From 152fefe7a22b7da3cfe2815083634bece9c5654e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C5=91rinc?= <pap.lorinc@gmail.com>
Date: Mon, 18 Nov 2024 16:18:10 +0100
Subject: [PATCH] refactor: Preallocate PrevectorFillVector(In)Direct without
 vector resize

The prevector benchmarks were likely not trying to measure vector resize performance.
---
 src/bench/prevector.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/bench/prevector.cpp b/src/bench/prevector.cpp
index 9b83c42693fd3..adc3d18de000c 100644
--- 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{});