private static async Task ExecuteOnGpu(GraphicsDevice device, int index, TestShader shader)
{
ShaderGeneratorContext context = new ShaderGeneratorContext(device);
context.Visit(shader);
PipelineState pipelineState = await context.CreateComputePipelineStateAsync();
DescriptorSet?descriptorSet = context.CreateShaderResourceViewDescriptorSet();
using (CommandList commandList = new CommandList(device, CommandListType.Compute))
{
commandList.SetPipelineState(pipelineState);
if (descriptorSet != null)
{
commandList.SetComputeRootDescriptorTable(0, descriptorSet);
}
commandList.Dispatch(1, 1, 1);
await commandList.FlushAsync();
}
float sum = shader.DestinationBuffer.Resource.GetArray <float>().Sum();
Console.WriteLine($"Origin: GPU, Thread: {index}, sum: {sum}.");
}
public static async Task RunAsync(GraphicsDevice device)
{
int count = 100;
int sumCount = 10;
List <Task> tasks = new List <Task>();
for (int i = 0; i < count; i++)
{
int index = i;
Console.WriteLine($"Scheduling task {index}");
tasks.Add(Task.Run(async() =>
{
GraphicsBuffer <float> buffer = GraphicsBuffer.Create <float>(device, sumCount, ResourceFlags.AllowUnorderedAccess);
TestShader shader = new TestShader(buffer, Sigmoid);
ShaderGeneratorContext context = new ShaderGeneratorContext(device);
context.Visit(shader);
ShaderGeneratorResult result = new ShaderGenerator(shader).GenerateShader();
PipelineState pipelineState = await context.CreateComputePipelineStateAsync();
DescriptorSet?descriptorSet = context.CreateShaderResourceViewDescriptorSet();
using (CommandList commandList = new CommandList(device, CommandListType.Compute))
{
commandList.SetPipelineState(pipelineState);
if (descriptorSet != null)
{
commandList.SetComputeRootDescriptorTable(0, descriptorSet);
}
commandList.Dispatch(1, 1, 1);
await commandList.FlushAsync();
}
float sum = buffer.GetData().Sum();
Console.WriteLine($"Thread: {index}, sum: {sum}.");
}));
}
Console.WriteLine("Awaiting tasks...");
Console.WriteLine($"Task count: {tasks.Count}");
await Task.WhenAll(tasks);
Console.WriteLine("DONE!");
}