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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 6, 17:00 UTC

[Models][Qwen3 ViT] Keep `max_seqlen` on CPU to prevent D2H sync (#37139)

Signed-off-by: Lukas Geiger <lukas.geiger94@gmail.com> Co-authored-by: Isotr0py <mozf@mail2.sysu.edu.cn>

Lukas Geiger committed Mar 16, 2026 at 12:11 UTC f9e6db30349d7ec70410981b1f634a1e661e61e1
1 file changed -1
vllm/model_executor/models/qwen3_vl.py
-1
@@ -557,7 +557,6 @@ class Qwen3_VisionTransformer(nn.Module):
557 max_seqlen = torch.tensor(
558 MMEncoderAttention.compute_max_seqlen(self.attn_backend, cu_seqlens),
559 dtype=torch.int32,
560 - device=self.device,
560 )
561 cu_seqlens = MMEncoderAttention.maybe_recompute_cu_seqlens(
562 self.attn_backend,