internal OpenCLDevice(OpenCLComputeDeviceDesc desc, DeviceConfig _deviceConfig) : base(desc) { this.deviceConfig = _deviceConfig == null ? new DeviceConfig() : _deviceConfig; computeFramework = new ComputeFramework(GetDevice(), new string[] { CLSourceProvider.ReadSourceFile() }, new string[] { calcLayerKernel, forwardPass, backwardPassKernel }, deviceConfig.compileOptions); }
internal static ComputeDevice CreateDevice(OpenCLComputeDeviceDesc desc, DeviceConfig deviceConfig = null) { return(new OpenCLDevice(desc, deviceConfig)); }
/// <summary> /// Provides a list of available OpenCL devices on the system /// </summary> /// <returns>A list of OpenCL devices</returns> public static List <ComputeDeviceDesc> GetDevices() { List <ComputeDeviceDesc> ret = new List <ComputeDeviceDesc>(); // Gets the number of available platforms uint numberOfAvailablePlatforms; Result result = PlatformsNativeApi.GetPlatformIds(0, null, out numberOfAvailablePlatforms); if (result != Result.Success) { throw new OpenClException("The number of platforms could not be queried.", result); } // Gets pointers to all the platforms IntPtr[] platformPointers = new IntPtr[numberOfAvailablePlatforms]; result = PlatformsNativeApi.GetPlatformIds(numberOfAvailablePlatforms, platformPointers, out numberOfAvailablePlatforms); if (result != Result.Success) { throw new OpenClException("The platforms could not be retrieved.", result); } // Converts the pointers to platform objects int platformId = 0; foreach (IntPtr platformPointer in platformPointers) { ++platformId; // Gets the number of available devices of the specified type uint numberOfAvailableDevices; Result result_d = DevicesNativeApi.GetDeviceIds(platformPointer, DeviceType.All, 0, null, out numberOfAvailableDevices); if (result_d != Result.Success) { throw new OpenClException("The number of available devices could not be queried.", result_d); } // Gets the pointers to the devices of the specified type IntPtr[] devicePointers = new IntPtr[numberOfAvailableDevices]; result_d = DevicesNativeApi.GetDeviceIds(platformPointer, DeviceType.All, numberOfAvailableDevices, devicePointers, out numberOfAvailableDevices); if (result_d != Result.Success) { throw new OpenClException("The devices could not be retrieved.", result_d); } // Converts the pointer to device objects int deviceId = 0; foreach (IntPtr devicePointer in devicePointers) { ++deviceId; OpenCLComputeDeviceDesc devDesc = new OpenCLComputeDeviceDesc(); devDesc.platform = platformPointer; devDesc.device = devicePointer; devDesc.platformId = platformId; devDesc.deviceId = deviceId; ret.Add(devDesc); } } return(ret); }