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bug fix for Ascend npu #11407

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bug fix for Ascend npu #11407

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84a77b4
fix bug for Ascend npu
ash-sigh Oct 10, 2025
3c534de
fix npu graph index_head_dim AttributeError due to DS-V3.2 changes(#1…
Alexhaoge Oct 10, 2025
338fe1f
transfer out_indices to int
ash-sigh Oct 13, 2025
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2 changes: 1 addition & 1 deletion python/sglang/srt/mem_cache/allocator_ascend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ def alloc_extend(
assert len(torch.unique(out_indices)) == len(out_indices)

self.free_pages = self.free_pages[num_new_pages_item:]
return out_indices
return out_indices.int()

def alloc_decode(
self,
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2 changes: 1 addition & 1 deletion python/sglang/srt/model_executor/npu_graph_runner.py
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Expand Up @@ -75,7 +75,7 @@ def replay(
self.positions[: self.raw_num_token].copy_(forward_batch.positions)

# Replay
if self.model_runner.model_config.index_head_dim is None:
if getattr(self.model_runner.model_config, "index_head_dim", None) is None:
seq_lens = forward_batch.seq_lens.cpu().tolist() + [0] * (
self.bs - self.raw_bs
)
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2 changes: 2 additions & 0 deletions python/sglang/srt/multimodal/processors/base_processor.py
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Expand Up @@ -237,8 +237,10 @@ def process_mm_data(
if not _is_npu:
kwargs["device"] = "cuda"
elif processor.__class__.__name__ not in {
"Qwen2VLProcessor",
"Qwen2_5_VLProcessor",
"Qwen3VLProcessor",
"Glm4vProcessor",
}:
# Note: for qwen-vl, processor has some reshape issue because of dims restriction on Ascend.
kwargs["device"] = "npu"
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