platform_bionic/benchmarks/math_benchmark.cpp
Adhemerval Zanella 72fe1c8df6 Add pow benchmark
As for exp/exp2 benchmark, this patch add two benchmark for pow:
one which measures thoughput and one which measures latency.

The input data is the same as powf.

Test: ran 32-bit and 64-bit x86 tests on host
Change-Id: I04335fac9e76fb3f39935323dacf6b7be6a6f917
2018-08-08 18:04:48 -03:00

566 lines
14 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 <fenv.h>
#include <math.h>
#include <benchmark/benchmark.h>
#include "util.h"
static const double values[] = { 1234.0, nan(""), HUGE_VAL, 0.0 };
static const char* names[] = { "1234.0", "nan", "HUGE_VAL", "0.0" };
static void SetLabel(benchmark::State& state) {
state.SetLabel(names[state.range(0)]);
}
// Avoid optimization.
volatile double d;
volatile double v;
volatile float f;
static float zero = 0.0f;
static double zerod = 0.0f;
static void BM_math_sqrt(benchmark::State& state) {
d = 0.0;
v = 2.0;
while (state.KeepRunning()) {
d += sqrt(v);
}
}
BIONIC_BENCHMARK(BM_math_sqrt);
static void BM_math_log10(benchmark::State& state) {
d = 0.0;
v = 1234.0;
while (state.KeepRunning()) {
d += log10(v);
}
}
BIONIC_BENCHMARK(BM_math_log10);
static void BM_math_logb(benchmark::State& state) {
d = 0.0;
v = 1234.0;
while (state.KeepRunning()) {
d += logb(v);
}
}
BIONIC_BENCHMARK(BM_math_logb);
static void BM_math_isfinite_macro(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += isfinite(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isfinite_macro, "MATH_COMMON");
static void BM_math_isfinite(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += isfinite(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isfinite, "MATH_COMMON");
static void BM_math_isinf_macro(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += isinf(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isinf_macro, "MATH_COMMON");
static void BM_math_isinf(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += (isinf)(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isinf, "MATH_COMMON");
static void BM_math_isnan_macro(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += isnan(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isnan_macro, "MATH_COMMON");
static void BM_math_isnan(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += (isnan)(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isnan, "MATH_COMMON");
static void BM_math_isnormal_macro(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += isnormal(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isnormal_macro, "MATH_COMMON");
static void BM_math_isnormal(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += isnormal(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_isnormal, "MATH_COMMON");
static void BM_math_sin_fast(benchmark::State& state) {
d = 1.0;
while (state.KeepRunning()) {
d += sin(d);
}
}
BIONIC_BENCHMARK(BM_math_sin_fast);
static void BM_math_sin_feupdateenv(benchmark::State& state) {
d = 1.0;
while (state.KeepRunning()) {
fenv_t __libc_save_rm;
feholdexcept(&__libc_save_rm);
fesetround(FE_TONEAREST);
d += sin(d);
feupdateenv(&__libc_save_rm);
}
}
BIONIC_BENCHMARK(BM_math_sin_feupdateenv);
static void BM_math_sin_fesetenv(benchmark::State& state) {
d = 1.0;
while (state.KeepRunning()) {
fenv_t __libc_save_rm;
feholdexcept(&__libc_save_rm);
fesetround(FE_TONEAREST);
d += sin(d);
fesetenv(&__libc_save_rm);
}
}
BIONIC_BENCHMARK(BM_math_sin_fesetenv);
static void BM_math_fpclassify(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += fpclassify(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_fpclassify, "MATH_COMMON");
static void BM_math_signbit_macro(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += signbit(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_signbit_macro, "MATH_COMMON");
static void BM_math_signbit(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += signbit(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_signbit, "MATH_COMMON");
static void BM_math_fabs_macro(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += fabs(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_fabs_macro, "MATH_COMMON");
static void BM_math_fabs(benchmark::State& state) {
d = 0.0;
v = values[state.range(0)];
while (state.KeepRunning()) {
d += (fabs)(v);
}
SetLabel(state);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_fabs, "MATH_COMMON");
static void BM_math_sincos(benchmark::State& state) {
d = 1.0;
while (state.KeepRunning()) {
double s, c;
sincos(d, &s, &c);
d += s + c;
}
}
BIONIC_BENCHMARK(BM_math_sincos);
#include "expf_input.cpp"
static void BM_math_expf_speccpu2017(benchmark::State& state) {
f = 0.0;
auto cin = expf_input.cbegin();
for (auto _ : state) {
f = expf(*cin);
if (++cin == expf_input.cend())
cin = expf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_expf_speccpu2017);
static void BM_math_expf_speccpu2017_latency(benchmark::State& state) {
f = 0.0;
auto cin = expf_input.cbegin();
for (auto _ : state) {
f = expf(f * zero + *cin);
if (++cin == expf_input.cend())
cin = expf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_expf_speccpu2017_latency);
// Create a double version of expf_input to avoid overhead of float to
// double conversion.
static const std::vector<double> exp_input (expf_input.begin(),
expf_input.end());
static void BM_math_exp_speccpu2017(benchmark::State& state) {
d = 0.0;
auto cin = exp_input.cbegin();
for (auto _ : state) {
d = exp(*cin);
if (++cin == exp_input.cend())
cin = exp_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_exp_speccpu2017);
static void BM_math_exp_speccpu2017_latency(benchmark::State& state) {
d = 0.0;
auto cin = exp_input.cbegin();
for (auto _ : state) {
d = exp(d * zerod + *cin);
if (++cin == exp_input.cend())
cin = exp_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_exp_speccpu2017_latency);
static void BM_math_exp2f_speccpu2017(benchmark::State& state) {
f = 0.0;
auto cin = expf_input.cbegin();
for (auto _ : state) {
f = exp2f(*cin);
if (++cin == expf_input.cend())
cin = expf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_exp2f_speccpu2017);
static void BM_math_exp2f_speccpu2017_latency(benchmark::State& state) {
f = 0.0;
auto cin = expf_input.cbegin();
for (auto _ : state) {
f = exp2f(f * zero + *cin);
if (++cin == expf_input.cend())
cin = expf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_exp2f_speccpu2017_latency);
static void BM_math_exp2_speccpu2017(benchmark::State& state) {
d = 0.0;
auto cin = exp_input.cbegin();
for (auto _ : state) {
f = exp2(*cin);
if (++cin == exp_input.cend())
cin = exp_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_exp2_speccpu2017);
static void BM_math_exp2_speccpu2017_latency(benchmark::State& state) {
d = 0.0;
auto cin = exp_input.cbegin();
for (auto _ : state) {
f = exp2(d * zero + *cin);
if (++cin == exp_input.cend())
cin = exp_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_exp2_speccpu2017_latency);
#include "powf_input.cpp"
static const std::vector<std::pair<double, double>> pow_input
(powf_input.begin(), powf_input.end());
static void BM_math_powf_speccpu2006(benchmark::State& state) {
f = 0.0;
auto cin = powf_input.cbegin();
for (auto _ : state) {
f = powf(cin->first, cin->second);
if (++cin == powf_input.cend())
cin = powf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_powf_speccpu2006);
static void BM_math_powf_speccpu2017_latency(benchmark::State& state) {
f = 0.0;
auto cin = powf_input.cbegin();
for (auto _ : state) {
f = powf(f * zero + cin->first, cin->second);
if (++cin == powf_input.cend())
cin = powf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_powf_speccpu2017_latency);
static void BM_math_pow_speccpu2006(benchmark::State& state) {
d = 0.0;
auto cin = pow_input.cbegin();
for (auto _ : state) {
f = pow(cin->first, cin->second);
if (++cin == pow_input.cend())
cin = pow_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_pow_speccpu2006);
static void BM_math_pow_speccpu2017_latency(benchmark::State& state) {
d = 0.0;
auto cin = pow_input.cbegin();
for (auto _ : state) {
d = powf(d * zero + cin->first, cin->second);
if (++cin == pow_input.cend())
cin = pow_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_pow_speccpu2017_latency);
#include "logf_input.cpp"
static const std::vector<double> log_input (logf_input.begin(),
logf_input.end());
static void BM_math_logf_speccpu2017(benchmark::State& state) {
f = 0.0;
auto cin = logf_input.cbegin();
for (auto _ : state) {
f = logf(*cin);
if (++cin == logf_input.cend())
cin = logf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_logf_speccpu2017);
static void BM_math_logf_speccpu2017_latency(benchmark::State& state) {
f = 0.0;
auto cin = logf_input.cbegin();
for (auto _ : state) {
f = logf(f * zero + *cin);
if (++cin == logf_input.cend())
cin = logf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_logf_speccpu2017_latency);
static void BM_math_log_speccpu2017(benchmark::State& state) {
d = 0.0;
auto cin = log_input.cbegin();
for (auto _ : state) {
d = log(*cin);
if (++cin == log_input.cend())
cin = log_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_log_speccpu2017);
