CloseKernel() public method

public CloseKernel ( ) : void
return void
Example #1
0
        static void Main(string[] args)
        {
            //Args to initialized the DLL
            String[] dllArgs = new String[] {
                "33554432",
                "1",
                "1",
                "2.0",
                "0",
                "1",
                "4",
                "2",
                @"C:\Users\gabriele\APUBenchmarks\Debug\saxpy.cl",
                "",
                "0", "128", "0", "0", "saxpy4",
                "1", "128", "0", "0", "saxpy4"
            };

            //Create e profiler for a DLL

            //Open the kernel associated tot he profiler (so contexts are opened)

            /* Setup sessions */
            //Enable all counters

            //One session, number fo passes = #passes needed to computer the counters enabled
            for (int i = 0; i < 20; i++)
            {
                profiler = new KeyPiProfiler(
                    "Saxpy",
                    "SaxpyLib.dll",
                    dllArgs);

                profiler.OpenKernel();
                profiler.CurrentContext.Counters(i).IsEnable = true;

                Console.WriteLine("Sampling counters " + profiler.CurrentContext.EnabledCountersCount + ": " + profiler.CurrentContext.Counters(i).Name);
                int session_id = profiler.BeginSession();
                profiler.BeginPass();
                profiler.BeginSample(i);
                profiler.Run();
                profiler.EndSample();
                profiler.EndPass();
                profiler.EndSession();

                while (!profiler.IsSampleReady(session_id, i)) { }
                KeyPiCounter counter = profiler.CurrentContext.Counters(i);
                Console.WriteLine(counter.Name + "[TYPE " + counter.DataType + "] = " + counter.Value(session_id, i));

                profiler.CurrentContext.Counters(i).IsEnable = false;

                profiler.CloseKernel();
                System.Threading.Thread.Sleep(500);
            }
            Console.Read();
        }
Example #2
0
        static void Main(string[] args)
        {
            RemoteSensorHelper remote = new RemoteSensorHelper(args[0]);
            KeyPiProfiler profiler;

            //Parameters
            int min_vector_size = 2 << 10;
            int max_vector_size = 64 << 20;
            int threads = 4;
            float a = 2.0f;
            List<int[]> device_indexes = new List<int[]>();
            device_indexes.Add(new int[] { 0 });
            device_indexes.Add(new int[] { 1 });
            device_indexes.Add(new int[] { 2 });
            device_indexes.Add(new int[] { 0, 1 });
            device_indexes.Add(new int[] { 0, 2 });
            device_indexes.Add(new int[] { 1, 2 });
            device_indexes.Add(new int[] { 0, 1, 2 });
            int test_duration = 10000;

            //Test host sequential
            for (int vector_size = min_vector_size; vector_size <= max_vector_size; vector_size *= 2)
            {
                bool done = false;
                int samples = 1;
                String[] dllArgs = null;
                KeyPiDllKernelExecutionInfo info = null;
                while (!done)
                {
                    //Profile to check how much samples needed to fill test duration
                    dllArgs = new String[] {
                        vector_size.ToString(),
                        samples.ToString(),
                        "1",
                        a.ToString(),
                        "0",
                        "0",
                        "1",
                        "0",
                        @"C:\Users\gabriele\APUBenchmarks\Debug\saxpy.cl",
                        "",
                        "0", "128", "1", "1", "saxpy4"
                    };
                    profiler = new KeyPiProfiler("Saxpy", "SaxpyLib.dll", dllArgs);
                    try
                    {
                        profiler.OpenKernel();
                    }
                    catch (Exception exc)
                    {
                        Console.WriteLine(exc);
                    }
                    info = profiler.Run();
                    try
                    {
                        profiler.CloseKernel();
                    }
                    catch (Exception exc)
                    {
                        Console.WriteLine(exc);
                    }
                    if ((info.EndTime - info.StartTime).TotalMilliseconds > 0)
                    {
                        samples = (int)Math.Round((float)(test_duration * samples) / (float)(info.EndTime - info.StartTime).TotalMilliseconds);
                        done = true;
                    }
                    else
                        samples *= 100;
                }

