Line data    Source code

       1             : // Copyright (c) 2015 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include "bench.h"
       6             : #include "main.h"
       7             : #include "utiltime.h"
       8             : 
       9             : // Sanity test: this should loop ten times, and
      10             : // min/max/average should be close to 100ms.
      11           0 : static void Sleep100ms(benchmark::State& state)
      12             : {
      13           0 :     while (state.KeepRunning()) {
      14           0 :         MilliSleep(100);
      15             :     }
      16           0 : }
      17             : 
      18           0 : BENCHMARK(Sleep100ms);
      19             : 
      20             : // Extremely fast-running benchmark:
      21             : #include <math.h>
      22             : 
      23             : volatile double sum = 0.0; // volatile, global so not optimized away
      24             : 
      25           0 : static void Trig(benchmark::State& state)
      26             : {
      27           0 :     double d = 0.01;
      28           0 :     while (state.KeepRunning()) {
      29           0 :         sum += sin(d);
      30           0 :         d += 0.000001;
      31             :     }
      32           0 : }
      33             : 
      34           0 : BENCHMARK(Trig);