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[fix] Distinguish the import path for compute_routing_metadata based on device type #1209

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Merged
Mecoli1219 merged 1 commit into from
Apr 30, 2026
Merged

[fix] Distinguish the import path for compute_routing_metadata based on device type #1209

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1 change: 0 additions & 1 deletion src/liger_kernel/ops/backends/_ascend/ops/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,6 @@
from liger_kernel.ops.backends._ascend.ops.fused_linear_jsd import fused_linear_jsd_backward
from liger_kernel.ops.backends._ascend.ops.fused_linear_jsd import fused_linear_jsd_forward
from liger_kernel.ops.backends._ascend.ops.fused_moe import LigerFusedMoEFunction
from liger_kernel.ops.backends._ascend.ops.fused_moe import compute_routing_metadata
from liger_kernel.ops.backends._ascend.ops.fused_neighborhood_attention import LigerFusedNeighborhoodAttentionFunction
from liger_kernel.ops.backends._ascend.ops.fused_neighborhood_attention import fused_neighborhood_attention_forward
from liger_kernel.ops.backends._ascend.ops.geglu import LigerGELUMulFunction
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6 changes: 5 additions & 1 deletion test/transformers/test_fused_moe.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,15 @@
import torch.nn as nn

from liger_kernel.ops import LigerFusedMoEFunction
from liger_kernel.ops import compute_routing_metadata
from liger_kernel.utils import infer_device

device = infer_device()

if device == "npu":
from liger_kernel.ops.backends._ascend.ops.fused_moe import compute_routing_metadata
else:
from liger_kernel.ops.fused_moe import compute_routing_metadata


# ---------------------------------------------------------------------------
# Reference implementation (original Python loop)
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