,
                  tp_size: Optional[int] = None,
-                 quant_config: Optional[QuantizationConfig] = None):
+                 quant_config: Optional[QuantizationConfig] = None,
+                 prefix: str = ""):
         super().__init__()
         self.num_total_experts = num_experts or config.num_experts
         self.top_k = top_k or config.num_experts_per_tok
@@ -70,7 +71,8 @@ class JambaMoE(nn.Module):
                                 reduce_results=True,
                                 renormalize=False,
                                 use_grouped_topk=False,
-                                quant_config=quant_config)
+                                quant_config=quant_config,
+                                prefix=f"{prefix}.experts")
 
     def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
         orig_shape = hidden_states.shape
@@ -92,13 +94,15 @@ class JambaMLP(JambaMoE):
                  config: JambaConfig,
                  params_dtype: Optional[torch.dtype] = None,
                  tp_size: Optional[int] = None,
-                 quant_config: Optional[QuantizationConfig] = None):
+                 quant_config: Optional[QuantizationConfig] = None,
+                 prefix: str = ""):
         super().__init__(config,
                          num_experts=1,
                          top_k=1,
                          params_dtype=params_dtype,
                          tp_size=tp_size,
-                         quant_config=quant_config)
+                         quant_config=quant_config,
+                         prefix=prefix)
 
 
 class JambaMambaDecoderLayer(nn.Module):
@@ -109,6 +113,7 @@ class JambaMambaDecoderLayer(nn.Module):
                  cache_config: Optional[CacheConfig] = None,
                  quant_config: Optional[QuantizationConfig] = None,
                  is_lora_enabled: Optional[bool] = False,
+                 prefix: str = "",
                  **kwargs) -> None:
         super().__init__()
         self.config = config
@@ -129,7 +134,9 @@ class JambaMambaDecoderLayer(nn.Module):
 
         num_experts = config.layers_num_experts[layer_idx]
         ffn_layer_class = JambaMoE if num_experts > 1 else JambaMLP
-        self.feed_forward = ffn_layer_class(config, quant_config=quant_config)
+        self.feed_forward = ffn_layer_class(config,
+                                            quant_config=quant_config,
+                                            prefix=f"{prefix}.feed_forward")
         self.input_layernorm = RMSNorm(config.hidden_size,
                                        eps=config.rms_norm_eps)
         self.pre_ff_layernorm = RMSNorm(config.hidden_size,
@@ -211,7 +218,9 @@ class JambaAttentionDecoderLayer(nn.Module):
 
         num_experts = config.layers_num_experts[layer_idx]
         ffn_layer_class = JambaMoE if num_experts > 1 else JambaMLP
-        self.feed_forward = ffn_layer_class(config, quant_config=quant_config)
+        self.feed_forward = ffn_layer_class(config,
+                                            quant_config=quant_config,
+                                            prefix=f"{prefix}.feed_forward")
         self.input_layernorm = RMSNorm(config.hidden_size,
                                        eps=config.rms_norm_eps)
         self.pre_ff_layernorm = RMSNorm(config.hidden_size,

vllm/model_executor/models/mixtral.py

@@ -71,6 +71,7 @@ class MixtralMoE(nn.Module):
                  params_dtype: Optional[torch.dtype] = None,
                  quant_config: Optional[QuantizationConfig] = None,
                  tp_size: Optional[int] = None,
+                 dp_size: Optional[int] = None,
                  prefix: str = ""):
         super().__init__()
         self.hidden_size = hidden_size
@@ -93,6 +94,7 @@ class MixtralMoE(nn.Module):
                                 renormalize=True,
                                 quant_config=quant_config,
                                 tp_size=tp_size,
+                                dp_size=dp_size,
                                 prefix=f"{prefix}.experts")
 
     def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:

vllm/model_executor/models/olmoe.py

@@ -80,7 +80,8 @@ class OlmoeMoE(nn.Module):
                                 reduce_results=True,
                                 renormalize=False,
                                 quant_config=quant_config,
-                                tp_size=tp_size)
+                                tp_size=tp_size,
+                                prefix=f"{prefix}.experts")
 
     def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
         # NOTE: hidden_states can have either 1D or 2D shape.
@@ -212,6 +213,7 @@ class OlmoeDecoderLayer(nn.Module):
             hidden_size=config.hidden_size,
             intermediate_size=config.intermediate_size,
             quant_config=quant_config,
+            prefix=f"{prefix}.mlp",
         )
         self.input_layernorm = RMSNorm(config.hidden_size, eps=1e-5)
         self.post_attention_layernorm = RMSNorm(config.hidden_size, eps=1e-5)

vllm/model_executor/models/phimoe.py

@@ -249,6 +249,7 @@ class PhiMoE(nn.Module):
         params_dtype: Optional[torch.dtype] = None,
         quant_config: Optional[QuantizationConfig] = None,
         tp_size: Optional[int] = None,
+        prefix: str = "",
     ):
         super().__init__()
         self.hidden_size = hidden_size
@@ -272,7 +273,8 @@ class PhiMoE(nn.Module):
             renormalize=False,
             quant_config=quant_config,
             tp_size=tp_size,
-            custom_routing_function=phimoe_routing_function)
+            custom_routing_function=phimoe_routing_function,
+            prefix=f"{prefix}.experts")
 
