layers: Optimize small_vector constructor

KhronosGroup · Mar 6, 2025 · de9221f · de9221f
1 parent 3ea34d9
commit de9221f
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/layers/containers/custom_containers.h b/layers/containers/custom_containers.h
@@ -160,13 +160,14 @@ class small_vector {
     }
 
     small_vector(size_type size, const value_type &value = value_type()) : size_(0), capacity_(N), working_store_(GetSmallStore()) {
-        reserve(size);
-        auto dest = GetWorkingStore();
-        for (size_type i = 0; i < size; i++) {
-            new (dest) value_type(value);
-            ++dest;
+        if (size > 0) {
+            reserve(size);
+            auto dest = GetWorkingStore();
+            for (size_type i = 0; i < size; i++) {
+                new (&dest[i]) value_type(value);
+            }
+            size_ = size;
         }
-        size_ = size;
     }
 
     ~small_vector() { clear(); }