예제 #1
0
        public Mandelbrot( Platform platform, int width, int height )
        {
            openCLPlatform = platform;
            openCLDevices = openCLPlatform.QueryDevices(DeviceType.ALL);
            openCLContext = openCLPlatform.CreateDefaultContext();
            openCLCQ = openCLContext.CreateCommandQueue(openCLDevices[0], CommandQueueProperties.PROFILING_ENABLE);
            mandelBrotProgram = openCLContext.CreateProgramWithSource(File.ReadAllText("Mandelbrot.cl"));
            try
            {
                mandelBrotProgram.Build();
            }
            catch (OpenCLException)
            {
                string buildLog = mandelBrotProgram.GetBuildLog(openCLDevices[0]);
                MessageBox.Show(buildLog,"Build error(64 bit debug sessions in vs2008 always fail like this - debug in 32 bit or use vs2010)");
                Application.Exit();
            }
            mandelbrotKernel = mandelBrotProgram.CreateKernel("Mandelbrot");

            Left = -2.0f;
            Top = 2.0f;
            Right = 2.0f;
            Bottom = -2.0f;
            BitmapWidth = width;
            BitmapHeight = height;

            mandelbrotMemBuffer = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.WRITE_ONLY), width*height*4, IntPtr.Zero);
        }
예제 #2
0
        /// <summary>
        /// Create a context and initialize default command queues in the CQ property
        /// </summary>
        /// <param name="platform"></param>
        /// <param name="devices"></param>
        public void CreateContext(Platform platform, IntPtr[] contextProperties, IEnumerable <Device> devices, ContextNotify notify, IntPtr userData)
        {
            if (!OpenCLIsAvailable)
            {
                throw new OpenCLNotAvailableException();
            }

            Platform = platform;
            Context  = platform.CreateContext(contextProperties, devices.ToArray <Device>(), notify, userData);
            CQ       = new CommandQueue[Context.Devices.Length];
            for (int i = 0; i < Context.Devices.Length; i++)
            {
                CQ[i] = Context.CreateCommandQueue(Context.Devices[0]);
            }
        }
예제 #3
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        protected virtual void Initialize(DeviceType deviceType, string source)
        {
            Devices = Platform.QueryDevices(deviceType);
            if (Devices.Length == 0)
            {
                throw new OpenCLException("No devices of type " + deviceType + " present");
            }

            Context = Platform.CreateContext(null, Devices, null, IntPtr.Zero);
            CQs     = new CommandQueue[Devices.Length];
            for (int i = 0; i < CQs.Length; i++)
            {
                CQs[i] = Context.CreateCommandQueue(Devices[i], CommandQueueProperties.PROFILING_ENABLE);
            }
            CQ      = CQs[0];
            Program = Context.CreateProgramWithSource(source);
            Program.Build();
            Kernels = Program.CreateKernelDictionary();
        }
예제 #4
0
파일: Form1.cs 프로젝트: ctapang/GPUCyclops
        public void CreateContext( Platform platform, Device device )
        {
            IntPtr[] contextProperties = new IntPtr[]
            {
                (IntPtr)ContextProperties.PLATFORM, platform.PlatformID,
                IntPtr.Zero, IntPtr.Zero
            };

            Device[] devices = new Device[]
            {
                device
            };

            oclContext = platform.CreateContext(contextProperties, devices, oclContextNotify, IntPtr.Zero);
            oclCQ = oclContext.CreateCommandQueue(device, CommandQueueProperties.PROFILING_ENABLE);
        }
예제 #5
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파일: Form1.cs 프로젝트: ctapang/GPUCyclops
        private void TestContext(Context c)
        {
            Device[] devices = c.Devices;
            OpenCLNet.Program p = c.CreateProgramFromFile("OpenCL" + Path.DirectorySeparatorChar + "src" + Path.DirectorySeparatorChar + "MemoryTests.cl");
            Dictionary<string, Kernel> kernelDictionary;

            try
            {
                p.Build();
            }
            catch (OpenCLException ocle)
            {
                throw ocle;
            }
            kernelDictionary = p.CreateKernelDictionary();
            NativeKernelCallRef = new NativeKernel(NativeKernelTest);
            for (int deviceIndex = 0; deviceIndex < devices.Length; deviceIndex++)
            {
                Device d;

                d = devices[deviceIndex];
                using (CommandQueue cq = c.CreateCommandQueue(d))
                {
                    if ( (d.ExecutionCapabilities & (ulong)DeviceExecCapabilities.NATIVE_KERNEL)!=0 )
                    {
                        Output("Testing native kernel execution");
                        cq.EnqueueNativeKernel(NativeKernelCallRef, this, null);
                        cq.Finish();
                        if (NativeKernelCalled != 1)
                            Error("EnqueueNativeKernel failed");
                        Interlocked.Decrement(ref NativeKernelCalled);
                    }
                    else
                    {
                        Output("Testing native kernel execution: Not supported");
                    }

                    TestMem(c, cq, kernelDictionary);
                    TestDevice(d);
                    TestCommandQueue(c, cq);
                    TestKernel(c, cq, kernelDictionary["ArgIO"]);
                    TestUserEventCallbacks(c, cq);
                    TestVecKernel(c, cq, kernelDictionary["TestVectorFloat2"]);
                }
            }
        }
예제 #6
0
        /// <summary>
        /// Create a context and initialize default command queues in the CQ property
        /// </summary>
        /// <param name="platform"></param>
        /// <param name="devices"></param>
        public void CreateContext( Platform platform, IntPtr[] contextProperties, IEnumerable<Device> devices, ContextNotify notify, IntPtr userData )
        {
            if (!OpenCLIsAvailable)
                throw new OpenCLNotAvailableException();

            Platform = platform;
            Context = platform.CreateContext( contextProperties, devices.ToArray<Device>(), notify, userData );
            CQ = new CommandQueue[Context.Devices.Length];
            for (int i = 0; i < Context.Devices.Length; i++)
                CQ[i] = Context.CreateCommandQueue(Context.Devices[0]);
        }
예제 #7
0
        protected virtual void Initialize(DeviceType deviceType, string source)
        {
            Devices = Platform.QueryDevices(deviceType);
            if (Devices.Length == 0)
                throw new OpenCLException("No devices of type "+deviceType+" present");

            Context = Platform.CreateContext(null,Devices,null, IntPtr.Zero);
            CQs = new CommandQueue[Devices.Length];
            for( int i=0; i<CQs.Length; i++ )
                CQs[i] = Context.CreateCommandQueue(Devices[i], CommandQueueProperties.PROFILING_ENABLE);
            CQ = CQs[0];
            Program = Context.CreateProgramWithSource(source);
            Program.Build();
            Kernels = Program.CreateKernelDictionary();
        }
예제 #8
0
        public Core(int Nxp,int Nyp, int Nzp, int Ntm, double Bbeta, double Flux)
        {
            Nx = Nxp; Ny = Nyp; Nz = Nzp; Nt = Ntm; betagauge = (floattype)Bbeta; flux = (floattype)Flux;
            N = Nx * Ny * Nz * Nt; Nspace = Nx * Ny * Nz;

            string strforcompiler =  "-D Nt=" + Nt.ToString() + " -D Nxyz=" + (Nx * Ny * Nz).ToString() + " -D Nxy=" + (Nx*Ny).ToString() +
                                            " -D Nx="+(Nx).ToString()+" -D Ny="+(Ny).ToString()+" -D Nz="+(Nz).ToString();
            strforcompiler += typeof(floattype) == typeof(double) ? " -D floattype=double -D floattype2=double2 -D floattype4=double4" :
                                                                " -D floattype=float -D floattype2=float2 -D floattype4=float4";
            strforcompiler += " -D phi=" + flux.ToString().Replace(',', '.') + " -D KAPPA=" + kappa.ToString().Replace(',', '.');
            string fp64support = "#pragma OPENCL EXTENSION  cl_khr_fp64 : enable\n";

            Plocalsize = AdjustLocalSize(Nspace);
            Slocalsize = AdjustLocalSize(N / 2);
            XhermYlocalsize = AdjustLocalSize(4 * N);

               // Plocalsize = 16; Slocalsize = 16;

            PNumGroups = Nx * Ny * Nz / Plocalsize;
            SNumGroups = N/2 / Slocalsize;
            XhermYNumGroups = 4*4*N / XhermYlocalsize;
            BufferLength = N * 4 * 9 * 2 * sizeof(floattype);
            SeedBufLen = N * sizeof(Int32)/2 * 4;

            AllocBuffers();