     def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
         # NOTE: hidden_states can have either 1D or 2D shape.
@@ -396,6 +398,7 @@ class PhiMoEDecoderLayer(nn.Module):
             hidden_size=config.hidden_size,
             intermediate_size=config.intermediate_size,
             quant_config=quant_config,
+            prefix=f"{prefix}.block_sparse_moe",
         )
         self.input_layernorm = nn.LayerNorm(config.hidden_size,
                                             eps=config.rms_norm_eps,

vllm/model_executor/models/qwen2_moe.py

@@ -100,6 +100,7 @@ class Qwen2MoeSparseMoeBlock(nn.Module):
         self,
         config: PretrainedConfig,
         quant_config: Optional[QuantizationConfig] = None,
+        prefix: str = "",
     ):
         super().__init__()
         self.tp_size = get_tensor_model_parallel_world_size()
@@ -115,7 +116,8 @@ class Qwen2MoeSparseMoeBlock(nn.Module):
                                 intermediate_size=config.moe_intermediate_size,
                                 reduce_results=False,
                                 renormalize=config.norm_topk_prob,
-                                quant_config=quant_config)
+                                quant_config=quant_config,
+                                prefix=f"{prefix}.experts")
 
         self.gate = ReplicatedLinear(config.hidden_size,
                                      config.num_experts,
@@ -277,7 +279,8 @@ class Qwen2MoeDecoderLayer(nn.Module):
                 config.num_experts > 0 and
             (layer_idx + 1) % config.decoder_sparse_step == 0):
             self.mlp = Qwen2MoeSparseMoeBlock(config=config,
-                                              quant_config=quant_config)
+                                              quant_config=quant_config,
+                                              prefix=f"{prefix}.mlp")
         else:
             self.mlp = Qwen2MoeMLP(
                 hidden_size=config.hidden_size,

vllm/platforms/cuda.py

@@ -111,6 +111,7 @@ class CudaPlatformBase(Platform):
     def check_and_update_config(cls, vllm_config: VllmConfig) -> None:
         parallel_config = vllm_config.parallel_config
         scheduler_config = vllm_config.scheduler_config
+        compilation_config = vllm_config.compilation_config
 
         if parallel_config.worker_cls == "auto":
             if scheduler_config.is_multi_step:
@@ -150,6 +151,14 @@ class CudaPlatformBase(Platform):
                 "FlashMLA: Forcing kv cache block size to 64 since this"
                 " is currently the only block size supported by the kernel.")
 
+        if (parallel_config.data_parallel_size > 1
+                and compilation_config.use_cudagraph):
+            logger.info(
+                "Data Parallel: Forcing enforce eager to be True since DP is "
+                "currently not supported with CUDA Graphs.")
+            vllm_config.model_config.enforce_eager = True
+            compilation_config.use_cudagraph = False
+
     @classmethod
     def get_current_memory_usage(cls,
                                  device: Optional[torch.types.Device] = None

vllm/utils.py

@@ -2196,8 +2196,8 @@ def bind_kv_cache(
     from vllm.model_executor.models.utils import extract_layer_index
     layer_need_kv_cache = [
         layer_name for layer_name in ctx
-        if ctx[layer_name].attn_type in (AttentionType.DECODER,
-                                         AttentionType.ENCODER_DECODER)
+        if (hasattr(ctx[layer_name], 'attn_type') and ctx[layer_name].attn_type
+            in (AttentionType.DECODER, AttentionType.ENCODER_DECODER))
     ]
     layer_index_sorted = sorted(
         set(

vllm/v1/engine/core.py

@@ -149,7 +149,6 @@ class EngineCore:
         if not self.scheduler.has_unfinished_requests():
             return EngineCoreOutputs(
                 outputs=[], scheduler_stats=self.scheduler.make_stats())
-
         scheduler_output = self.scheduler.schedule()
         output = self.model_executor.execute_model(scheduler_output)
         engine_core_outputs = self.scheduler.update_from_output(

vllm/v1/worker/gpu_model_runner.py

@@ -17,6 +17,7 @@ from vllm.distributed.parallel_state import get_pp_group, graph_capture
 from vllm.forward_context import set_forward_context
 from vllm.inputs import INPUT_REGISTRY
 from vllm.logger import init_logger
+from vllm.model_executor.layers.fused_moe import FusedMoE
 from vllm.model_executor.layers.rotary_embedding import MRotaryEmbedding
 from vllm.model_executor.model_loader import get_model
 from vllm.multimodal import MULTIMODAL_REGISTRY, MultiModalKwargs
@@ -1400,6 +1401,9 @@ class GPUModelRunner(LoRAModelRunnerMixin):
         block_size = self.vllm_config.cache_config.block_size
         kv_cache_spec: KVCacheSpec = {}
         for layer_name, attn_module in forward_ctx.items():
+            if isinstance(attn_module, FusedMoE):
+                continue
+
             # TODO: Support other attention modules, e.g., sliding window,
             # cross-attention, MLA.
             assert isinstance(attn_module, Attention)