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perf_timer: call reserve on new timer array

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to avoid reallocations in the vast majority of the time
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moneromooo-monero 2018-10-31 13:36:34 +00:00
parent 6ecc99ad1f
commit 593ef5981d
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src/common/perf_timer.cpp
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@ -110,6 +110,7 @@ LoggingPerformanceTimer::LoggingPerformanceTimer(const std::string &s, uint64_t
{ {
MLOG(level, "PERF ----------"); MLOG(level, "PERF ----------");
performance_timers = new std::vector<LoggingPerformanceTimer*>(); performance_timers = new std::vector<LoggingPerformanceTimer*>();
performance_timers->reserve(16); // how deep before realloc
} }
else else
{ {