public static Device[] GetAllDevices()
{
var computeDeviceArrayList = new ArrayList();
foreach (var platform in ComputePlatform.Platforms)
{
IList <ComputeDevice> openclDevices = platform.Devices;
var properties = new ComputeContextPropertyList(platform);
using (var context = new ComputeContext(openclDevices, properties, null, IntPtr.Zero))
{
foreach (var openclDevice in context.Devices)
{
if (IsOpenCLDeviceIgnored(openclDevice))
{
continue;
}
computeDeviceArrayList.Add(openclDevice);
}
}
}
var computeDevices = Array.ConvertAll(computeDeviceArrayList.ToArray(), item => (ComputeDevice)item);
Device[] devices = new Device[computeDevices.Length];
var deviceIndex = 0;
foreach (var computeDevice in computeDevices)
{
devices[deviceIndex] = new Device(deviceIndex, computeDevice);
deviceIndex++;
}
return(devices);
}
void InitComputeKernel()
{
if (this.openCLSources == null)
{
GetOpenCLSources();
}
var properties = new ComputeContextPropertyList(this.computeDevice.Platform);
this.computeContext = new ComputeContext(new[] { this.computeDevice }, properties, null, IntPtr.Zero);
this.computeProgram = new ComputeProgram(this.computeContext, this.openCLSources);
try
{
this.computeProgram.Build(new[] { this.computeDevice }, null, null, IntPtr.Zero);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(computeProgram.GetBuildLog(this.computeDevice));
}
this.computeKernels = this.computeProgram.CreateAllKernels().ToList();
this.computeKernel = this.computeKernels.First(k => k.FunctionName == openCLKernelFunction);
}
private void buttonRunAll_Click(object sender, EventArgs e)
{
if (devices.Count == 0)
{
MessageBox.Show("No OpenCL device selected!\n\nSelect one or more devices from the list to continue.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
StringBuilder output = new StringBuilder();
StringWriter log = new StringWriter(output);
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
ComputeContext context = new ComputeContext(devices, properties, null, IntPtr.Zero);
for (int i = 0; i < exampleList.Count; i++)
{
if (checkedListExamples.GetItemChecked(i))
{
log.WriteLine("--------------------------------------------------------------------------------");
log.WriteLine("Running \"" + exampleList[i].Name + "\"...");
log.WriteLine();
exampleList[i].Run(context, log);
log.WriteLine();
log.WriteLine("\"" + exampleList[i].Name + "\" finished.");
log.WriteLine("--------------------------------------------------------------------------------");
log.Flush();
}
}
log.Close();
textBoxLog.Lines = ParseLines(output.ToString());
}
public OpenCLProxy(bool useSoftware = false)
{
HardwareAccelerationEnabled = ComputePlatform.Platforms.Count != 0 && !useSoftware;
if (HardwareAccelerationEnabled)
{
ComputePlatform platform = ComputePlatform.Platforms[0];
var devices = new List<ComputeDevice> { platform.Devices[0] };
var properties = new ComputeContextPropertyList(platform);
_context = new ComputeContext(devices, properties, null, IntPtr.Zero);
_commands = new ComputeCommandQueue(_context, _context.Devices[0], ComputeCommandQueueFlags.None);
_intComputeBuffers = new Dictionary<string, ComputeBuffer<int>>();
_floatComputeBuffers = new Dictionary<string, ComputeBuffer<float>>();
AcceleratorName = platform.Name;
}
else
{
AcceleratorName = "CPU";
}
_intArguments = new Dictionary<string, int>();
_intBuffers = new Dictionary<string, int[]>();
_floatArguments = new Dictionary<string, float>();
_floatBuffers = new Dictionary<string, float[]>();
_doubleArguments = new Dictionary<string, double>();
}
static void Main(string[] args)
{
PlotInterval interval;
AproximationExpression expression;
LoadInput(out expression, out interval);
var platform = LoadPlatform();
var device = LoadDevice(platform);
var properties = new ComputeContextPropertyList(platform);
var context = new ComputeContext(device.Type, properties, null, IntPtr.Zero);
var bhcl = new BicubicHermiteCl(context);
var sw = Stopwatch.StartNew();
var mesh = bhcl.CreateMesh(expression, interval);
var time = sw.ElapsedMilliseconds;
sw.Stop();
Console.WriteLine("Cas vypoctu: " + time + " ms.");
Console.ReadLine();
}
public string vectorSum()
{
string vecSum = @"
__kernel void vectorSum(__global float *v1, __global float *v2, __global float *v3) {
int i = get_global_id(0);
v3[i] = v1[i] + v2[i];
}
";
int size = 100000;
float[] v1_ = new float[size];
float[] v2_ = new float[size];
float[] v3_ = new float[size];
for (var i = 0; i < size; i++)
{
v1_[i] = (float)i;
v2_[i] = (float).5f;
}
var platform_ = ComputePlatform.Platforms[0];
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform_);
ComputeContext ctx = new ComputeContext(ComputeDeviceTypes.Gpu, properties, null, IntPtr.Zero);
ComputeCommandQueue commands = new ComputeCommandQueue(ctx, ctx.Devices[0], ComputeCommandQueueFlags.None);
ComputeProgram program = new ComputeProgram(ctx, vecSum);
try
{
program.Build(null, null, null, IntPtr.Zero);
Console.WriteLine("program build completed");
}
catch
{
string log = program.GetBuildLog(ctx.Devices[0]);
}
ComputeBuffer <float> v1, v2, v3;
v1 = new ComputeBuffer <float>(ctx, ComputeMemoryFlags.ReadOnly | ComputeMemoryFlags.CopyHostPointer, v1_);
v2 = new ComputeBuffer <float>(ctx, ComputeMemoryFlags.ReadOnly | ComputeMemoryFlags.CopyHostPointer, v2_);
v3 = new ComputeBuffer <float>(ctx, ComputeMemoryFlags.WriteOnly | ComputeMemoryFlags.CopyHostPointer, v3_);
long[] worker = { size };
commands.WriteToBuffer(v1_, v1, false, null);
commands.WriteToBuffer(v2_, v2, false, null);
ComputeKernel sumKernal = program.CreateKernel("vectorSum");
Console.WriteLine("kernal created");
sumKernal.SetMemoryArgument(0, v1);
sumKernal.SetMemoryArgument(1, v2);
sumKernal.SetMemoryArgument(2, v3);
commands.Execute(sumKernal, null, worker, null, null);
Console.WriteLine("Executed");
commands.ReadFromBuffer <float>(v3, ref v3_, false, null);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < size; i++)
{
sb.AppendFormat("{0} + {1} = {2}<br>", v1_[i].ToString(), v2_[i].ToString(), v3_[i].ToString());
}
var sum_expression_result = sb.ToString();
return(sum_expression_result);
}
/// <summary>
/// Uses the device for the compiler.
/// </summary>
/// <param name="deviceId">The device identifier.</param>
/// <exception cref="System.Exception">No device found. Please invoke Accelerator.Init with a device id to initialize. " +
/// "If you have done the Init and still getting the error please check if OpenCL is installed.</exception>
/// <exception cref="System.ArgumentException">Device ID out of range.</exception>
public override void UseDevice(int deviceId = 0)
{
_compiledKernels = new List <ComputeKernel>();
_compiledInstances = new List <Type>();
LoadDevices();
if (_devices.Count == 0)
{
throw new Exception("No device found. Please invoke Accelerator.Init with a device id to initialize. " +
"If you have done the Init and still getting the error please check if OpenCL is installed.");
}
if (deviceId >= _devices.Count)
{
throw new ArgumentException("Device ID out of range.");
}
_defaultDevice = _devices[deviceId];
_defaultPlatorm = _defaultDevice.Platform;
ComputeContextPropertyList properties = new ComputeContextPropertyList(_defaultPlatorm);
_context = new ComputeContext(new ComputeDevice[] { _defaultDevice }, properties, null, IntPtr.Zero);
Console.WriteLine("Selected device: " + _defaultDevice.Name);
DeviceID = deviceId;
}
private GpuPlatform(ComputePlatform platform)
{
Platform = platform;
if (isGpuProcessor(Platform.Name))
{
foreach (var device in platform.Devices)
{
if (device.Type == ComputeDeviceTypes.Gpu)
{
HasGpu = true;
}
}
if (HasGpu)
{
Properties = new ComputeContextPropertyList(platform);
Context = new ComputeContext(platform.Devices, Properties, null, IntPtr.Zero);
CommandQueueList = new List <ComputeCommandQueue>();
for (int i = 0; i < platform.Devices.Count; i++)
{
if (platform.Devices[i].Type == ComputeDeviceTypes.Gpu)
{
CommandQueueList.Add(new ComputeCommandQueue(Context, platform.Devices[i], ComputeCommandQueueFlags.None));
}
}
Programs = new List <ProgramKernel>();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Julia"/> class.
