[HiCache] Support DCP with DSpark (#35221)

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-19 01:42:19 -07:00
parent 9113fc6d93
commit 0e4a09480c
4 changed files with 42 additions and 6 deletions
@@ -7502,11 +7502,11 @@ class ServerArgs:
                "backup and the storage keys must become dcp_rank-aware "
                "first. Run HiCache+DCP with L1/L2 only."
            )
-        if self.speculative_algorithm is not None:
+        if self.speculative_algorithm not in (None, "DSPARK"):
            raise NotImplementedError(
-                "HiCache with --dcp-size > 1 does not support speculative "
-                "decoding yet (the draft-model host pool has no DCP index "
-                "translation)."
+                "HiCache with --dcp-size > 1 only supports DSPARK speculative "
+                "decoding; other draft-model host pools have no DCP index "
+                "translation."
            )
        if self.enable_lmcache:
            raise NotImplementedError(