Overlap shared experts with deepep dispatch for single batch overlap on Blackwell (#17289)

2026-01-21 02:56:55 +08:00
parent 16802fb6b2
commit 6ea491e439
4 changed files with 53 additions and 1 deletions
--- a/python/sglang/srt/batch_overlap/single_batch_overlap.py
+++ b/python/sglang/srt/batch_overlap/single_batch_overlap.py
@@ -41,7 +41,11 @@ class SboFlags:

    @classmethod
    def enable_combine_shared_two_stream_overlap(cls):
-        return is_sbo_enabled() and not cls.enable_dispatch_shared_one_stream_overlap()
+        return (
+            is_sbo_enabled()
+            and not cls.enable_dispatch_shared_one_stream_overlap()
+            and not envs.SGLANG_BLACKWELL_OVERLAP_SHARED_EXPERTS_OUTSIDE_SBO.get()
+        )

    @classmethod
    def enable_dispatch_shared_one_stream_overlap(cls):