/// </summary>
public Julia()
: base()
{
this.Mode = ConcurrencyMode.SequentialCPU;
this.options = new ParallelOptions();
this.options.MaxDegreeOfParallelism = Environment.ProcessorCount;
// Initialize OpenCL.
platform = ComputePlatform.Platforms[0];
properties = new ComputeContextPropertyList(platform);
context = new ComputeContext(platform.Devices,
properties, null, IntPtr.Zero);
// Create the OpenCL kernel.
program = new ComputeProgram(context, new string[] { kernelSource });
program.Build(null, "-cl-mad-enable", null, IntPtr.Zero);
kernel = program.CreateKernel("julia");
// Create objects needed for kernel launch/execution.
commands = new ComputeCommandQueue(context,
context.Devices[0], ComputeCommandQueueFlags.None);
events = new ComputeEventList();
}
public OpenCLProxy(bool useSoftware = false)
{
HardwareAccelerationEnabled = ComputePlatform.Platforms.Count != 0 && !useSoftware;
if (HardwareAccelerationEnabled)
{
ComputePlatform platform = ComputePlatform.Platforms[0];
var devices = new List <ComputeDevice> {
platform.Devices[0]
};
var properties = new ComputeContextPropertyList(platform);
_context = new ComputeContext(devices, properties, null, IntPtr.Zero);
_commands = new ComputeCommandQueue(_context, _context.Devices[0], ComputeCommandQueueFlags.None);
_intComputeBuffers = new Dictionary <string, ComputeBuffer <int> >();
_floatComputeBuffers = new Dictionary <string, ComputeBuffer <float> >();
AcceleratorName = platform.Name;
}
else
{
AcceleratorName = "CPU";
}
_intArguments = new Dictionary <string, int>();
_intBuffers = new Dictionary <string, int[]>();
_floatArguments = new Dictionary <string, float>();
_floatBuffers = new Dictionary <string, float[]>();
_doubleArguments = new Dictionary <string, double>();
}
public virtual void Initialize() {
platform = ComputePlatform.Platforms[0];
device = platform.Devices[0];
properties = new ComputeContextPropertyList(platform);
context = new ComputeContext(new[] { device }, properties, null, IntPtr.Zero);
program = new ComputeProgram(context, KernelSrc);
}
public FindPointOpenCl()
{
cpl = new ComputeContextPropertyList(ComputePlatform.Platforms[0]);
context = new ComputeContext(ComputeDeviceTypes.Gpu, cpl, null, IntPtr.Zero);
program = new ComputeProgram(context, new string[] { FindPointCalculationGpu });
program.Build(null, null, null, IntPtr.Zero);
kernel = program.CreateKernel("FindPointCalculationGpu");
}
private static ComputeCommandQueue QueueWithDevice(ComputeDevice device)
{
List <ComputeDevice> devices = new List <ComputeDevice>(new ComputeDevice[] { device });
ComputePlatform platform = device.Platform;
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
ComputeContext context = new ComputeContext(device.Type, properties, null, IntPtr.Zero);
return(new ComputeCommandQueue(context, context.Devices.FirstOrDefault(), context.Devices.FirstOrDefault().CommandQueueFlags));
}
private async void buttonRunAll_Click(object sender, EventArgs e)
{
if (devices.Count == 0)
{
MessageBox.Show("No OpenCL device selected!\n\nSelect one or more devices from the list to continue.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
StringBuilder output = new StringBuilder();
StringWriter log = new StringWriter(output);
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
ComputeContext context = new ComputeContext(devices, properties, null, IntPtr.Zero);
this.buttonRunAll.Enabled = false;
this.buttonCopyLog.Enabled = false;
textBoxLog.Lines = new [] { "Started" };
try
{
for (int i = 0; i < exampleList.Count; i++)
{
if (checkedListExamples.GetItemChecked(i))
{
log.WriteLine("--------------------------------------------------------------------------------");
log.WriteLine($"Running \"{exampleList[i].Name}\"...");
log.WriteLine();
await Task.Run(() => exampleList[i].Run(context, log));
log.WriteLine();
log.WriteLine($"\"{exampleList[i].Name}\" finished.");
log.WriteLine("--------------------------------------------------------------------------------");
log.Flush();
textBoxLog.Lines = ParseLines(output.ToString());
textBoxLog.SelectionStart = textBoxLog.TextLength;
textBoxLog.ScrollToCaret();
}
}
}
catch (Exception ex)
{
log.WriteLine($"Error: \"{ex.Message}\".");
}
finally
{
this.buttonRunAll.Enabled = true;
this.buttonCopyLog.Enabled = true;
log.Close();
textBoxLog.Lines = ParseLines(output.ToString());
}
// cleanup context!
context.Dispose();
}
public void InitializePlatformPropertiesAndDevices()
{
platform = ComputePlatform.Platforms[0];
properties = new ComputeContextPropertyList(platform);
devices = new List <ComputeDevice>();
foreach (ComputeDevice device in platform.Devices)
{
devices.Add(device);
}
}
public static void InitOpenCLService()
{
var properties = new ComputeContextPropertyList(Platform);
context = new ComputeContext(ComputeDeviceTypes.All, properties, null, IntPtr.Zero);
devices = new List <ComputeDevice>();
devices.Add(Device);
commands = new ComputeCommandQueue(context, Device, ComputeCommandQueueFlags.None);
BuildKernels();
}
static void Main(string[] args)
{
int w = 11, h = 11, sx = 5, sy = 5, iters = 2;
var properties = new ComputeContextPropertyList(ComputePlatform.Platforms[0]);
var context = new ComputeContext(ComputeDeviceTypes.All, properties, null, IntPtr.Zero);
var quene = new ComputeCommandQueue(context, ComputePlatform.Platforms[0].Devices[0], ComputeCommandQueueFlags.None);
//Компиляция программы
var prog = new ComputeProgram(context, Source);
try
{
prog.Build(context.Devices, "", null, IntPtr.Zero);
}
catch
{
Console.WriteLine(prog.GetBuildLog(context.Devices[0]));
}
//Создание ядра
var kernel = prog.CreateKernel("Test");
var mat = new float[w * h];
for (int i = 0; i < w * h; i++)
{
mat[i] = (i == w * sy + sx) ? 1f : 0f;
}
var mat1 = new ComputeBuffer <float>(context, ComputeMemoryFlags.ReadWrite | ComputeMemoryFlags.UseHostPointer, mat);
var mat2 = new ComputeBuffer <float>(context, ComputeMemoryFlags.ReadWrite, w * h);
kernel.SetMemoryArgument(0, mat1);
kernel.SetMemoryArgument(1, mat2);
kernel.SetValueArgument(2, iters);
kernel.SetValueArgument(3, w);
kernel.SetValueArgument(4, h);
quene.Execute(kernel, null, new long[] { (long)h, (long)w }, null, null);
quene.ReadFromBuffer(mat1, ref mat, true, null);
for (int i = 0; i < h; i++)
{
for (int j = 0; j < w; j++)
{
Console.Write($"{mat[i*w+j]:.00} ");
}
Console.WriteLine();
}
Console.ReadKey();
}
protected OpenCLMiner(ComputeDevice aDevice, int aDeviceIndex, String aAlgorithmName)
: base(aDeviceIndex, aAlgorithmName)
{
mDevice = aDevice;
List <ComputeDevice> deviceList = new List <ComputeDevice>();
deviceList.Add(mDevice);
ComputeContextPropertyList properties = new ComputeContextPropertyList(mDevice.Platform);
mContext = new ComputeContext(deviceList, properties, null, IntPtr.Zero);
mQueue = new ComputeCommandQueue(mContext, mDevice, ComputeCommandQueueFlags.None);
}
private void ConstructOpenCLResources()
{
if (this.computeDevice != null)
{
var properties = new ComputeContextPropertyList(this.computeDevice.Platform);
this.computeContext = new ComputeContext(new[] { this.computeDevice }, properties, null, IntPtr.Zero);
this.computeProgram = new ComputeProgram(this.computeContext, new string[] { KernelCodeH1, KernelCodeH2, KernelCodeH3, KernelCodeH4, KernelCodeMain });