                Console.WriteLine("Testing host sequential with " + vector_size + " elements (" + samples + " samples)...");
                dllArgs = new String[] {
                    vector_size.ToString(),
                    samples.ToString(),
                    "1",
                    a.ToString(),
                    "0",
                    "0",
                    "1",
                    "0",
                    @"C:\Users\gabriele\APUBenchmarks\Debug\saxpy.cl",
                    "",
                    "0", "128", "1", "1", "saxpy4"
                };
                String[] experimentArgs = new String[] {
                    "HOST_SEQ",
                    vector_size.ToString(),
                    samples.ToString(),
                    "1",
                    "1",
                    "0",
                    "0", "0", "0",
                    "0", "0", "0",
                    "0", "0", "0"
                };
                remote.experimentCase(experimentArgs);

                profiler = new KeyPiProfiler(
                    "Saxpy",
                    "SaxpyLib.dll",
                    dllArgs);
                try
                {
                    profiler.OpenKernel();
                }
                catch (Exception exc)
                {
                    Console.WriteLine(exc);
                }
                remote.start();
                info = profiler.Run();
                remote.stop(new String[] { (((float)(info.EndTime - info.StartTime).TotalMilliseconds) / (float)samples).ToString() });
                try
                {
                    profiler.CloseKernel();
                }
                catch (Exception exc)
                {
                    Console.WriteLine(exc);
                }

                Console.WriteLine("Result: " + (((float)(info.EndTime - info.StartTime).TotalMilliseconds) / (float)samples).ToString() + "ms per iteration");
            }

            //Test host native threads
            for (int vector_size = min_vector_size; vector_size <= max_vector_size; vector_size *= 2)
            {
                bool done = false;
                int samples = 1;
                String[] dllArgs = null;
                KeyPiDllKernelExecutionInfo info = null;
                while (!done)
                {
                    //Profile to check how much samples needed to fill test duration
                    dllArgs = new String[] {
                        vector_size.ToString(),
                        samples.ToString(),
                        "1",
                        a.ToString(),
                        "0",
                        "0",
                        threads.ToString(),
                        "0",
                        @"C:\Users\gabriele\APUBenchmarks\Debug\saxpy.cl",
                        "",
                        "0", "128", "1", "1", "saxpy4"
                    };
                    profiler = new KeyPiProfiler("Saxpy", "SaxpyLib.dll", dllArgs);
                    try
                    {
                        profiler.OpenKernel();
                    }
                    catch (Exception exc)
                    {
                        Console.WriteLine(exc);
                    }
                    info = profiler.Run();
                    try
                    {
                        profiler.CloseKernel();
                    }
                    catch (Exception exc)
                    {
                        Console.WriteLine(exc);
                    }
                    if ((info.EndTime - info.StartTime).TotalMilliseconds > 0)
                    {
                        samples = (int)Math.Round((float)(test_duration * samples) / (float)(info.EndTime - info.StartTime).TotalMilliseconds);
                        done = true;
                    }
                    else
                        samples *= 100;
                }

                Console.WriteLine("Testing host native threads with " + vector_size + " elements (" + samples + " samples)...");
                dllArgs = new String[] {
                    vector_size.ToString(),
                    samples.ToString(),
                    "1",
                    a.ToString(),
                    "0",
                    "0",
                    threads.ToString(),
                    "0",
                    @"C:\Users\gabriele\APUBenchmarks\Debug\saxpy.cl",
                    "",
                    "0", "128", "1", "1", "saxpy4"
                };
                String[] experimentArgs = new String[] {
                    "HOST_THREADS",
                    vector_size.ToString(),
                    samples.ToString(),
                    "1",
                    threads.ToString(),
                    "0",
                    "0", "0", "0",
                    "0", "0", "0",
                    "0", "0", "0"
                };
                remote.experimentCase(experimentArgs);

                profiler = new KeyPiProfiler(
                    "Saxpy",
                    "SaxpyLib.dll",
                    dllArgs);
                try
                {
                    profiler.OpenKernel();
                }
                catch (Exception exc)
                {
                    Console.WriteLine(exc);
                }

                remote.start();
                info = profiler.Run();
                remote.stop(new String[] { (((float)(info.EndTime - info.StartTime).TotalMilliseconds) / (float)samples).ToString() });

                try
                {
                    profiler.CloseKernel();
                }
                catch (Exception exc)
                {
                    Console.WriteLine(exc);
                }

                Console.WriteLine("Result: " + (((float)(info.EndTime - info.StartTime).TotalMilliseconds) / (float)samples).ToString() + "ms per iteration");
            }
        }