From 0659f8d93c4d0e41838f715e384ff5dc027cd2ef Mon Sep 17 00:00:00 2001
From: Brandon Potter <brandon.potter@amd.com>
Date: Fri, 27 Sep 2024 15:17:57 -0500
Subject: [PATCH] Poll the signal from one thread instead of all

---
 src/memory/notifier.hpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/memory/notifier.hpp b/src/memory/notifier.hpp
index b72a256f15..946a9c291e 100644
--- a/src/memory/notifier.hpp
+++ b/src/memory/notifier.hpp
@@ -78,9 +78,12 @@ class Notifier {
       }
     }
 
-    while (detail::atomic::load<uint32_t, scope>(&signal_, orders_) != done) {
-      ;
+    if (executor) {
+      while (detail::atomic::load<uint32_t, scope>(&signal_, orders_) != done) {
+        ;
+      }
     }
+    __syncthreads();
   }
 
  private: