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Include performance file and results
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@mborland
mborland committed Oct 15, 2022
1 parent a481675 commit a1fe973
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126 changes: 126 additions & 0 deletions reporting/performance/new_next_performance.cpp
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// (C) Copyright Matt Borland 2022.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <boost/math/special_functions/next.hpp>
#include <benchmark/benchmark.h>

template <typename T>
void float_distance(benchmark::State& state)
{
const auto difference = static_cast<int>(state.range(0));
T left = 2;
T right = boost::math::float_advance(left, difference);

for (auto _ : state)
{
benchmark::DoNotOptimize(boost::math::float_distance(left, right));
}
state.SetComplexityN(state.range(0));
}

BENCHMARK_TEMPLATE(float_distance, float)->RangeMultiplier(2)->Range(1 << 1, 1 << 14)->Complexity()->UseRealTime();
BENCHMARK_TEMPLATE(float_distance, double)->RangeMultiplier(2)->Range(1 << 1, 1 << 14)->Complexity()->UseRealTime();

BENCHMARK_MAIN();

/*
Run on Apple M1 Pro Arch using Apple Clang 14.0.0 (15OCT22)
Original performance (Boost 1.80.0):
Unable to determine clock rate from sysctl: hw.cpufrequency: No such file or directory
This does not affect benchmark measurements, only the metadata output.
2022-10-15T15:24:07-07:00
Running ./new_next_performance
Run on (10 X 24.0916 MHz CPU s)
CPU Caches:
L1 Data 64 KiB
L1 Instruction 128 KiB
L2 Unified 4096 KiB (x10)
Load Average: 1.86, 2.53, 5.83
---------------------------------------------------------------------------------
Benchmark Time CPU Iterations
---------------------------------------------------------------------------------
float_distance<float>/2/real_time 61.4 ns 61.4 ns 9074469
float_distance<float>/4/real_time 61.7 ns 61.7 ns 11384150
float_distance<float>/8/real_time 61.4 ns 61.4 ns 10814604
float_distance<float>/16/real_time 61.7 ns 61.7 ns 11348376
float_distance<float>/32/real_time 61.4 ns 61.4 ns 11387167
float_distance<float>/64/real_time 61.6 ns 61.6 ns 11131932
float_distance<float>/128/real_time 61.4 ns 61.4 ns 11382029
float_distance<float>/256/real_time 61.4 ns 61.4 ns 11307649
float_distance<float>/512/real_time 61.4 ns 61.4 ns 11376048
float_distance<float>/1024/real_time 61.4 ns 61.4 ns 11355748
float_distance<float>/2048/real_time 61.8 ns 61.8 ns 11373776
float_distance<float>/4096/real_time 61.4 ns 61.4 ns 11382368
float_distance<float>/8192/real_time 61.4 ns 61.4 ns 11353453
float_distance<float>/16384/real_time 61.4 ns 61.4 ns 11378298
float_distance<float>/real_time_BigO 61.48 (1) 61.47 (1)
float_distance<float>/real_time_RMS 0 % 0 %
float_distance<double>/2/real_time 55.6 ns 55.6 ns 12580218
float_distance<double>/4/real_time 55.6 ns 55.6 ns 12577835
float_distance<double>/8/real_time 55.6 ns 55.6 ns 12564909
float_distance<double>/16/real_time 56.2 ns 56.2 ns 12554909
float_distance<double>/32/real_time 56.0 ns 56.0 ns 12544381
float_distance<double>/64/real_time 55.6 ns 55.6 ns 12566488
float_distance<double>/128/real_time 55.6 ns 55.6 ns 12499581
float_distance<double>/256/real_time 55.6 ns 55.6 ns 12565661
float_distance<double>/512/real_time 56.1 ns 56.1 ns 12550023
float_distance<double>/1024/real_time 55.8 ns 55.8 ns 12568603
float_distance<double>/2048/real_time 55.6 ns 55.6 ns 12546049
float_distance<double>/4096/real_time 55.6 ns 55.6 ns 12528525
float_distance<double>/8192/real_time 55.9 ns 55.9 ns 12563030
float_distance<double>/16384/real_time 56.0 ns 56.0 ns 12447644
float_distance<double>/real_time_BigO 55.78 (1) 55.78 (1)
float_distance<double>/real_time_RMS 0 % 0 %
New performance:
Unable to determine clock rate from sysctl: hw.cpufrequency: No such file or directory
This does not affect benchmark measurements, only the metadata output.
2022-10-15T15:31:37-07:00
Running ./new_next_performance
Run on (10 X 24.122 MHz CPU s)
CPU Caches:
L1 Data 64 KiB
L1 Instruction 128 KiB
L2 Unified 4096 KiB (x10)
Load Average: 2.12, 2.17, 4.26
---------------------------------------------------------------------------------
Benchmark Time CPU Iterations
---------------------------------------------------------------------------------
float_distance<float>/2/real_time 15.8 ns 15.8 ns 42162717
float_distance<float>/4/real_time 15.9 ns 15.9 ns 44213877
float_distance<float>/8/real_time 15.8 ns 15.8 ns 43972542
float_distance<float>/16/real_time 15.8 ns 15.8 ns 44209456
float_distance<float>/32/real_time 15.8 ns 15.8 ns 44200244
float_distance<float>/64/real_time 15.8 ns 15.8 ns 44239293
float_distance<float>/128/real_time 15.8 ns 15.8 ns 44171202
float_distance<float>/256/real_time 15.8 ns 15.8 ns 44241507
float_distance<float>/512/real_time 15.9 ns 15.8 ns 44230034
float_distance<float>/1024/real_time 15.8 ns 15.8 ns 44241554
float_distance<float>/2048/real_time 15.8 ns 15.8 ns 44220802
float_distance<float>/4096/real_time 15.8 ns 15.8 ns 44220441
float_distance<float>/8192/real_time 15.9 ns 15.9 ns 44213994
float_distance<float>/16384/real_time 15.8 ns 15.8 ns 44215413
float_distance<float>/real_time_BigO 15.83 (1) 15.83 (1)
float_distance<float>/real_time_RMS 0 % 0 %
float_distance<double>/2/real_time 15.5 ns 15.5 ns 45098165
float_distance<double>/4/real_time 15.6 ns 15.6 ns 45065465
float_distance<double>/8/real_time 15.5 ns 15.5 ns 45058733
float_distance<double>/16/real_time 15.8 ns 15.7 ns 45078404
float_distance<double>/32/real_time 15.5 ns 15.5 ns 44832734
float_distance<double>/64/real_time 15.5 ns 15.5 ns 45077303
float_distance<double>/128/real_time 15.5 ns 15.5 ns 45067255
float_distance<double>/256/real_time 15.5 ns 15.5 ns 45073844
float_distance<double>/512/real_time 15.6 ns 15.6 ns 45109342
float_distance<double>/1024/real_time 15.5 ns 15.5 ns 44845180
float_distance<double>/2048/real_time 15.5 ns 15.5 ns 45051846
float_distance<double>/4096/real_time 15.5 ns 15.5 ns 45064317
float_distance<double>/8192/real_time 15.5 ns 15.5 ns 45115653
float_distance<double>/16384/real_time 15.5 ns 15.5 ns 45067642
float_distance<double>/real_time_BigO 15.54 (1) 15.54 (1)
float_distance<double>/real_time_RMS 0 % 0 %
*/

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