this.computeProgram.Build(new[] { this.computeDevice }, null, null, IntPtr.Zero);
this.computeKernels = this.computeProgram.CreateAllKernels().ToList();
this.computeKernel = this.computeKernels.First((k) => k.FunctionName == KernelFunction);
}
}
private void LoadProgram()
{
this.platform = ComputePlatform.Platforms[0];
this.properties = new ComputeContextPropertyList(this.platform);
this.Context = new ComputeContext(this.platform.Devices, this.properties, null, IntPtr.Zero);
this.program = new ComputeProgram(this.Context, new[] { this.sourceProgram.Source });
this.program.Build(null, "-cl-mad-enable", null, IntPtr.Zero);
this.Kernel = this.program.CreateKernel(this.sourceProgram.Name);
this.Commands = new ComputeCommandQueue(this.Context, this.Context.Devices[0], ComputeCommandQueueFlags.None);
this.Events = new ComputeEventList();
}
private static ComputeContext GetContext()
{
if (ComputePlatform.Platforms.Count > 1)
{
Console.WriteLine("More than one platform available, maybe branch out...");
}
var platform = ComputePlatform.Platforms[0];
var properties = new ComputeContextPropertyList(platform);
var context = new ComputeContext(platform.Devices, properties, null, IntPtr.Zero);
return(context);
}
public static CLContext CreateContextForDevices(params ComputeDevice[] devices)
{
var platform = devices[0].Platform;
if (!devices.All(d => d.Platform == platform))
{
throw new ArgumentException("Devices must belong to the same platform");
}
var col = new List <ComputeDevice> (devices);
var props = new ComputeContextPropertyList(platform);
return(new CLContext(new ComputeContext(col, props, null, IntPtr.Zero)));
}
public static IGpuHelper CreateHelper(ComputePlatform platform, ComputeDevice device, FPType fptype)
{
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
var context = new ComputeContext(new[] { device }, properties, null, IntPtr.Zero);
if (fptype == FPType.Single)
{
return(new GpuHelper <float>(context, fptype));
}
else
{
return(new GpuHelper <double>(context, fptype));
}
}
public static IGpuHelper CreateHelper(ComputePlatform platform, ComputeDevice device, FPType fptype)
{
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
var context = new ComputeContext(new[] { device }, properties, null, IntPtr.Zero);
if (fptype == FPType.Single)
{
return new GpuHelper<float>(context, fptype);
}
else
{
return new GpuHelper<double>(context, fptype);
}
}
public Render(
ComputeDevice cDevice,
string kernelSource,
uint width, uint height,
uint workers,
float reMin = -2.0f,
float reMax = 1.0f,
float imMin = -1.0f,
float imMax = 1.0f,
uint maxIter = 200)
{
this.width = width;
this.height = height;
this.workers = workers;
this.reMin = reMin;
this.reMax = reMax;
this.imMin = imMin;
this.imMax = imMax;
this.maxIter = maxIter;
clPlatform = cDevice.Platform;
clProperties = new ComputeContextPropertyList(clPlatform);
clContext = new ComputeContext(clPlatform.Devices, clProperties, null, IntPtr.Zero);
clCommands = new ComputeCommandQueue(clContext, cDevice, ComputeCommandQueueFlags.None);
clProgram = new ComputeProgram(clContext, new string[] { kernelSource });
h_resultBuf = new byte[width * height * 4];
gc_resultBuffer = GCHandle.Alloc(h_resultBuf, GCHandleType.Pinned);
int i = kernelSource.IndexOf("__kernel");
if (i > -1)
{
int j = kernelSource.IndexOf("(", i);
if (j > -1)
{
string raw = kernelSource.Substring(i + 8, j - i - 8);
string[] parts = raw.Trim().Split(' ');
for (int k = parts.Length - 1; k != 0; k--)
{
if (!string.IsNullOrEmpty(parts[k]))
{
KernelName = parts[k];
break;
} // if
} // for k
} // if j
} // if i
}
public static void InitCloo()
{
if (kernel != null)
{
return;
}
ComputeContextPropertyList cpl = new ComputeContextPropertyList(ComputePlatform.Platforms[0]);
context = new ComputeContext(ComputeDeviceTypes.Gpu, cpl, null, IntPtr.Zero);
ComputeProgram program = new ComputeProgram(context, MatrixMultiSource);
program.Build(null, null, null, IntPtr.Zero);
kernel = program.CreateKernel("MatrixMulti");
}
/// <summary>
/// Construct an OpenCL platform.
/// </summary>
///
/// <param name="platform">The OpenCL platform.</param>
public EncogCLPlatform(ComputePlatform platform)
{
this.platform = platform;
this.devices = new List <EncogCLDevice>();
ComputeContextPropertyList cpl = new ComputeContextPropertyList(platform);
this.context = new ComputeContext(ComputeDeviceTypes.Default, cpl, null, IntPtr.Zero);
this.Name = platform.Name;
this.Vender = platform.Vendor;
this.Enabled = true;
foreach (ComputeDevice device in context.Devices)
{
EncogCLDevice adapter = new EncogCLDevice(this, device);
this.devices.Add(adapter);
}
}
/// <summary>
/// Construct an OpenCL platform.
/// </summary>
///
/// <param name="platform">The OpenCL platform.</param>
public EncogCLPlatform(ComputePlatform platform)
{
this.platform = platform;
this.devices = new List<EncogCLDevice>();
ComputeContextPropertyList cpl = new ComputeContextPropertyList(platform);
this.context = new ComputeContext(ComputeDeviceTypes.Default, cpl, null, IntPtr.Zero);
this.Name = platform.Name;
this.Vender = platform.Vendor;
this.Enabled = true;
foreach (ComputeDevice device in context.Devices)
{
EncogCLDevice adapter = new EncogCLDevice(this, device);
this.devices.Add(adapter);
}
}
public static OpenCLDevice[] GetAllOpenCLDevices()
{
var computeDeviceArrayList = new ArrayList();
bool doneWithAMD = false;
foreach (var platform in ComputePlatform.Platforms)
{
if (platform.Name == "AMD Accelerated Parallel Processing" && doneWithAMD)
{
continue;
}
IList <ComputeDevice> openclDevices = platform.Devices;
var properties = new ComputeContextPropertyList(platform);
using (var context = new ComputeContext(openclDevices, properties, null, IntPtr.Zero))
{
foreach (var openclDevice in context.Devices)
{
if (IsOpenCLDeviceIgnored(openclDevice))
{
continue;
}
computeDeviceArrayList.Add(openclDevice);
}
}
if (platform.Name == "AMD Accelerated Parallel Processing")
{
doneWithAMD = true;
}
}
var computeDevices = Array.ConvertAll(computeDeviceArrayList.ToArray(), item => (ComputeDevice)item);
OpenCLDevice[] devices = new OpenCLDevice[computeDevices.Length];
var deviceIndex = 0;
foreach (var computeDevice in computeDevices)
{
devices[deviceIndex] = new OpenCLDevice(deviceIndex, computeDevice);
deviceIndex++;
}
return(devices);
}
public DoubleMatrixOpenCL(int deviceID = 0)
{
Func <int, string, Version, bool> deviceSelector = (i, n, v) => i == deviceID;
deviceSelector = deviceSelector ?? ((i, d, v) => true);
var device = ComputePlatform.Platforms.SelectMany(p => p.Devices).Where((d, i) => deviceSelector(i, $"{d.Name} {d.DriverVersion}", d.Version)).First();
var properties = new ComputeContextPropertyList(device.Platform);
context = new ComputeContext(new[] { device }, properties, null, IntPtr.Zero);
// Create the kernel function and set its arguments.
program = new ComputeProgram(context, clProgramSourceMultiplyMatrix);
// Create and build the opencl program.
program.Build(null, null, null, IntPtr.Zero);
kernel = program.CreateKernel("MatrixMultiply");
// Create the command queue. This is used to control kernel execution and manage read/write/copy operations.
commands = new ComputeCommandQueue(context, context.Devices[0], ComputeCommandQueueFlags.None);
}
public static void Main(string[] args)
{
LoadLRIT();
ComputePlatform[] availablePlatforms = new ComputePlatform[ComputePlatform.Platforms.Count];
for (int i = 0; i < availablePlatforms.Length; i++)
{
availablePlatforms [i] = ComputePlatform.Platforms [i];
Console.WriteLine(ComputePlatform.Platforms [i].Name);
}
var platform = availablePlatforms [0];
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
ComputeContext context = new ComputeContext(platform.Devices, properties, null, IntPtr.Zero);
CLBuilder(context);
CLApply2DLUT(context);
UIConsole.Log("Finish");
}
private void buildProgramMenuItem_Click(object sender, EventArgs e)
{
if (editorTextBox.Text.Length == 0)
{
logTextBox.Text = "No source.";
return;
}
string[] logContent;
ComputeContextPropertyList properties = new ComputeContextPropertyList(configForm.Platform);
ComputeContext context = new ComputeContext(configForm.Devices, properties, null, IntPtr.Zero);
ComputeProgram program = new ComputeProgram(context, editorTextBox.Text);
try
{
program.Build(configForm.Devices, configForm.Options, null, IntPtr.Zero);
logContent = new string[] { "Build succeeded." };
}
catch (Exception exception)
{
List<string> lineList = new List<string>();
foreach (ComputeDevice device in context.Devices)
{
string header = "PLATFORM: " + configForm.Platform.Name + ", DEVICE: " + device.Name;
lineList.Add(header);
StringReader reader = new StringReader(program.GetBuildLog(device));
string line = reader.ReadLine();
while (line != null)
{
lineList.Add(line);
line = reader.ReadLine();
}
lineList.Add("");
lineList.Add(exception.Message);
}
logContent = lineList.ToArray();
}
logTextBox.Lines = logContent;
}
public void OpenClMul()
{
//ѡȡ�豸
var platform = ComputePlatform.Platforms.FirstOrDefault();
var device = platform.Devices.FirstOrDefault();
var properties = new ComputeContextPropertyList(platform);
var context = new ComputeContext(new[] { device }, properties, null, IntPtr.Zero);
ComputeCommandQueue commands = new ComputeCommandQueue(context, context.Devices[0],
ComputeCommandQueueFlags.None);
var code = File.ReadAllText(@"demos\cls\matrix_mul.cl");
var program = new ComputeProgram(context, code);
try
{
program.Build(new [] { device }, null, null, IntPtr.Zero);
}
catch (Exception ex)
{
throw;
}
var kernel = program.CreateKernel("MatrixMul");
int rank = Rank;
var result = new ComputeBuffer <int>(context, ComputeMemoryFlags.WriteOnly, rank * rank);
var matrix = CreateMatrix(context, rank);
kernel.SetMemoryArgument(0, result);
kernel.SetMemoryArgument(1, matrix);
kernel.SetValueArgument(2, rank);
Console.WriteLine($"Platform: {platform.Name}\n Device: {device.Name}\n Size: {rank}x{rank}");
Stopwatch sw = Stopwatch.StartNew();
commands.Execute(kernel, null, new long[] { rank, rank }, null, null);
int[] resultArray = new int[rank * rank];
var arrHandle = GCHandle.Alloc(resultArray, GCHandleType.Pinned);
commands.Read(result, true, 0, rank * rank, arrHandle.AddrOfPinnedObject(), null);
var elapsed = sw.Elapsed;
Console.WriteLine($"using: {elapsed.TotalMilliseconds} ms\n");
arrHandle.Free();
kernel.Dispose();
}
// -- Methods ------------------------------------------------------------
public void BuildOpenCL()
{
cl_Source = File.ReadAllText(Environment.CurrentDirectory + "/OpenClKernel/sha256_kernal.cl");
cl_Properties = new ComputeContextPropertyList(cl_Platform);
cl_Context = new ComputeContext(cl_Devices, cl_Properties, null, IntPtr.Zero);
// Create the command queue. This is used to control kernel execution and manage read/write/copy operations.
cl_Commands = new ComputeCommandQueue(cl_Context, cl_Context.Devices[0], ComputeCommandQueueFlags.None);
// Create program object
cl_Program = new ComputeProgram(cl_Context, cl_Source);
//Compiles the source codes.
cl_Program.Build(null, null, null, IntPtr.Zero);
// Create the kernel function
cl_Kernel = cl_Program.CreateKernel("search");
}
public void SetupClContext()
{
CanUseDouble = CanUseInterop = false;
if (clPlatform == null ||
comboBoxDevice.SelectedIndex >= clPlatform.Devices.Count)
{
clDevice = null;
clContext = null;
return;
}
try
{
clDevice = clPlatform.Devices[comboBoxDevice.SelectedIndex];
ComputeContextPropertyList properties = new ComputeContextPropertyList(clPlatform);
IGraphicsContextInternal ctx = (IGraphicsContextInternal)GraphicsContext.CurrentContext;
properties.Add(new ComputeContextProperty(ComputeContextPropertyName.CL_GL_CONTEXT_KHR, ctx.Context.Handle));
properties.Add(new ComputeContextProperty(ComputeContextPropertyName.CL_WGL_HDC_KHR, OpenGL.wglGetCurrentDC()));
properties.Add(new ComputeContextProperty(ComputeContextPropertyName.Platform, clPlatform.Handle.Value));
clContext = new ComputeContext(new ComputeDevice[] { clDevice }, properties, null, IntPtr.Zero);
// check the double-extension:
CanUseDouble = ClInfo.ExtensionCheck(clContext, "cl_khr_fp64");
CanUseInterop = ClInfo.ExtensionCheck(clContext, "cl_khr_gl_sharing");
ClInfo.LogCLProperties(clContext, true);
}
catch (Exception exc)
{
Util.LogFormat("OpenCL error: {0}", exc.Message);
clDevice = null;
clContext = null;
}
bool enableDouble = !checkOpenCL.Checked ||
CanUseDouble;
checkDouble.Enabled = enableDouble;
checkInterop.Enabled = CanUseInterop;
}
public GraphicsInterop()
{
var glHandle = ((IGraphicsContextInternal)GraphicsContext.CurrentContext).Context.Handle;
var wglHandle = wglGetCurrentDC();
_device = ComputePlatform.Platforms[0].Devices[0];
var p1 = new ComputeContextProperty(ComputeContextPropertyName.Platform, Device.Platform.Handle.Value);
var p2 = new ComputeContextProperty(ComputeContextPropertyName.CL_GL_CONTEXT_KHR, glHandle);
var p3 = new ComputeContextProperty(ComputeContextPropertyName.CL_WGL_HDC_KHR, wglHandle);
var cpl = new ComputeContextPropertyList(new[] { p1, p2, p3 });
_context = new ComputeContext(ComputeDeviceTypes.Gpu, cpl, null, IntPtr.Zero);
_queue = new ComputeCommandQueue(Context, Device, ComputeCommandQueueFlags.None);
GL.ClearColor(0f, 0f, 1f, 1f);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(0, 1.0f, 0, 1.0f, -1.0f, 1.0f);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.GenBuffers(1, out _pub);
GL.Enable(EnableCap.Texture2D);
_texture = GL.GenTexture();
}
public BuddhaCloo()
{
clPlatform = ComputePlatform.Platforms[0];
clProperties = new ComputeContextPropertyList(clPlatform);
clContext = new ComputeContext(clPlatform.Devices, clProperties, null, IntPtr.Zero);
clCommands = new ComputeCommandQueue(clContext, clContext.Devices[0], ComputeCommandQueueFlags.None);
clEvents = new ComputeEventList();
clProgram = new ComputeProgram(clContext, new string[] { kernelSource });
R = new Random();
seed1 = (uint)R.Next();
seed2 = (uint)R.Next();
seed3 = (uint)R.Next();
seed4 = (uint)R.Next();
/* //Default buddhabrot parameters
* realMin = -1.5f;
* realMax = 0.75f;
* imaginaryMin = -1.5f;
* imaginaryMax = 1.5f;
*/
/*
realMin = -1.05f;
realMax = -0.9f;
imaginaryMin = -0.3f;
imaginaryMax = -0.225f;
minIter = 20000;
maxIter = 200000;
escapeOrbit = 4.0f;
minColor.R = 20000;
maxColor.R = 60000;
minColor.G = 60000;
maxColor.G = 100000;
minColor.B = 100000;
maxColor.B = 200000;
*/
realMin = -1.22f;
realMax = -1.0f;
imaginaryMin = 0.16f;
imaginaryMax = 0.32f;
//realMin = -1.5f;
//realMax = 0.75f;
//imaginaryMin = -1.5f;
//imaginaryMax = 1.5f;
minIter =20;
maxIter = 1600;
escapeOrbit = 4.0f;
minColor.R = 20;
maxColor.R = 400;
minColor.G = 400;
maxColor.G = 800;
minColor.B = 800;
maxColor.B = 1600;
width = 1000;
height = 700;
h_outputBuffer = new ColorVectorRGBA[width * height];
gc_outputBuffer = GCHandle.Alloc(h_outputBuffer, GCHandleType.Pinned);
}
private void runTestsToolStripMenuItem_Click(object sender, EventArgs e)
{
StringBuilder output = new StringBuilder();
StringWriter writer = new StringWriter(output);
Console.SetOut(writer);
ComputeContextPropertyList properties = new ComputeContextPropertyList(settingsForm.Platform);
ComputeContext context = new ComputeContext(settingsForm.Devices, properties, null, IntPtr.Zero);
TestBase.SetContext(context);
Console.WriteLine("Platform: " + context.Platform.Name);
Console.Write("Devices:");
foreach (ComputeDevice device in context.Devices)
Console.Write(" " + device.Name + " ");
Console.WriteLine();
new DummyTest().Run();
new MappingTest().Run();
new ProgramTest().Run();
new KernelsTest().Run();
new VectorAddTest().Run();
Console.SetOut(Console.Out);
writer.Close();
logTextBox.Lines = ParseLines(output.ToString());
}
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on all the <see cref="ComputeDevice"/>s that match the specified <see cref="ComputeDeviceTypes"/>.
/// </summary>
/// <param name="deviceType"> A bit-field that identifies the type of <see cref="ComputeDevice"/> to associate with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="ComputeContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="ComputeContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr userDataPtr)
{
unsafe
{
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, &error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
resourceTable.Add(GetHashCode(), this);
Trace.WriteLine("Created " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").");
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="deviceType">device type</param>
/// <param name="properties">context properties</param>
/// <param name="notify">context notify</param>
/// <param name="userDataPtr">user data pointer</param>
public ClooContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, System.IntPtr userDataPtr)
: base(deviceType, properties, notify, userDataPtr)
{
foreach (ComputeDevice device in base.Devices)
_devices.Add(ClooDevice.FromBaseDevice(device));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="devices">list of devices</param>
/// <param name="properties">context properties</param>
/// <param name="notify">context notify</param>
/// <param name="userDataPtr">user data pointer</param>
public ClooContext(IEnumerable<ClooDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, System.IntPtr userDataPtr)
: base(devices.Cast<ComputeDevice>().ToList(), properties, notify, userDataPtr)
{
_devices.AddRange(devices);
}
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on a collection of <see cref="ComputeDevice"/>s.
