From 7072c544b52774ac5a22835121e8e2747ad61158 Mon Sep 17 00:00:00 2001
From: Gavin Andresen <gavinandresen@gmail.com>
Date: Tue, 29 Sep 2015 17:17:24 -0400
Subject: Support very-fast-running benchmarks

Avoid calling gettimeofday every time through the benchmarking loop, by keeping
track of how long each loop takes and doubling the number of iterations done
between time checks when they take less than 1/16'th of the total elapsed time.
---
 src/bench/bench.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/bench/bench.h')

diff --git a/src/bench/bench.h b/src/bench/bench.h
index fee9b8c38d..bf591a2be6 100644
--- a/src/bench/bench.h
+++ b/src/bench/bench.h
@@ -41,10 +41,12 @@ namespace benchmark {
         double beginTime;
         double lastTime, minTime, maxTime;
         int64_t count;
+        int64_t timeCheckCount;
     public:
         State(std::string _name, double _maxElapsed) : name(_name), maxElapsed(_maxElapsed), count(0) {
             minTime = std::numeric_limits<double>::max();
             maxTime = std::numeric_limits<double>::min();
+            timeCheckCount = 1;
         }
         bool KeepRunning();
     };
-- 
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