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Diffstat (limited to 'src/bench/Examples.cpp')
-rw-r--r-- | src/bench/Examples.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/bench/Examples.cpp b/src/bench/Examples.cpp new file mode 100644 index 0000000000..b6b020a971 --- /dev/null +++ b/src/bench/Examples.cpp @@ -0,0 +1,34 @@ +// Copyright (c) 2015 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include "bench.h" +#include "main.h" +#include "utiltime.h" + +// Sanity test: this should loop ten times, and +// min/max/average should be close to 100ms. +static void Sleep100ms(benchmark::State& state) +{ + while (state.KeepRunning()) { + MilliSleep(100); + } +} + +BENCHMARK(Sleep100ms); + +// Extremely fast-running benchmark: +#include <math.h> + +volatile double sum = 0.0; // volatile, global so not optimized away + +static void Trig(benchmark::State& state) +{ + double d = 0.01; + while (state.KeepRunning()) { + sum += sin(d); + d += 0.000001; + } +} + +BENCHMARK(Trig); |