/// </summary>
/// <param name="devices"> A collection of <see cref="ComputeDevice"/>s to associate with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="ComputeContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="ComputeContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ICollection<ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
int handleCount;
CLDeviceHandle[] deviceHandles = ComputeTools.ExtractHandles(devices, out handleCount);
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContext(propertyArray, handleCount, deviceHandles, notify, notifyDataPtr, out error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
Trace.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
/// <summary>
/// Creates a new <c>ComputeContext</c> on a collection of <c>ComputeDevice</c>s.
/// </summary>
/// <param name="devices"> A collection of <c>ComputeDevice</c>s to associate with the <c>ComputeContext</c>. </param>
/// <param name="properties"> A <c>ComputeContextPropertyList</c> of the <c>ComputeContext</c>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <c>ComputeContext</c>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <c>ComputeContext</c> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ICollection<ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
unsafe
{
IntPtr[] deviceHandles = Tools.ExtractHandles(devices);
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContext(propertyArray, devices.Count, deviceHandles, notify, notifyDataPtr, &error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
}
static void Main(string[] args)
{
if (args.Length <= 1)
{
System.Console.WriteLine(String.Format("Usage: {0} {{generator}} {{port}} [options]", System.IO.Path.GetFileName(System.Reflection.Assembly.GetExecutingAssembly().Location)));
System.Console.WriteLine(" generator: the generator to use");
System.Console.WriteLine(" s : SimpleCalculator");
System.Console.WriteLine(" c : PreCompiledCalculator");
System.Console.WriteLine(" t : ThreadCalculator with PreCompiledCalculator");
System.Console.WriteLine(" g : OpenCLCalculator");
System.Console.WriteLine(" gl: List avialable platforms and devices for OpenCL");
System.Console.WriteLine(" port: the port to listen on");
System.Console.WriteLine(" options: additional options for the generators");
System.Console.WriteLine(" ThreadCalculator: [threadnum]");
System.Console.WriteLine(" number of threads to use (default:2)");
System.Console.WriteLine(" OpenCLCalculator: [platformnum] [devicenum]");
System.Console.WriteLine(" The platform and device to use (default:0/0)");
return;
}
CreateCalculatorFactory fact = null;
switch (args[0])
{
case "s": fact = () => new SimpleCalculatorFactory(); break;
case "c": fact = () => new PreCompiledCalculatorFactory(); break;
case "t":
{
int tnum = 2;
if (args.Length > 2 && (!int.TryParse(args[2], out tnum) || tnum <= 0))
{
System.Console.WriteLine("Invalid number of threads");
return;
}
System.Console.WriteLine(String.Format("Using {0} threads", tnum));
fact = () => new ThreadCalculatorFactory(tnum, new PreCompiledCalculatorFactory());
}
break;
case "g":
{
int pnum = 0;
int dnum = 0;
if (args.Length > 3 && ((!int.TryParse(args[2], out pnum) || pnum < 0 || pnum > ComputePlatform.Platforms.Count)))
{
System.Console.WriteLine("Invalid platform number. Run with 'gl' generator to get the list of avialable platforms and devices.");
return;
}
if (args.Length > 3 && ((!int.TryParse(args[3], out dnum) || dnum < 0 || dnum > ComputePlatform.Platforms[pnum].Devices.Count)))
{
System.Console.WriteLine("Invalid device number. Run with 'gl' generator to get the list of avialable platforms and devices.");
return;
}
if (args.Length==3)
{
System.Console.WriteLine("Missing device number");
return;
}
if (ComputePlatform.Platforms.Count == 0)
{
System.Console.WriteLine("No OpenCL Platform available");
return;
}
System.Console.WriteLine(String.Format("Using {0} Device {1}", ComputePlatform.Platforms[pnum].Name, ComputePlatform.Platforms[pnum].Devices[dnum].Name));
ComputePlatform selected = ComputePlatform.Platforms[pnum];
var devices = new List<ComputeDevice>();
devices.Add(selected.Devices[dnum]);
ComputeContextPropertyList properties = new ComputeContextPropertyList(selected);
ComputeContext context = new ComputeContext(devices, properties, null, IntPtr.Zero);
fact = () => new OpenCLCalculatorFactory(context);
}
break;
case "gl":
for (int i = 0; i < ComputePlatform.Platforms.Count; i++)
{
System.Console.WriteLine("Platform " + i + ": " + ComputePlatform.Platforms[i].Name);
var platform = ComputePlatform.Platforms[i];
for (int ii = 0; ii < platform.Devices.Count; ii++)
{
System.Console.WriteLine(" Device " + ii + ": " + platform.Devices[ii].Name);
}
}
return;
}
int port;
if (!int.TryParse(args[1], out port) || port < 1024 || port > 65535)
{
System.Console.WriteLine("Invalid port specified. Must be in range {1024..65535}");
}
System.Console.WriteLine(String.Format("Starting server on port {0}",port));
DistributedCalculatorServer s = new DistributedCalculatorServer(fact, IPAddress.Any, 6079);
s.Run();
}
public static void InitializeOpenCL()
{
string source = File.ReadAllText("MonteCarloSimulate.cl");
//Choose Device
ComputePlatform platform = ComputePlatform.Platforms[0];
openCLDevice = platform.QueryDevices()[0];
ComputeContextPropertyList properties =
new ComputeContextPropertyList(platform);
//Setup of stuff on our side
openCLContext = new ComputeContext(ComputeDeviceTypes.All,
properties, null, IntPtr.Zero);
//Build the program, which gets us the kernel
openCLProgram = new ComputeProgram(openCLContext, source);
openCLProgram.Build(null, null, null, IntPtr.Zero);
//can use notify as the 3rd command... if you want this to be non-blocking
openCLKernel = openCLProgram.CreateKernel("MonteCarloSimulate");
}
private static ComputeContext GetContext()
{
if (ComputePlatform.Platforms.Count > 1)
Console.WriteLine("More than one platform available, maybe branch out...");
var platform = ComputePlatform.Platforms[0];
var properties = new ComputeContextPropertyList(platform);
var context = new ComputeContext(platform.Devices, properties, null, IntPtr.Zero);
return context;
}
public static void Test()
{
string source = File.ReadAllText("MonteCarloSimulate.cl");
//Choose Device
ComputePlatform platform = ComputePlatform.Platforms[0];
ComputeDevice device = platform.QueryDevices()[0];
ComputeContextPropertyList properties =
new ComputeContextPropertyList(platform);
//Setup of stuff on our side
ComputeContext context = new ComputeContext(ComputeDeviceTypes.All,
properties, null, IntPtr.Zero);
//Build the program, which gets us the kernel
ComputeProgram program = new ComputeProgram(context, source);
program.Build(null, null, null, IntPtr.Zero);
//can use notify as the 3rd command... if you want this to be non-blocking
ComputeKernel kernel = program.CreateKernel("MonteCarloSimulate");
//Create arguments
int sideSize = 4096;
int[] inMatrixA = new int[sideSize * sideSize];
int[] inMatrixB = new int[sideSize * sideSize];
int[] outMatrixC = new int[sideSize * sideSize];
Random random = new Random((int)DateTime.Now.Ticks);
if (sideSize <= 32)
for (int y = 0; y < sideSize; y++)
for (int x = 0; x < sideSize; x++)
{
inMatrixA[y * sideSize + x] = random.Next(3);
inMatrixB[y * sideSize + x] = random.Next(3);
outMatrixC[y * sideSize + x] = 0;
}
ComputeBuffer<int> bufferMatrixA = new ComputeBuffer<int>(context,
ComputeMemoryFlags.UseHostPointer, inMatrixA);
ComputeBuffer<int> bufferMatrixB = new ComputeBuffer<int>(context,
ComputeMemoryFlags.UseHostPointer, inMatrixB);
ComputeBuffer<int> bufferMatrixC = new ComputeBuffer<int>(context,
ComputeMemoryFlags.UseHostPointer, outMatrixC);
long localWorkSize = Math.Min(device.MaxComputeUnits, sideSize);
//Sets arguments
kernel.SetMemoryArgument(0, bufferMatrixA);
kernel.SetMemoryArgument(1, bufferMatrixB);
kernel.SetMemoryArgument(2, bufferMatrixC);
kernel.SetLocalArgument(3, sideSize * 2);
kernel.SetValueArgument<int>(4, sideSize);
//kernel.SetLocalArgument(1, localWorkSize);
string offset = " ";
for (int x = 0; x < sideSize; x++)
offset += " ";
if (sideSize <= 32)
for (int y = 0; y < sideSize; y++)
{
Console.Write(offset);
for (int x = 0; x < sideSize; x++)
Console.Write(inMatrixA[y * sideSize + x] + " ");
Console.WriteLine();
}
//Runs commands
ComputeCommandQueue commands = new ComputeCommandQueue(context,
context.Devices[0], ComputeCommandQueueFlags.None);
long executionTime = DateTime.Now.Ticks;
//Execute kernel
//globalWorkSize in increments of localWorkSize (max of device.MaxComputeUnits or kernel.GetWorkGroupSize())
commands.Execute(kernel, null,
new long[] { Math.Min(sideSize, 16), Math.Min(sideSize, 16) },
new long[] { localWorkSize, 1 }, null);
//globalWorkSize can be any size
//localWorkSize product much not be greater than device.MaxComputeUnits
//and it must not be greater than kernel.GetWorkGroupSize()
//ESSENTIALLY, the program iterates through globalWorkSize
//in increments of localWorkSize. Both are multidimensional,
//but this just saves us the time of doing that
//(1 dimension can be put to multiple if the max dimension lengths
//are known very easily with remainder).
