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Include performance file and results
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‎reporting/performance/new_next_performance.cpp

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// (C) Copyright Matt Borland 2022.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/math/special_functions/next.hpp>
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#include <benchmark/benchmark.h>
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template <typename T>
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void float_distance(benchmark::State& state)
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{
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const auto difference = static_cast<int>(state.range(0));
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T left = 2;
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T right = boost::math::float_advance(left, difference);
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for (auto _ : state)
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{
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benchmark::DoNotOptimize(boost::math::float_distance(left, right));
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}
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state.SetComplexityN(state.range(0));
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}
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BENCHMARK_TEMPLATE(float_distance, float)->RangeMultiplier(2)->Range(1 << 1, 1 << 14)->Complexity()->UseRealTime();
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BENCHMARK_TEMPLATE(float_distance, double)->RangeMultiplier(2)->Range(1 << 1, 1 << 14)->Complexity()->UseRealTime();
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BENCHMARK_MAIN();
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/*
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Run on Apple M1 Pro Arch using Apple Clang 14.0.0 (15OCT22)
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Original performance (Boost 1.80.0):
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Unable to determine clock rate from sysctl: hw.cpufrequency: No such file or directory
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This does not affect benchmark measurements, only the metadata output.
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2022-10-15T15:24:07-07:00
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Running ./new_next_performance
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Run on (10 X 24.0916 MHz CPU s)
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CPU Caches:
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L1 Data 64 KiB
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L1 Instruction 128 KiB
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L2 Unified 4096 KiB (x10)
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Load Average: 1.86, 2.53, 5.83
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---------------------------------------------------------------------------------
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Benchmark Time CPU Iterations
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---------------------------------------------------------------------------------
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float_distance<float>/2/real_time 61.4 ns 61.4 ns 9074469
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float_distance<float>/4/real_time 61.7 ns 61.7 ns 11384150
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float_distance<float>/8/real_time 61.4 ns 61.4 ns 10814604
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float_distance<float>/16/real_time 61.7 ns 61.7 ns 11348376
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float_distance<float>/32/real_time 61.4 ns 61.4 ns 11387167
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float_distance<float>/64/real_time 61.6 ns 61.6 ns 11131932
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float_distance<float>/128/real_time 61.4 ns 61.4 ns 11382029
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float_distance<float>/256/real_time 61.4 ns 61.4 ns 11307649
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float_distance<float>/512/real_time 61.4 ns 61.4 ns 11376048
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float_distance<float>/1024/real_time 61.4 ns 61.4 ns 11355748
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float_distance<float>/2048/real_time 61.8 ns 61.8 ns 11373776
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float_distance<float>/4096/real_time 61.4 ns 61.4 ns 11382368
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float_distance<float>/8192/real_time 61.4 ns 61.4 ns 11353453
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float_distance<float>/16384/real_time 61.4 ns 61.4 ns 11378298
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float_distance<float>/real_time_BigO 61.48 (1) 61.47 (1)
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float_distance<float>/real_time_RMS 0 % 0 %
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float_distance<double>/2/real_time 55.6 ns 55.6 ns 12580218
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float_distance<double>/4/real_time 55.6 ns 55.6 ns 12577835
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float_distance<double>/8/real_time 55.6 ns 55.6 ns 12564909
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float_distance<double>/16/real_time 56.2 ns 56.2 ns 12554909
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float_distance<double>/32/real_time 56.0 ns 56.0 ns 12544381
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float_distance<double>/64/real_time 55.6 ns 55.6 ns 12566488
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float_distance<double>/128/real_time 55.6 ns 55.6 ns 12499581
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float_distance<double>/256/real_time 55.6 ns 55.6 ns 12565661
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float_distance<double>/512/real_time 56.1 ns 56.1 ns 12550023
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float_distance<double>/1024/real_time 55.8 ns 55.8 ns 12568603
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float_distance<double>/2048/real_time 55.6 ns 55.6 ns 12546049
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float_distance<double>/4096/real_time 55.6 ns 55.6 ns 12528525
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float_distance<double>/8192/real_time 55.9 ns 55.9 ns 12563030
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float_distance<double>/16384/real_time 56.0 ns 56.0 ns 12447644
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float_distance<double>/real_time_BigO 55.78 (1) 55.78 (1)
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float_distance<double>/real_time_RMS 0 % 0 %
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New performance:
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Unable to determine clock rate from sysctl: hw.cpufrequency: No such file or directory
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This does not affect benchmark measurements, only the metadata output.
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2022-10-15T15:31:37-07:00
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Running ./new_next_performance
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Run on (10 X 24.122 MHz CPU s)
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CPU Caches:
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L1 Data 64 KiB
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L1 Instruction 128 KiB
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L2 Unified 4096 KiB (x10)
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Load Average: 2.12, 2.17, 4.26
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---------------------------------------------------------------------------------
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Benchmark Time CPU Iterations
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---------------------------------------------------------------------------------
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float_distance<float>/2/real_time 15.8 ns 15.8 ns 42162717
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float_distance<float>/4/real_time 15.9 ns 15.9 ns 44213877
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float_distance<float>/8/real_time 15.8 ns 15.8 ns 43972542
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float_distance<float>/16/real_time 15.8 ns 15.8 ns 44209456
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float_distance<float>/32/real_time 15.8 ns 15.8 ns 44200244
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float_distance<float>/64/real_time 15.8 ns 15.8 ns 44239293
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float_distance<float>/128/real_time 15.8 ns 15.8 ns 44171202
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float_distance<float>/256/real_time 15.8 ns 15.8 ns 44241507
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float_distance<float>/512/real_time 15.9 ns 15.8 ns 44230034
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float_distance<float>/1024/real_time 15.8 ns 15.8 ns 44241554
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float_distance<float>/2048/real_time 15.8 ns 15.8 ns 44220802
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float_distance<float>/4096/real_time 15.8 ns 15.8 ns 44220441
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float_distance<float>/8192/real_time 15.9 ns 15.9 ns 44213994
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float_distance<float>/16384/real_time 15.8 ns 15.8 ns 44215413
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float_distance<float>/real_time_BigO 15.83 (1) 15.83 (1)
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float_distance<float>/real_time_RMS 0 % 0 %
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float_distance<double>/2/real_time 15.5 ns 15.5 ns 45098165
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float_distance<double>/4/real_time 15.6 ns 15.6 ns 45065465
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float_distance<double>/8/real_time 15.5 ns 15.5 ns 45058733
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float_distance<double>/16/real_time 15.8 ns 15.7 ns 45078404
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float_distance<double>/32/real_time 15.5 ns 15.5 ns 44832734
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float_distance<double>/64/real_time 15.5 ns 15.5 ns 45077303
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float_distance<double>/128/real_time 15.5 ns 15.5 ns 45067255
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float_distance<double>/256/real_time 15.5 ns 15.5 ns 45073844
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float_distance<double>/512/real_time 15.6 ns 15.6 ns 45109342
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float_distance<double>/1024/real_time 15.5 ns 15.5 ns 44845180
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float_distance<double>/2048/real_time 15.5 ns 15.5 ns 45051846
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float_distance<double>/4096/real_time 15.5 ns 15.5 ns 45064317
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float_distance<double>/8192/real_time 15.5 ns 15.5 ns 45115653
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float_distance<double>/16384/real_time 15.5 ns 15.5 ns 45067642
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float_distance<double>/real_time_BigO 15.54 (1) 15.54 (1)
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float_distance<double>/real_time_RMS 0 % 0 %
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*/

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