            openCLPlatform = OpenCL.GetPlatform(0);
            openCLDevices = openCLPlatform.QueryDevices(DeviceType.ALL);
            openCLContext = openCLPlatform.CreateDefaultContext();
            openCLCQ = openCLContext.CreateCommandQueue(openCLDevices[0], CommandQueueProperties.PROFILING_ENABLE);
            MyKernelProgram = openCLContext.CreateProgramWithSource(
                (typeof(floattype)==typeof(double)?fp64support:"") + File.ReadAllText("MyKernel.cl")+File.ReadAllText("dirak_mul.cl"));
            try
            {
                MyKernelProgram.Build(openCLDevices, strforcompiler, null, IntPtr.Zero);
            }
            catch (OpenCLException)
            {
                string buildLog = MyKernelProgram.GetBuildLog(openCLDevices[0]);
                MessageBox.Show(buildLog, "Build error(64 bit debug sessions in vs2008 always fail like this - debug in 32 bit or use vs2010)");
                //  Application.Exit();
            }
            MyKernelKernel = MyKernelProgram.CreateKernel("MyKernel");
            PReductionKernel = MyKernelProgram.CreateKernel("PLoop");
            SReductionKernel = MyKernelProgram.CreateKernel("CalcS");
            DiralMulKernel = MyKernelProgram.CreateKernel("dirakMatrMul");
            FillWithKernel = MyKernelProgram.CreateKernel("FillWith");
            FillLinkWithKernel = MyKernelProgram.CreateKernel("FillLinkWith");
            FillWithRandomKernel = MyKernelProgram.CreateKernel("FillWithRandom");
            AXPYKernel = MyKernelProgram.CreateKernel("AXPY");
            XhermYKernel = MyKernelProgram.CreateKernel("XhermY");
            BackupLinkKernel = MyKernelProgram.CreateKernel("BackupLink");
            RestoreLinkKernel = MyKernelProgram.CreateKernel("RestoreLink");

            SeedMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), SeedBufLen, IntPtr.Zero);
            LinkMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), BufferLength, IntPtr.Zero);
            PGroupMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), floatsize * PNumGroups, IntPtr.Zero);
            PResMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), floatsize, IntPtr.Zero);
            SGroupMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), floatsize * SNumGroups, IntPtr.Zero);
            SResMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), floatsize, IntPtr.Zero);

            XhermYGroupMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), floatsize * 2*XhermYNumGroups, IntPtr.Zero);
            XhermYresMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), floatsize * 2, IntPtr.Zero);
            XhermYrespointer = System.Runtime.InteropServices.Marshal.AllocHGlobal(floatsize * 2);

            SeedVectorMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), SeedVectorBuf.Length * sizeof(int), IntPtr.Zero);
            StorageMem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), linksize, IntPtr.Zero);
            dSmem = openCLContext.CreateBuffer((MemFlags)((long)MemFlags.READ_WRITE), floatsize, IntPtr.Zero);
            dSpointer = System.Runtime.InteropServices.Marshal.AllocHGlobal(floatsize);

            MyKernelKernel.SetArg(0, (byte)EvenOdd);
            MyKernelKernel.SetArg(1, (floattype)betagauge);
            MyKernelKernel.SetArg(2, (floattype)flux);
            MyKernelKernel.SetArg(3, SeedMem);
            MyKernelKernel.SetArg(4, LinkMem);

            PReductionKernel.SetArg(0, LinkMem);
            PReductionKernel.SetArg(1, PGroupMem);
            PReductionKernel.SetArg(2, PResMem);
            IntPtr ptr = new IntPtr(Plocalsize * floatsize);
            PReductionKernel.SetArg(3, ptr, IntPtr.Zero);

            SReductionKernel.SetArg(0, LinkMem);
            SReductionKernel.SetArg(1, SGroupMem);
            SReductionKernel.SetArg(2, SResMem);
            IntPtr ptr1 = new IntPtr(Slocalsize * floatsize);
            SReductionKernel.SetArg(3, ptr1, IntPtr.Zero);

            XhermYKernel.SetArg(2, XhermYresMem);
            XhermYKernel.SetArg(3, XhermYGroupMem);
            XhermYKernel.SetArg(4, new IntPtr(XhermYlocalsize*floatsize*2),IntPtr.Zero);

            openCLCQ.EnqueueWriteBuffer(SeedMem, true, 0, SeedBufLen, ipseed);
            openCLCQ.EnqueueWriteBuffer(LinkMem, true, 0, BufferLength, ip);
            openCLCQ.EnqueueWriteBuffer(SeedVectorMem, true, 0, SeedVectorBuf.Length*sizeof(int), ipseedvector);
            rhat0 = new Vector();
            //init BICGStab vectors
            phi = new Vector();

            r0 = new Vector();

            //rprev = new Vector();
            pi = new Vector();
            vi = new Vector();
            t = new Vector();
            s = new Vector();
               // xprev = new Vector();

               // vprev = new Vector();
               // pprev = new Vector();

            temp = new Vector();

            ri = new Vector();

            x = new Vector();

            //for fermion update

            chi = new Vector();

            CalculateS();
            double s1 = S[0];
            BackupLink(0, 0,1, 0, 1);
            CalculateS();
            double s2 = S[0];
            RestoreLink(0, 0, 1, 0, 1);
            CalculateS();
            double s3 = S[0];

            //MessageBox.Show(s1.ToString() + s2.ToString() + s3.ToString());
        }