//Also, you should probably use this
//kernel.GetPreferredWorkGroupSizeMultiple(device);
commands.Finish();
commands.ReadFromBuffer(bufferMatrixC, ref outMatrixC, true, null);
commands.Finish();
executionTime = DateTime.Now.Ticks - executionTime;
GC.Collect();
program.Dispose();
Console.WriteLine();
if (sideSize <= 32)
for (int y = 0; y < sideSize; y++)
{
for (int x = 0; x < sideSize; x++)
Console.Write(inMatrixB[y * sideSize + x] + " ");
Console.Write(" ");
for (int x = 0; x < sideSize; x++)
Console.Write(outMatrixC[y * sideSize + x] + " ");
Console.WriteLine();
}
int testY = random.Next(sideSize);
int testX = random.Next(sideSize);
int sum = 0;
for (int q = 0; q < sideSize; q++)
sum += inMatrixA[q * sideSize + testX] *
inMatrixB[testY * sideSize + q];
Console.WriteLine(sum == outMatrixC[testY * sideSize + testX]);
Console.WriteLine(executionTime / 10000.0);
}
private void buttonRunAll_Click(object sender, EventArgs e)
{
if (devices.Count == 0)
{
MessageBox.Show("No OpenCL device selected!\n\nSelect one or more devices from the list to continue.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
StringBuilder output = new StringBuilder();
StringWriter log = new StringWriter(output);
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
ComputeContext context = new ComputeContext(devices, properties, null, IntPtr.Zero);
for (int i = 0; i < exampleList.Count; i++)
{
if (checkedListExamples.GetItemChecked(i))
{
log.WriteLine("--------------------------------------------------------------------------------");
log.WriteLine("Running \"" + exampleList[i].Name + "\"...");
log.WriteLine();
exampleList[i].Run(context, log);
log.WriteLine();
log.WriteLine("\"" + exampleList[i].Name + "\" finished.");
log.WriteLine("--------------------------------------------------------------------------------");
log.Flush();
}
}
log.Close();
textBoxLog.Lines = ParseLines(output.ToString());
// cleanup context!
context.Dispose();
}
public void Start(IMinerContext context)
{
string code;
var kernelRes = Assembly.GetExecutingAssembly().GetManifestResourceStream("BitMaker.Miner.Cloo.Miner.cl");
using (var rdr = new StreamReader(kernelRes))
code = clProgramSource;
var platform = ComputePlatform.Platforms[0];
var properties = new ComputeContextPropertyList(platform);
device = platform.Devices[0];
ccontext = new ComputeContext(platform.Devices, properties, null, IntPtr.Zero);
program = new ComputeProgram(ccontext, clProgramSource);
program.Build(null, null, notify, IntPtr.Zero);
}
/// <summary>Initializes OpenCL and reads devices. Uses previously created context and command queue if supplied. In that case DevicesToUse is ignored.</summary>
public static void InitCL(ComputeDeviceTypes DevicesToUse, ComputeContext PrevCtx, ComputeCommandQueue PrevCQ)
{
if (CLAcceleration != CLAccelerationType.UsingCL)
{
try
{
if (ComputePlatform.Platforms.Count > 0) CLAccel = CLAccelerationType.UsingCL;
else CLAccel = CLAccelerationType.NotUsingCL;
//Program.Event = new List<ComputeEventBase>();
CLPlatforms = new List<ComputePlatform>();
foreach (ComputePlatform pp in ComputePlatform.Platforms) CLPlatforms.Add(pp);
ComputeContextPropertyList Properties = new ComputeContextPropertyList(ComputePlatform.Platforms[0]);
if (PrevCtx == null)
{
Program.Context = new ComputeContext(DevicesToUse, Properties, null, IntPtr.Zero);
}
else Program.Context = PrevCtx;
CLDevices = new List<ComputeDevice>();
for (int i = 0; i < Program.Context.Devices.Count; i++)
{
CLDevices.Add(Program.Context.Devices[i]);
}
Program.CommQueues = new List<ComputeCommandQueue>();
Program.AsyncCommQueues = new List<ComputeCommandQueue>();
Program.DefaultCQ = -1;
if (PrevCQ == null)
{
for (int i = 0; i < CLDevices.Count; i++)
{
//Comandos para os devices
ComputeCommandQueue CQ = new ComputeCommandQueue(Program.Context, CLDevices[i], ComputeCommandQueueFlags.None);
ComputeCommandQueue AsyncCQ = new ComputeCommandQueue(Program.Context, CLDevices[i], ComputeCommandQueueFlags.OutOfOrderExecution);
//Comando para a primeira GPU
if ((CLDevices[i].Type == ComputeDeviceTypes.Gpu || CLDevices[i].Type == ComputeDeviceTypes.Accelerator) && Program.DefaultCQ < 0)
Program.DefaultCQ = i;
Program.CommQueues.Add(CQ);
Program.AsyncCommQueues.Add(AsyncCQ);
}
//Só tem CPU
if (Program.DefaultCQ < 0 && Program.CommQueues.Count > 0) Program.DefaultCQ = 0;
}
else
{
Program.CommQueues.Add(PrevCQ);
Program.DefaultCQ = 0;
}
}
catch (Exception ex)
{
CLInitErr = ex.ToString();
CLAccel = CLAccelerationType.NotUsingCL;
}
}
}
private void runTestsToolStripMenuItem_Click(object sender, EventArgs e)
{
StringBuilder output = new StringBuilder();
StringWriter log = new StringWriter(output);
ComputeContextPropertyList properties = new ComputeContextPropertyList(configForm.Platform);
ComputeContext context = new ComputeContext(configForm.Devices, properties, null, IntPtr.Zero);
log.WriteLine("Platform: " + context.Platform.Name);
log.Write("Devices:");
foreach (ComputeDevice device in context.Devices)
log.Write(" " + device.Name + " ");
log.WriteLine();
DummyTest.Run(log);
MappingTest.Run(log, context);
ProgramTest.Run(log, context);
KernelsTest.Run(log, context);
VectorAddTest.Run(log, context);
CL11Test.Run(log, context);
log.Close();
logTextBox.Lines = ParseLines(output.ToString());
}
public GraphicsInterop(IGraphicsContext context, ComputeDevice device)
{
var os = Environment.OSVersion.Platform;
ComputeContextProperty platformDependantCcp;
switch (os)
{
case PlatformID.Unix:
platformDependantCcp = GetUnixCcp();
break;
case PlatformID.MacOSX:
platformDependantCcp = GetMacCcp(context);
break;
default:
platformDependantCcp = GetWindowsCcp();
break;
}
var glHandle = ((IGraphicsContextInternal)context).Context.Handle;
var p1 = new ComputeContextProperty(ComputeContextPropertyName.Platform, device.Platform.Handle.Value);
var p2 = new ComputeContextProperty(ComputeContextPropertyName.CL_GL_CONTEXT_KHR, glHandle);
var cpl = new ComputeContextPropertyList(new[] { p1, p2, platformDependantCcp });
_context = new ComputeContext(ComputeDeviceTypes.Gpu, cpl, null, IntPtr.Zero);
_queue = new ComputeCommandQueue(Context, device, ComputeCommandQueueFlags.None);
GL.ClearColor(0f, 0f, 1f, 1f);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(0, 1.0f, 0, 1.0f, -1.0f, 1.0f);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.GenBuffers(1, out _pub);
GL.Enable(EnableCap.Texture2D);
_texture = GL.GenTexture();
}
public TerrainGen()
{
#if CPU_DEBUG
var platform = ComputePlatform.Platforms[1];
#else
var platform = ComputePlatform.Platforms[0];
#endif
_devices = new List<ComputeDevice>();
_devices.Add(platform.Devices[0]);
_properties = new ComputeContextPropertyList(platform);
_context = new ComputeContext(_devices, _properties, null, IntPtr.Zero);
_cmdQueue = new ComputeCommandQueue(_context, _devices[0], ComputeCommandQueueFlags.None);
#region setup generator kernel
