63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
|
/*
|
||
|
* Copyright (C) 2013 The Android Open Source Project
|
||
|
*
|
||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
* you may not use this file except in compliance with the License.
|
||
|
* You may obtain a copy of the License at
|
||
|
*
|
||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
*
|
||
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
* See the License for the specific language governing permissions and
|
||
|
* limitations under the License.
|
||
|
*/
|
||
|
|
||
|
#include "benchmark.h"
|
||
|
|
||
|
#include <math.h>
|
||
|
|
||
|
// Avoid optimization.
|
||
|
double d;
|
||
|
double v;
|
||
|
|
||
|
static void BM_math_sqrt(int iters) {
|
||
|
StartBenchmarkTiming();
|
||
|
|
||
|
d = 0.0;
|
||
|
v = 2.0;
|
||
|
for (int i = 0; i < iters; ++i) {
|
||
|
d += sqrt(v);
|
||
|
}
|
||
|
|
||
|
StopBenchmarkTiming();
|
||
|
}
|
||
|
BENCHMARK(BM_math_sqrt);
|
||
|
|
||
|
static void BM_math_log10(int iters) {
|
||
|
StartBenchmarkTiming();
|
||
|
|
||
|
d = 0.0;
|
||
|
v = 1234.0;
|
||
|
for (int i = 0; i < iters; ++i) {
|
||
|
d += log10(v);
|
||
|
}
|
||
|
|
||
|
StopBenchmarkTiming();
|
||
|
}
|
||
|
BENCHMARK(BM_math_log10);
|
||
|
|
||
|
static void BM_math_logb(int iters) {
|
||
|
StartBenchmarkTiming();
|
||
|
|
||
|
d = 0.0;
|
||
|
v = 1234.0;
|
||
|
for (int i = 0; i < iters; ++i) {
|
||
|
d += logb(v);
|
||
|
}
|
||
|
|
||
|
StopBenchmarkTiming();
|
||
|
}
|
||
|
BENCHMARK(BM_math_logb);
|