[Doc] update codes in sgemm with double buffering

PaddleJitLab · Feb 22, 2024 · c498526 · c498526
1 parent 5f8f30c
commit c498526
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/docs/11_gemm_optimize/04_double_buffer/README.md b/docs/11_gemm_optimize/04_double_buffer/README.md
@@ -73,6 +73,9 @@ for (uint bk_idx = 0; bk_idx < K; bk_idx += BK)
     B += BK * N;
 
     // 原来的同步就不要了
+    ...
+
+    write_index = 1 - write_index; // 切换读写指针
 }
 ```