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Don't fuse wk+weight_proj for nextn (#12863)

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This commit is contained in:
Trevor Morris
2025-11-11 20:02:52 -08:00
committed by GitHub
parent 2f9952cdbf
commit 151e13687a
1 changed files with 4 additions and 2 deletions
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6
python/sglang/srt/models/deepseek_v2.py
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@@ -3593,8 +3593,10 @@ class DeepseekV2ForCausalLM(nn.Module):
self.config.q_lora_rank is not None
)
cached_a_proj = {} if fuse_qkv_a_proj else None
fuse_wk_and_weights_proj = is_nsa_indexer_wk_and_weights_proj_fused(
self.config, self.quant_config
# Fuse wk and weights_proj when NSA Indexer is enabled and quant_config is FP4. For nextn, fp4 is disabled so we cannot fuse.
fuse_wk_and_weights_proj = (
is_nsa_indexer_wk_and_weights_proj_fused(self.config, self.quant_config)
and not is_nextn
)
cached_wk_and_weights_proj = {} if fuse_wk_and_weights_proj else None