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A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 8, 10:00 UTC

[Bugfix] Fix some issues with MoERunner PR #32344 (#34371)

Signed-off-by: Bill Nell <bnell@redhat.com>

bnellnm committed Feb 11, 2026 at 17:33 UTC 31d992d215a05ad2e4f17653ddff0f515f865914
2 files changed +6 -3
vllm/model_executor/layers/fused_moe/layer.py
+2 -3
@@ -700,7 +700,7 @@ class FusedMoE(CustomOp):
700
701 @property
702 def gate(self) -> torch.nn.Module | None:
703 - return self._gate
703 + return self._gate if self.use_overlapped else None
704
705 @property
706 def tp_size(self):
@@ -725,7 +725,7 @@ class FusedMoE(CustomOp):
725 @property
726 def is_internal_router(self) -> bool:
727 # By default, router/gate is called before FusedMoE forward pass
728 - return self._gate is not None
728 + return self.gate is not None
729
730 def _maybe_init_expert_routing_tables(
731 self,
@@ -1457,7 +1457,6 @@ class FusedMoE(CustomOp):
1457 hidden_states: torch.Tensor,
1458 router_logits: torch.Tensor,
1459 ) -> torch.Tensor | tuple[torch.Tensor, torch.Tensor]:
1460 - self.ensure_moe_quant_config_init()
1460 return self.runner.forward(
1461 hidden_states,
1462 router_logits,
vllm/model_executor/layers/fused_moe/runner/default_moe_runner.py
+4
@@ -63,6 +63,8 @@ def _moe_forward(
63 layer_name: str,
64 ) -> torch.Tensor:
65 layer = get_layer_from_name(layer_name)
66 + # TODO(bnell): this can be removed after MK migration is complete.
67 + layer.ensure_moe_quant_config_init()
68 return layer.runner.forward_impl(
69 layer, hidden_states, router_logits, shared_experts_input
70 )
@@ -84,6 +86,8 @@ def _moe_forward_shared(
86 layer_name: str,
87 ) -> tuple[torch.Tensor, torch.Tensor]:
88 layer = get_layer_from_name(layer_name)
89 + # TODO(bnell): this can be removed after MK migration is complete.
90 + layer.ensure_moe_quant_config_init()
91 return layer.runner.forward_impl(
92 layer, hidden_states, router_logits, shared_experts_input
93 )