public void RenderLatex()
{
// Seems to be some sort of problem running this in Rider - it just hangs
var katexJsLatexProcessor = new KatexJsLatexProcessor();
string html1 = katexJsLatexProcessor.RenderToString("c = \\pm\\sqrt{a^2 + b^2}");
string html2 = katexJsLatexProcessor.RenderToString("c = \\pm\\sqrt{a^2 + b^2}");
Assert.NotNull(html1);
Assert.NotNull(html2);
}
public void RenderToStringSpeedTestMultiThreaded()
{
// Seems to be some sort of problem running this in Rider - it just hangs
var stopwatch = new Stopwatch();
stopwatch.Start();
int renders = 1000;
// Optimal jintEngine count seems to be 4 on Surface Book 2
var katexJsLatexProcessor = new KatexJsLatexProcessor(4, 2000);
long initialisationMilliseconds = stopwatch.ElapsedMilliseconds;
// initialisationMilliseconds tests out at about 500 ms - significant overhead
_testOutputHelper.WriteLine($"{nameof(initialisationMilliseconds)}: {initialisationMilliseconds}");
stopwatch.Restart();
var options = new ParallelOptions {
MaxDegreeOfParallelism = 10
};
Parallel.For(0, renders, options, async i =>
{
_ = katexJsLatexProcessor.RenderToString("c = \\pm\\sqrt{a^2 + b^2}");
});
stopwatch.Stop();
long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
double millisecondsPerRender = elapsedMilliseconds / (double)renders;
_testOutputHelper.WriteLine($"{nameof(millisecondsPerRender)}: {millisecondsPerRender}");
_testOutputHelper.WriteLine($"{stopwatch.ElapsedMilliseconds}: {elapsedMilliseconds}");
Assert.True(millisecondsPerRender < 100);
}
public void RenderLatexSpeedTest()
{
// Seems to be some sort of problem running this in Rider - it just hangs
var stopwatch = new Stopwatch();
stopwatch.Start();
int renders = 1000;
var katexJsLatexProcessor = new KatexJsLatexProcessor();
long initialisationMilliseconds = stopwatch.ElapsedMilliseconds;
// katexScriptInitMilliseconds tests out at about 0.5 seconds - significant overhead
_testOutputHelper.WriteLine($"{nameof(initialisationMilliseconds)}: {initialisationMilliseconds}");
stopwatch.Restart();
for (int i = 0; i < renders; i++)
{
_ = katexJsLatexProcessor.RenderToString("c = \\pm\\sqrt{a^2 + b^2}");
}
stopwatch.Stop();
long elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
double millisecondsPerRender = elapsedMilliseconds / (double)renders;
_testOutputHelper.WriteLine($"{nameof(millisecondsPerRender)}: {millisecondsPerRender}");
// 0.281 seconds if creating new KatexScript per render but only 0.025 if reusing over tested over 10000 iterations.
// So there is capacity for 40 renders / second on test hardware (Surface Book 2). With caching for server side rendering
// this should be performant enough per server.
Assert.True(millisecondsPerRender < 100);
}
public void RenderToStringSpeedTestMultiThreadedFlooded()
{
int renders = 1000;
// Optimal jintEngine count seems to be 4 on Surface Book 2
var katexJsLatexProcessor = new KatexJsLatexProcessor(1, 500);
var options = new ParallelOptions {
MaxDegreeOfParallelism = 100
};
// Aggregate exception made up of timeouts
Assert.Throws <AggregateException>(() =>
{
Parallel.For(0, renders, options, i =>
{
_ = katexJsLatexProcessor.RenderToString("c = \\pm\\sqrt{a^2 + b^2}");
});
});
}
