refactor(qwen3_5_mtp): drop unused _draft_kv_slot attribute

sufubao · sufubao · commit 9bc3eabd3bad · 2026-06-05T14:50:53.000+08:00
The write-only layer_infer._draft_kv_slot was never read anywhere; the
KV-slot mapping is fully expressed via layer_num_ = draft_kv_slot * interval.
diff --git a/lightllm/models/qwen3_5_mtp/model.py b/lightllm/models/qwen3_5_mtp/model.py
@@ -97,7 +97,6 @@ def _assign_draft_kv_slot(self):
             )
         draft_kv_slot = main_full_att + draft_idx
         layer_infer = self.layers_infer[0]
-        layer_infer._draft_kv_slot = draft_kv_slot
         layer_infer.layer_num_ = draft_kv_slot * interval
         logger.info(
             f"Qwen3.5 MTP draft layer assigned dedicated full-attn KV slot {draft_kv_slot} "

Original file line number	Diff line number	Diff line change
`@@ -97,7 +97,6 @@ def _assign_draft_kv_slot(self):`
`97`	`97`	`)`
`98`	`98`	`draft_kv_slot = main_full_att + draft_idx`
`99`	`99`	`layer_infer = self.layers_infer[0]`
`100`		`- layer_infer._draft_kv_slot = draft_kv_slot`
`101`	`100`	`layer_infer.layer_num_ = draft_kv_slot * interval`
`102`	`101`	`logger.info(`
`103`	`102`	`f"Qwen3.5 MTP draft layer assigned dedicated full-attn KV slot {draft_kv_slot} "`