bool loadFromSource = Gbl.HasRawHashChanged[Gbl.RawDir.Scripts];
loadFromSource = true;
_chunkWidthInBlocks = Gbl.LoadContent<int>("TGen_ChunkWidthInBlocks");
_chunkWidthInVerts = _chunkWidthInBlocks + 1;
_blockWidth = Gbl.LoadContent<int>("TGen_BlockWidthInMeters");
float lacunarity = Gbl.LoadContent<float>("TGen_Lacunarity");
float gain = Gbl.LoadContent<float>("TGen_Gain");
int octaves = Gbl.LoadContent<int>("TGen_Octaves");
float offset = Gbl.LoadContent<float>("TGen_Offset");
float hScale = Gbl.LoadContent<float>("TGen_HScale");
float vScale = Gbl.LoadContent<float>("TGen_VScale");
_genConstants = new ComputeBuffer<float>(_context, ComputeMemoryFlags.ReadOnly, 8);
var genArr = new[]{
lacunarity,
gain,
offset,
octaves,
hScale,
vScale,
_blockWidth,
_chunkWidthInBlocks
};
_cmdQueue.WriteToBuffer(genArr, _genConstants, false, null);
if (loadFromSource){
_generationPrgm = new ComputeProgram(_context, Gbl.LoadScript("TGen_Generator"));
#if CPU_DEBUG
_generationPrgm.Build(null, @"-g -s D:\Projects\Gondola\Scripts\GenTerrain.cl", null, IntPtr.Zero); //use option -I + scriptDir for header search
#else
_generationPrgm.Build(null, "", null, IntPtr.Zero);//use option -I + scriptDir for header search
#endif
Gbl.SaveBinary(_generationPrgm.Binaries, "TGen_Generator");
}
else{
var binary = Gbl.LoadBinary("TGen_Generator");
_generationPrgm = new ComputeProgram(_context, binary, _devices);
_generationPrgm.Build(null, "", null, IntPtr.Zero);
}
//loadFromSource = false;
_terrainGenKernel = _generationPrgm.CreateKernel("GenTerrain");
_normalGenKernel = _generationPrgm.CreateKernel("GenNormals");
//despite the script using float3 for these fields, we need to consider it to be float4 because the
//implementation is basically a float4 wrapper that uses zero for the last variable
_geometry = new ComputeBuffer<float>(_context, ComputeMemoryFlags.None, _chunkWidthInVerts*_chunkWidthInVerts*4);
_normals = new ComputeBuffer<ushort>(_context, ComputeMemoryFlags.None, _chunkWidthInVerts * _chunkWidthInVerts * 4);
_binormals = new ComputeBuffer<byte>(_context, ComputeMemoryFlags.None, _chunkWidthInVerts*_chunkWidthInVerts*4);
_tangents = new ComputeBuffer<byte>(_context, ComputeMemoryFlags.None, _chunkWidthInVerts*_chunkWidthInVerts*4);
_uvCoords = new ComputeBuffer<float>(_context, ComputeMemoryFlags.None, _chunkWidthInVerts*_chunkWidthInVerts*2);
_terrainGenKernel.SetMemoryArgument(0, _genConstants);
_terrainGenKernel.SetMemoryArgument(3, _geometry);
_terrainGenKernel.SetMemoryArgument(4, _uvCoords);
_normalGenKernel.SetMemoryArgument(0, _genConstants);
_normalGenKernel.SetMemoryArgument(3, _geometry);
_normalGenKernel.SetMemoryArgument(4, _normals);
_normalGenKernel.SetMemoryArgument(5, _binormals);
_normalGenKernel.SetMemoryArgument(6, _tangents);
#endregion
#region setup quadtree kernel
if (loadFromSource){
_qTreePrgm = new ComputeProgram(_context, Gbl.LoadScript("TGen_QTree"));
#if CPU_DEBUG
_qTreePrgm.Build(null, @"-g -s D:\Projects\Gondola\Scripts\Quadtree.cl", null, IntPtr.Zero);
#else
_qTreePrgm.Build(null, "", null, IntPtr.Zero);
#endif
Gbl.SaveBinary(_qTreePrgm.Binaries, "TGen_QTree");
}
else{
var binary = Gbl.LoadBinary("TGen_QTree");
_qTreePrgm = new ComputeProgram(_context, binary, _devices);
_qTreePrgm.Build(null, "", null, IntPtr.Zero);
}
_qTreeKernel = _qTreePrgm.CreateKernel("QuadTree");
_crossCullKernel = _qTreePrgm.CreateKernel("CrossCull");
_activeVerts = new ComputeBuffer<byte>(_context, ComputeMemoryFlags.None, _chunkWidthInVerts*_chunkWidthInVerts);
_dummy = new ComputeBuffer<int>(_context, ComputeMemoryFlags.None, 50);
var rawNormals = new ushort[_chunkWidthInVerts * _chunkWidthInVerts * 4];
_emptyVerts = new byte[_chunkWidthInVerts*_chunkWidthInVerts];
for (int i = 0; i < _emptyVerts.Length; i++){
_emptyVerts[i] = 1;
}
_cmdQueue.WriteToBuffer(rawNormals, _normals, true, null);
_cmdQueue.WriteToBuffer(_emptyVerts, _activeVerts, true, null);
_qTreeKernel.SetValueArgument(1, _chunkWidthInBlocks);
_qTreeKernel.SetMemoryArgument(2, _normals);
_qTreeKernel.SetMemoryArgument(3, _activeVerts);
_qTreeKernel.SetMemoryArgument(4, _dummy);
_crossCullKernel.SetValueArgument(1, _chunkWidthInBlocks);
_crossCullKernel.SetMemoryArgument(2, _normals);
_crossCullKernel.SetMemoryArgument(3, _activeVerts);
_crossCullKernel.SetMemoryArgument(4, _dummy);
#endregion
#region setup winding kernel
if (loadFromSource){
_winderPrgm = new ComputeProgram(_context, Gbl.LoadScript("TGen_VertexWinder"));
#if CPU_DEBUG
_winderPrgm.Build(null, @"-g -s D:\Projects\Gondola\Scripts\VertexWinder.cl", null, IntPtr.Zero);
#else
_winderPrgm.Build(null, "", null, IntPtr.Zero);
#endif
Gbl.SaveBinary(_winderPrgm.Binaries, "TGen_VertexWinder");
}
else{
var binary = Gbl.LoadBinary("TGen_VertexWinder");
_winderPrgm = new ComputeProgram(_context, binary, _devices);
_winderPrgm.Build(null, "", null, IntPtr.Zero);
}
_winderKernel = _winderPrgm.CreateKernel("VertexWinder");
_indicies = new ComputeBuffer<int>(_context, ComputeMemoryFlags.None, (_chunkWidthInBlocks)*(_chunkWidthInBlocks)*8);
_winderKernel.SetMemoryArgument(0, _activeVerts);
_winderKernel.SetMemoryArgument(1, _indicies);
_emptyIndices = new int[(_chunkWidthInBlocks)*(_chunkWidthInBlocks)*8];
for (int i = 0; i < (_chunkWidthInBlocks)*(_chunkWidthInBlocks)*8; i++){
_emptyIndices[i] = 0;
}
_cmdQueue.WriteToBuffer(_emptyIndices, _indicies, true, null);
#endregion
if (loadFromSource){
Gbl.AllowMD5Refresh[Gbl.RawDir.Scripts] = true;
}
_cmdQueue.Finish();
}
/// <summary>
/// Initializes local fields and the underlying compute context.
/// </summary>
public void Initialize()
{
if (this.context == null)
{
var devices = ComputePlatform.Platforms.SelectMany(a => a.Devices).Where(a => a.Extensions.Contains("cl_khr_fp64")).Take(1).ToArray();
ComputeContextPropertyList list = new ComputeContextPropertyList(devices[0].Platform);
this.context = new ComputeContext(devices, list, null, IntPtr.Zero);
}
this.program = new ComputeProgram(this.context, File.ReadAllText("Mandelbrot.cl"));
this.program.Build(null, null, null, IntPtr.Zero);
this.mandelbrot = this.program.CreateKernel("Mandelbrot");
this.toBitmap = this.program.CreateKernel("ToBitmap");
this.resultBuffer = new ComputeBuffer<int>(this.context, ComputeMemoryFlags.ReadWrite, this.ImageWidth * this.ImageHeight);
this.bitmapBuffer = new ComputeBuffer<byte>(this.context, ComputeMemoryFlags.ReadWrite, this.ImageWidth * this.ImageHeight * 4);
this.mandelbrot.SetMemoryArgument(7, this.resultBuffer);
this.toBitmap.SetMemoryArgument(1, this.resultBuffer);
this.toBitmap.SetMemoryArgument(2, this.bitmapBuffer);
this.commandQueue = new ComputeCommandQueue(this.context, this.context.Devices.OrderBy(a => a.Type).Where(a => a.Extensions.Contains("cl_khr_fp64")).First(), ComputeCommandQueueFlags.None);
}
/// <summary>
/// Creates a new <c>ComputeContext</c> on all the <c>ComputeDevice</c>s that match the specified <c>ComputeDeviceTypes</c>.