static void BM_math_log_speccpu2017_latency(benchmark::State& state) {
d = 0.0;
auto cin = log_input.cbegin();
for (auto _ : state) {
d = log(d * zerod + *cin);
if (++cin == log_input.cend())
cin = log_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_log_speccpu2017_latency);
static void BM_math_log2f_speccpu2017(benchmark::State& state) {
f = 0.0;
auto cin = logf_input.cbegin();
for (auto _ : state) {
f = log2f(*cin);
if (++cin == logf_input.cend())
cin = logf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_log2f_speccpu2017);
static void BM_math_log2_speccpu2017_latency(benchmark::State& state) {
d = 0.0;
auto cin = log_input.cbegin();
for (auto _ : state) {
d = log2(d * zerod + *cin);
if (++cin == log_input.cend())
cin = log_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_log2_speccpu2017_latency);
static void BM_math_log2_speccpu2017(benchmark::State& state) {
d = 0.0;
auto cin = log_input.cbegin();
for (auto _ : state) {
d = log2(*cin);
if (++cin == log_input.cend())
cin = log_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_log2_speccpu2017);
static void BM_math_log2f_speccpu2017_latency(benchmark::State& state) {
f = 0.0;
auto cin = logf_input.cbegin();
for (auto _ : state) {
f = log2f(f * zero + *cin);
if (++cin == logf_input.cend())
cin = logf_input.cbegin();
}
}
BIONIC_BENCHMARK(BM_math_log2f_speccpu2017_latency);
// Four ranges of values are checked:
// * 0.0 <= x < 0.1
// * 0.1 <= x < 0.7
// * 0.7 <= x < 3.1
// * -3.1 <= x < 3.1
// * 3.3 <= x < 33.3
// * 100.0 <= x < 1000.0
// * 1e6 <= x < 1e32
// * 1e32 < x < FLT_MAX
#include "sincosf_input.cpp"
static void BM_math_sinf(benchmark::State& state) {
auto range = sincosf_input[state.range(0)];
auto cin = range.values.cbegin();
f = 0.0;
for (auto _ : state) {
f = sinf(*cin);
if (++cin == range.values.cend())
cin = range.values.cbegin();
}
state.SetLabel(range.label);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_sinf, "MATH_SINCOS_COMMON");
static void BM_math_sinf_latency(benchmark::State& state) {
auto range = sincosf_input[state.range(0)];
auto cin = range.values.cbegin();
f = 0.0;
for (auto _ : state) {
f = sinf(f * zero + *cin);
if (++cin == range.values.cend())
cin = range.values.cbegin();
}
state.SetLabel(range.label);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_sinf_latency, "MATH_SINCOS_COMMON");
static void BM_math_cosf(benchmark::State& state) {
auto range = sincosf_input[state.range(0)];
auto cin = range.values.cbegin();
f = 0.0;
for (auto _ : state) {
f = cosf(*cin);
if (++cin == range.values.cend())
cin = range.values.cbegin();
}
state.SetLabel(range.label);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_cosf, "MATH_SINCOS_COMMON");
static void BM_math_cosf_latency(benchmark::State& state) {
auto range = sincosf_input[state.range(0)];
auto cin = range.values.cbegin();
f = 0.0;
for (auto _ : state) {
f = cosf(f * zero + *cin);
if (++cin == range.values.cend())
cin = range.values.cbegin();
}
state.SetLabel(range.label);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_cosf_latency, "MATH_SINCOS_COMMON");
static void BM_math_sincosf(benchmark::State& state) {
auto range = sincosf_input[state.range(0)];
auto cin = range.values.cbegin();
f = 0.0;
for (auto _ : state) {
float s, c;
sincosf(*cin, &s, &c);
f += s;
if (++cin == range.values.cend())
cin = range.values.cbegin();
}
state.SetLabel(range.label);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_sincosf, "MATH_SINCOS_COMMON");
static void BM_math_sincosf_latency(benchmark::State& state) {
auto range = sincosf_input[state.range(0)];
auto cin = range.values.cbegin();
f = 0.0;
for (auto _ : state) {
float s, c;
sincosf(f * zero + *cin, &s, &c);
f += s;
if (++cin == range.values.cend())
cin = range.values.cbegin();
}
state.SetLabel(range.label);
}
BIONIC_BENCHMARK_WITH_ARG(BM_math_sincosf_latency, "MATH_SINCOS_COMMON");