public Timings Generate()
{
var combinations = new Dictionary <string, RunDescription>()
{
{ "legacy csproj (net461)", new RunDescription {
ProjectFile = "Out_legacy.csproj",
} },
{ "net461", new RunDescription {
ProjectFile = "Out_net461.csproj",
} },
{ "netstandard2.0 libraries", new RunDescription {
ProjectFile = "Out_net461_consume_standard.csproj",
} },
{ "netcoreapp2.0", new RunDescription {
ProjectFile = "Out_netcoreapp2.0.csproj",
} },
};
var timings = new Timings
{
DotnetVersion = DotnetVersion(),
DotnetFileVersion = DotnetFileVersion(),
};
DotnetSdkVersion(timings);
var runCount = 5;
var outFolder = Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, @"..\Out"));
var totalRuns = runCount * combinations.Keys.Count;
var currentRun = 0;
foreach (var description in combinations.Keys)
{
var timing = new Timing
{
Description = description,
};
var runDescription = combinations[description];
var runTimes = new List <Timing>();
for (var i = 0; i < runCount; i++)
{
currentRun++;
Console.WriteLine($"\n\nRun {currentRun} of {totalRuns} {description} run {i + 1} of {runCount}\n");
var runTime = Time(outFolder, runDescription);
runTimes.Add(runTime);
}
timing.Build = TimeSpan.FromTicks(runTimes.Sum(rt => rt.Build.Ticks) / runTimes.Count);
timing.IncrementalBuildWithoutChange = TimeSpan.FromTicks(runTimes.Sum(rt => rt.IncrementalBuildWithoutChange.Ticks) / runTimes.Count);
timing.IncrementalBuildWithChange = TimeSpan.FromTicks(runTimes.Sum(rt => rt.IncrementalBuildWithChange.Ticks) / runTimes.Count);
timings.Frameworks.Add(timing);
}
return(timings);
}
private static void ReportToConsole(Timings timings)
{
Console.WriteLine($"\n\n\n");
Console.WriteLine($"Timing Results");
Console.WriteLine($"==============\n");
Console.WriteLine($"dotnet.exe --version: {timings.DotnetVersion}");
Console.WriteLine($"dotnet.exe: {timings.DotnetFileVersion}");
Console.WriteLine($"\nSDK:");
Console.WriteLine($"{timings.SdkVersion}");
Console.WriteLine($"{timings.SdkBuildVersion}");
Console.WriteLine();
Console.WriteLine("Description Build Incremental Incremental ");
Console.WriteLine(" (with change)(no changes) ");
Console.WriteLine("-----------------------------------------------------------------");
foreach (var timing in timings.Frameworks)
{
Console.WriteLine($"{timing.Description.PadRight(25)} {Seconds(timing.Build).PadRight(12)} {Seconds(timing.IncrementalBuildWithChange).PadRight(12)} {Seconds(timing.IncrementalBuildWithoutChange).PadRight(12)}");
}
Console.WriteLine("\nMultiplier\n");
long?baselineBuild = null;
long?baselineIncrementalWithoutChange = null;
long?baselineIncrementalWithChange = null;
foreach (var timing in timings.Frameworks)
{
var buildTicks = timing.Build.Ticks;
var incrementalWithoutChangeTicks = timing.IncrementalBuildWithoutChange.Ticks;
var incrementalWithChangeTicks = timing.IncrementalBuildWithChange.Ticks;
baselineBuild = baselineBuild ?? buildTicks;
baselineIncrementalWithoutChange = baselineIncrementalWithoutChange ?? incrementalWithoutChangeTicks;
baselineIncrementalWithChange = baselineIncrementalWithChange ?? incrementalWithChangeTicks;
var buildMultiplier = buildTicks / (double)baselineBuild.Value;
var incrementalWithoutChangeMultiplier = incrementalWithoutChangeTicks / (double)baselineIncrementalWithoutChange;
var incrementalWithChangeMultiplier = incrementalWithChangeTicks / (double)baselineIncrementalWithChange;
Console.WriteLine($"{timing.Description.PadRight(25)} {Multiplier(buildMultiplier).PadRight(12)} {Multiplier(incrementalWithChangeMultiplier).PadRight(12)} {Multiplier(incrementalWithoutChangeMultiplier).PadRight(12)}");
}
}
private void DotnetSdkVersion(Timings timings)
{
var info = Exec.GetOutput(Path.GetDirectoryName(DotnetExe), DotnetExe, "--info");
var lastLines = info.Split("\n")
.Where(l => l.Trim().Length > 0)
.TakeLast(2)
.ToList();
if (lastLines.Count < 1)
{
return;
}
timings.SdkVersion = lastLines[0];
if (lastLines.Count < 2)
{
return;
}
timings.SdkBuildVersion = lastLines[1];
}