/// </summary>
/// <param name="deviceType"> A bit-field that identifies the type of <c>ComputeDevice</c> to associate with the <c>ComputeContext</c>. </param>
/// <param name="properties"> A <c>ComputeContextPropertyList</c> of the <c>ComputeContext</c>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <c>ComputeContext</c>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <c>ComputeContext</c> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr userDataPtr)
{
unsafe
{
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, &error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
}
static void Main(string[] args)
{
#region
const string programName = "Prime Number";
Stopwatch stopWatch = new Stopwatch();
string clProgramSource = KernelProgram();
Console.WriteLine("Environment OS:");
Console.WriteLine("-----------------------------------------");
Console.WriteLine(Environment.OSVersion);
#endregion
if (ComputePlatform.Platforms.Count == 0)
{
Console.WriteLine("No OpenCL Platforms are availble!");
}
else
{
#region 1
// step 1 choose the first available platform
ComputePlatform platform = ComputePlatform.Platforms[0];
// output the basic info
BasicInfo(platform);
Console.WriteLine("Program: " + programName);
Console.WriteLine("-----------------------------------------");
#endregion
//Cpu 10 seconds Gpu 28 seconds
int count = 64;
int[] output_Z = new int[count * count * count];
int[] input_X = new int[count * count * count];
for (int x = 0; x < count * count * count; x++)
{
input_X[x] = x;
}
#region 2
// step 2 create context for that platform and all devices
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
ComputeContext context = new ComputeContext(platform.Devices, properties, null, IntPtr.Zero);
// step 3 create and build program
ComputeProgram program = new ComputeProgram(context, clProgramSource);
program.Build(platform.Devices, null, null, IntPtr.Zero);
#endregion
// step 4 create memory objects
ComputeBuffer<int> a = new ComputeBuffer<int>(context, ComputeMemoryFlags.ReadOnly | ComputeMemoryFlags.CopyHostPointer, input_X);
ComputeBuffer<int> z = new ComputeBuffer<int>(context, ComputeMemoryFlags.WriteOnly, output_Z.Length);
// step 5 create kernel object with same kernel programe name VectorAdd
ComputeKernel kernel = program.CreateKernel("PrimeNumber");
// step 6 set kernel arguments
//kernel.SetMemoryArgument(0, a);
kernel.SetMemoryArgument(0, a);
kernel.SetMemoryArgument(1, z);
ComputeEventList eventList = new ComputeEventList();
//for (int j = 0; j < context.Devices.Count; j++)
// query available devices n,...,1,0. cpu first then gpu
for (int j = context.Devices.Count-1; j > -1; j--)
{
#region 3
stopWatch.Start();
// step 7 create command queue on that context on that device
ComputeCommandQueue commands = new ComputeCommandQueue(context, context.Devices[j], ComputeCommandQueueFlags.None);
// step 8 run the kernel program
commands.Execute(kernel, null, new long[] { count, count, count }, null, eventList);
//Application.DoEvents();
#endregion
// step 9 read results
commands.ReadFromBuffer(z, ref output_Z, false, eventList);
#region 4
commands.Finish();
string fileName = "C:\\primenumber\\PrimeNumberGPU.txt";
StreamWriter file = new StreamWriter(fileName, true);
FileInfo info = new FileInfo(fileName);
long fs = info.Length;
// 1 MegaByte = 1.049e+6 Byte
int index = 1;
if (fs == 1.049e+6)
{
fileName = "C:\\primenumber\\PrimeNumberGPU" + index.ToString() + ".txt";
file = new System.IO.StreamWriter(fileName, true);
index++;
}
#endregion
for (uint xx = 0; xx < count * count * count; xx++)
{
if (output_Z[xx] != 0 && output_Z[xx] != 1)
{
Console.WriteLine(output_Z[xx]);
file.Write(output_Z[xx]);
file.Write("x");
}
}
#region 5
file.Close();
stopWatch.Stop();
ComputeCommandProfilingInfo start = ComputeCommandProfilingInfo.Started;
ComputeCommandProfilingInfo end = ComputeCommandProfilingInfo.Ended;
double time = 10e-9 * (end - start);
//Console.WriteLine("Nanosecond: " + time);
TimeSpan ts = stopWatch.Elapsed;
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds);
Console.WriteLine(context.Devices[j].Name.Trim() + " Elapsed Time " + elapsedTime);
Console.WriteLine("-----------------------------------------");
#endregion
}
Console.ReadLine();
}
}
/// <summary>
/// Creates a new <c>ComputeContext</c> on a collection of <c>ComputeDevice</c>s.
/// </summary>
/// <param name="devices"> A collection of <c>ComputeDevice</c>s to associate with the <c>ComputeContext</c>. </param>
/// <param name="properties"> A <c>ComputeContextPropertyList</c> of the <c>ComputeContext</c>. </param>
/// <param name="notify"> A callback function that can be registered by the application. This callback function will be used by the OpenCL implementation to report information on errors that occur in the <c>ComputeContext</c>. This callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ICollection<ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
unsafe
{
IntPtr[] deviceHandles = Tools.ExtractHandles(devices);
IntPtr[] propertiesList = (properties != null) ? properties.ToIntPtrArray() : null;
IntPtr notifyFuncPtr = (notify != null) ? Marshal.GetFunctionPointerForDelegate(notify) : IntPtr.Zero;
ComputeErrorCode error = ComputeErrorCode.Success;
fixed (IntPtr* propertiesPtr = propertiesList)
fixed (IntPtr* deviceHandlesPtr = deviceHandles)
Handle = CL10.CreateContext(
propertiesPtr,
devices.Count,
deviceHandlesPtr,
notifyFuncPtr,
notifyDataPtr,
&error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
}
// Constructor function
public GPUCompute(ComputeModeFormat SetComputeMode = ComputeModeFormat.kRelease)
{
ComputePlatform platform = ComputePlatform.Platforms[0];
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
IList<ComputeDevice> devices = new List<ComputeDevice>();
devices.Add(platform.Devices[0]);
Console.WriteLine("Platform name: {0}", platform.Devices[0].Name);
context_ = new ComputeContext(devices, properties, null, IntPtr.Zero);
compute_mode_ = SetComputeMode;
Console.WriteLine("Compute Mode: {0}", compute_mode_);
// built the GPU program
if (compute_mode_ == ComputeModeFormat.kAddVectorTest)
program_ = new ComputeProgram(context_, clProgramSource_vector_add_);
else if (compute_mode_ == ComputeModeFormat.kPredictWithFeaturesTest)
program_ = new ComputeProgram(context_, clProgramSource_dfprocess_);
else if (compute_mode_ == ComputeModeFormat.kRelease)
program_ = new ComputeProgram(context_, clProgramSource_predict_);
else if (compute_mode_ == ComputeModeFormat.kRelease2D)
program_ = new ComputeProgram(context_, clProgramSource_predict_2d_);
else if (compute_mode_ == ComputeModeFormat.kTestBreathFrist)
program_ = new ComputeProgram(context_, clProgramSource_predict_test_breath_first_tree_);
else if (compute_mode_ == ComputeModeFormat.kTest2D)
program_ = new ComputeProgram(context_, clProgramSource_predict_test_2d_);
program_.Build(null, null, null, IntPtr.Zero);
// end building
Console.WriteLine("Build success");
count_ = 640 * 480;
// set up some of the kernel arguments, some of which are set in other functions
if (compute_mode_ == ComputeModeFormat.kAddVectorTest)
{
kernel_ = program_.CreateKernel("AddVectorWithTrees");
//commands_ = new ComputeCommandQueue(context_, context_.Devices[0], ComputeCommandQueueFlags.None);
a_ = new ComputeBuffer<short>(context_, ComputeMemoryFlags.ReadOnly, count_);
c_ = new ComputeBuffer<short>(context_, ComputeMemoryFlags.WriteOnly, count_);
kernel_.SetMemoryArgument(0, a_);
kernel_.SetMemoryArgument(2, c_);
}
else if (compute_mode_ == ComputeModeFormat.kPredictWithFeaturesTest) {
kernel_ = program_.CreateKernel("DFProcess");
}
else if (compute_mode_ == ComputeModeFormat.kRelease || compute_mode_ == ComputeModeFormat.kRelease2D || compute_mode_ == ComputeModeFormat.kTestBreathFrist || compute_mode_ == ComputeModeFormat.kTest2D)
{
kernel_ = program_.CreateKernel("Predict");
}
commands_ = new ComputeCommandQueue(context_, context_.Devices[0], ComputeCommandQueueFlags.None);
Console.WriteLine("Sucessfully create kernel");
}