public async Task Stress_Vm_FromStrategy(int childrenCount, int rank, IJavascriptObjectBuilderStrategyFactory strategyFactory)
{
var root = new SimpleFatherTestViewModel();
var test = new TestInContextAsync()
{
Bind = (win) => HtmlBinding.Bind(win, root, JavascriptBindingMode.TwoWay, strategyFactory),
Test = async(mb) =>
{
var bigVm = SimpleReadOnlyTestViewModel.BuildBigVm(childrenCount, rank);
var js = mb.JsRootObject;
var stopWatch = new Stopwatch();
stopWatch.Start();
await DoSafeAsyncUI(() => root.Other = bigVm);
await Task.Delay(DelayForTimeOut);
var other = await _WebView.EvaluateAsync(() => GetAttribute(js, "Other"));
stopWatch.Stop();
var ts = stopWatch.ElapsedMilliseconds - DelayForTimeOut;
_Logger.Info($"Perf: {((double)(ts)) / 1000} sec");
other.IsObject.Should().BeTrue();
}
};
await RunAsync(test);
}
public async Task Stress_Big_Vm(int childrenCount)
{
var root = new SimpleFatherTestViewModel();
var test = new TestInContextAsync()
{
Bind = (win) => HtmlBinding.Bind(win, root, JavascriptBindingMode.TwoWay),
Test = async mb => await StressVm(root, mb, SimpleReadOnlyTestViewModel.BuildBigVm(childrenCount))
};
await RunAsync(test);
}
public void Map_performance_test()
{
var converter = GetCSharpToJavascriptConverterForPerformance();
var vm = SimpleReadOnlyTestViewModel.BuildBigVm();
using (GetPerformanceCounter("ToJson large Vm"))
{
var res = JsonConvert.SerializeObject(vm);
}
using (GetPerformanceCounter("Map large Vm"))
{
var res = converter.Map(vm);
}
}
private async Task StressVm(SimpleFatherTestViewModel root, IHtmlBinding mb, SimpleReadOnlyTestViewModel bigVm)
{
var js = mb.JsRootObject;
IJavascriptObject other;
using (var perf = GetPerformanceCounter("Perf to bind Vm"))
{
await DoSafeAsyncUI(() => root.Other = bigVm);
await WaitAnotherUiCycleAsync();
await Task.Delay(DelayForTimeOut);
perf.DiscountTime = DelayForTimeOut;
other = await _WebView.EvaluateAsync(() => GetAttribute(js, "Other"));
}
other.IsObject.Should().BeTrue();
var rootJs = mb.JsBrideRootObject;
ISet <IJsCsGlue> allChildren = new HashSet <IJsCsGlue>();
using (GetPerformanceCounter("Perf to VisitAllChildren"))
{
await DoSafeAsyncUI(() => rootJs.VisitDescendantsSafe(glue => true));
}
using (GetPerformanceCounter("Perf to VisitAllChildren Collect"))
{
await DoSafeAsyncUI(() => rootJs.VisitDescendantsSafe(glue => allChildren.Add(glue)));
}
_TestOutputHelper.WriteLine($"Objects created {allChildren.Count}");
using (GetPerformanceCounter("Perf Foreach GetAllChildren"))
{
await DoSafeAsyncUI(() => allChildren.ForEach(_ => { }));
}
List <object> basics = null;
using (GetPerformanceCounter("Perf Collecting basics"))
{
basics = allChildren.Where(g => g.Type == JsCsGlueType.Basic && g.CValue != null).Select(g => g.CValue).ToList();
}
string string1, string2, string3, string4;
using (GetPerformanceCounter("Creating string"))
{
string1 = $"[{string.Join(",", basics.Select(JavascriptNamer.GetCreateExpression))}]";
}
using (GetPerformanceCounter("Creating string parralel"))
{
var builder = new StringBuilder("[");
var first = true;
Parallel.ForEach(basics, () => new Builder(), (basic, _, sb) =>
{
if (!sb.First)
{
sb.String.Append(",");
}
sb.String.Append(basic);
sb.First = false;
return(sb);
},
(sb) =>
{
lock (builder)
{
if (!first)
{
builder.Append(",");
}
first = false;
builder.Append(sb.String);
}
});
builder.Append("]");
string2 = builder.ToString();
}
var array = basics.ToArray();
using (GetPerformanceCounter("Creating JSON string"))
{
string3 = JsonConvert.SerializeObject(array);
}
using (GetPerformanceCounter("Creating JSON string bigVm"))
{
string4 = JsonConvert.SerializeObject(bigVm);
}
}
