From e56771365b446fa7f51a17d67f3fbe560baaa5a5 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Wed, 23 May 2018 14:14:58 +0200
Subject: Do not use uppercase characters in source code filenames

---
 src/bench/examples.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/bench/examples.cpp

(limited to 'src/bench/examples.cpp')

diff --git a/src/bench/examples.cpp b/src/bench/examples.cpp
new file mode 100644
index 000000000..b68c9cd15
--- /dev/null
+++ b/src/bench/examples.cpp
@@ -0,0 +1,34 @@
+// Copyright (c) 2015-2017 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/bench.h>
+#include <validation.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, 10);
+
+// 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, 12 * 1000 * 1000);
-- 
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