fix(overlap): skip empty future interval for dp attention idle ranks (#25473)

2026-05-16 02:08:01 -07:00
parent 7f37ffae9d
commit d1eb472a7a
1 changed files with 3 additions and 0 deletions
@@ -163,6 +163,9 @@ class FutureMap:
    ):
        if self.spec_algo.is_none():
            intv = future_indices.interval
+            if self.is_empty_slice(intv):
+                # idle indices in dp attention do not need store info
+                return
            self.token_ids_buf[intv] = batch_result.next_token_ids
        else:
            draft_input: EagleDraftInput = batch_result.next_draft_input