From 593ef5981d0336bbe745936b166cd24ec754cac4 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Wed, 31 Oct 2018 13:36:34 +0000
Subject: [PATCH] perf_timer: call reserve on new timer array

to avoid reallocations in the vast majority of the time
---
 src/common/perf_timer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/common/perf_timer.cpp b/src/common/perf_timer.cpp
index 6910ebdd4..c5503416f 100644
--- a/src/common/perf_timer.cpp
+++ b/src/common/perf_timer.cpp
@@ -110,6 +110,7 @@ LoggingPerformanceTimer::LoggingPerformanceTimer(const std::string &s, uint64_t
   {
     MLOG(level, "PERF             ----------");
     performance_timers = new std::vector<LoggingPerformanceTimer*>();
+    performance_timers->reserve(16); // how deep before realloc
   }
   else
   {