public static void Example4()
{
SharedCollection shared = new SharedCollection();
for (int i = 0; i < 5; i++)
{
Task.Run(() => Console.WriteLine(shared[2]));
}
}
public SharedCollection GetSharedCollection()
{
if (_shared == null)
{
_shared = new SharedCollection();
}
return(_shared);
}
public static CollectionContributorDTO FromSharedCollection(SharedCollection sharedCollection)
{
var user = UserDtoBuilder.FromApplicationUser(sharedCollection.User).Create();
return(new CollectionContributorDTO
{
CollectionId = sharedCollection.CollectionId,
EditRights = sharedCollection.EditRights,
User = user,
UserId = user.Id
});
}
protected SharedCollection ShareCollection(int collectionId, string userId, bool editRights)
{
var sharedCollection = new SharedCollection
{
CollectionId = collectionId,
UserId = userId,
EditRights = editRights
};
InTransaction(context =>
{
context.SharedCollection.Add(sharedCollection);
context.SaveChanges();
});
return(sharedCollection);
}
public Scenario_01(Scenario_01_WebApplicationFactory factory, ITestOutputHelper output)
{
_client = factory.GetClient();
_shared = factory.GetSharedCollection();
_output = output;
}
public static void RunAccelerator(Accelerator accelerator)
{
using var context = accelerator.CreateContext();
var watch = new Stopwatch();
watch.Start();
var ilProgram = new ILProgram(context);
var ilKernel = ilProgram.Compile <Action <Matrix4x4[], Matrix4x4[], uint> >(ExampleKernel);
Console.WriteLine($"Compile kernel: {watch.ElapsedMilliseconds}ms");
var source = ilProgram.CompleteSource(ilProgram.Kernels.First());
File.WriteAllText("kernel.cl", source); // Save source for debugging
const int size = 1024 * 100;
const int rounds = 25;
var random = new Random();
var totalFail = 0L;
var totalGpu = 0L;
var totalCpu = 0L;
var results = new Matrix4x4[size];
var data = new Matrix4x4[size];
using var input = new SharedCollection <Matrix4x4>(context, data, true);
using var output = new SharedCollection <Matrix4x4>(context, results, true);
for (var j = 0; j < rounds; j++)
{
for (var i = 0; i < size; i++)
{
data[i].M11 = random.Next(1, 1000);
data[i].M12 = random.Next(1, 1000);
data[i].M13 = random.Next(1, 1000);
data[i].M14 = random.Next(1, 1000);
data[i].M21 = random.Next(1, 1000);
data[i].M22 = random.Next(1, 1000);
data[i].M23 = random.Next(1, 1000);
data[i].M24 = random.Next(1, 1000);
data[i].M31 = random.Next(1, 1000);
data[i].M32 = random.Next(1, 1000);
data[i].M33 = random.Next(1, 1000);
data[i].M34 = random.Next(1, 1000);
data[i].M41 = random.Next(1, 1000);
data[i].M42 = random.Next(1, 1000);
data[i].M43 = random.Next(1, 1000);
data[i].M44 = random.Next(1, 1000);
}
watch.Restart();
ilKernel.Invoke(size, input.UPtr, output.UPtr, (UIntPtr)size);
var gpu = watch.ElapsedMilliseconds;
watch.Restart();
for (var i = 0; i < size; i++)
{
var value = data[i];
for (var k = 0; k < 100; k++)
{
value = Multiply(value, value);
}
data[i] = value;
}
var cpu = watch.ElapsedMilliseconds;
watch.Stop();
var failed = 0;
for (var i = 0; i < size; i++)
{
if (!results[i].Equals(data[i]))
{
failed++;
}
}
if (failed == 0)
{
Console.ForegroundColor = ConsoleColor.Green;
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
}
Console.WriteLine(
$"[{j + 1:0000}/{rounds:0000}] Kernel succeeded with {Percent(size, failed)} operations at {Percent(cpu, gpu, true)} IL speed!"
);
totalFail += failed;
totalCpu += cpu;
totalGpu += gpu;
Console.ResetColor();
}
Console.WriteLine(
$"Ran {rounds} rounds in sets of {size}, total operations: {rounds * size}\n" +
$"Total success: {Percent(size * rounds, totalFail)} with {totalFail} errors\n" +
$"Total speed: {Percent(totalCpu, totalGpu, true)} IL speed with {totalCpu}ms CPU-time and {totalGpu}ms GPU-time"
);
accelerator.Dispose();
}