This gist lists various C++ 'quick benchmarks' that have been written on quick-bench.com to test/verify various hypotheses. Quick Bench makes use of Google Benchmark.
Reserve in a vector vs not reserve
Cost of data indirection (e.g. direct vs pointer vs pointer-to-pointer)
| function InitializeSetup(): Boolean; | |
| var | |
| oldVersion: String; | |
| uninstaller: String; | |
| ErrorCode: Integer; | |
| begin | |
| if RegKeyExists(HKEY_LOCAL_MACHINE, | |
| 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{F768F6BA-F164-4599-BC26-DCCFC2F76855}_is1') then | |
| begin | |
| RegQueryStringValue(HKEY_LOCAL_MACHINE, |
| // ... application includes here | |
| // CMSIS Math includes | |
| #include "arm_math.h" | |
| #include "arm_const_structs.h" | |
| // using a 1024 point signal | |
| #define FFT_SAMPLES 1024 | |
| #define FFT_SAMPLES_HALF (FFT_SAMPLES / 2) |
| // CMSIS Math | |
| #include "arm_math.h" | |
| #include "arm_const_structs.h" | |
| #define SIG_SAMPLES 1024 | |
| #define BLOCK_SIZE 32; | |
| #include "SWAsignal.h" | |
| static float32_t filtSignal[SIG_SAMPLES]; | |
| // FILTER |
| /** Numerical Analysis 9th ed - Burden, Faires (Ch. 3 Natural Cubic Spline, Pg. 149) */ | |
| #include <stdio.h> | |
| int main() { | |
| /** Step 0 */ | |
| int n, i, j; | |
| scanf("%d", &n); | |
| n--; | |
| float x[n + 1], a[n + 1], h[n], A[n], l[n + 1], | |
| u[n + 1], z[n + 1], c[n + 1], b[n], d[n]; |
| #!/usr/bin/env python | |
| # Implementation of algorithm from http://stackoverflow.com/a/22640362/6029703 | |
| import numpy as np | |
| import pylab | |
| def thresholding_algo(y, lag, threshold, influence): | |
| signals = np.zeros(len(y)) | |
| filteredY = np.array(y) | |
| avgFilter = [0]*len(y) | |
| stdFilter = [0]*len(y) |
| <Page | |
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | |
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | |
| xmlns:dd="urn:gong-wpf-dragdrop"> | |
| <Grid> | |
| <ItemsControl x:Name="pnlBilder" | |
| HorizontalAlignment="Center" | |
| Width="300" Height="100" | |
| dd:DragDrop.IsDragSource="True" | |
| ScrollViewer.HorizontalScrollBarVisibility="Disabled" |
| #define WIN32_LEAN_AND_MEAN | |
| #include <winsock2.h> | |
| #include <windows.h> | |
| #define SECURITY_WIN32 | |
| #include <security.h> | |
| #include <schannel.h> | |
| #include <shlwapi.h> | |
| #include <assert.h> | |
| #include <stdio.h> |
| def app_path(): | |
| """ | |
| Return the path of the application. | |
| """ | |
| if getattr(sys, 'frozen', False): | |
| return os.path.dirname(sys.executable) | |
| return os.path.dirname(__file__) |
| <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" | |
| DefaultTargets="Settings"> | |
| <PropertyGroup> | |
| <productVersion>0.1.1</productVersion> | |
| </PropertyGroup> | |
| <UsingTask | |
| TaskName="ExtractRevisionHash" | |
| TaskFactory="CodeTaskFactory" |
