From 1b1bf1f43c2b5d30e23968595888af40b22b2dfb Mon Sep 17 00:00:00 2001
From: starry <1359755959@qq.com>
Date: Mon, 4 May 2026 22:28:01 +0800
Subject: [PATCH] Use compare_exchange_weak in steal loop for potential
 performance improvement

---
 src/bthread/work_stealing_queue.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bthread/work_stealing_queue.h b/src/bthread/work_stealing_queue.h
index 06e9ed074c..138aaa6ba8 100644
--- a/src/bthread/work_stealing_queue.h
+++ b/src/bthread/work_stealing_queue.h
@@ -128,7 +128,7 @@ class WorkStealingQueue {
                 return false;
             }
             *val = _buffer[t & (_capacity - 1)];
-        } while (!_top.compare_exchange_strong(t, t + 1,
+        } while (!_top.compare_exchange_weak(t, t + 1,
                                                butil::memory_order_seq_cst,
                                                butil::memory_order_relaxed));
         return true;