refactor: Preallocate PrevectorFillVector(In)Direct without vector re…

…size The prevector benchmarks were likely not trying to measure vector resize performance.
niziming · Nov 25, 2024 · 152fefe · 152fefe
1 parent a774c7a
commit 152fefe
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/bench/prevector.cpp b/src/bench/prevector.cpp
@@ -87,6 +87,7 @@ static void PrevectorFillVectorDirect(benchmark::Bench& bench)
 {
     bench.run([&] {
         std::vector<prevector<28, T>> vec;
+        vec.reserve(260);
         for (size_t i = 0; i < 260; ++i) {
             vec.emplace_back();
         }
@@ -99,6 +100,7 @@ static void PrevectorFillVectorIndirect(benchmark::Bench& bench)
 {
     bench.run([&] {
         std::vector<prevector<28, T>> vec;
+        vec.reserve(260);
         for (size_t i = 0; i < 260; ++i) {
             // force allocation
             vec.emplace_back(29, T{});