public HuForceDirectedLayout(int steps) { #if !DEBUG try { #endif CUDADriver.cuInit(0); dev = new CUdevice(); CUDADriver.cuDeviceGet(ref dev, 0); ctx = new CUcontext(); CUDADriver.cuCtxCreate(ref ctx, 0, dev); mod = new CUmodule(); CUDADriver.cuModuleLoad(ref mod, "BarnesHut.cubin"); prop = new CUDeviceProperties(); CUDADriver.cuDeviceGetProperties(ref prop, dev); int version = 0; CUDADriver.cuDriverGetVersion(ref version); string caps = ""; GASS.CUDA.CUDARuntime.cudaRuntimeGetVersion(ref version); caps += "\tClock rate = " + prop.clockRate/1000000 + " MHz\n"; caps += "\tMemory size = " + prop.totalConstantMemory/1024 + " KB\n"; caps += "\tThreads per block = " + prop.maxThreadsPerBlock + "\n"; caps += "\tWarp size = " + prop.SIMDWidth + "\n"; caps += "\tCUDA version = " + version + "\n"; Logger.AddMessage(LogEntryType.Info, "Successfully initialized CUDA GPU computation\n"+caps); #if !DEBUG } catch(Exception ex) { Logger.AddMessage(LogEntryType.Warning, "CUDA not available, falling back to CPU. Exception was: " + ex.Message); CUDAEnabled = false; } #endif }
public static extern CUResult cuDeviceGetProperties(ref CUDeviceProperties prop, CUdevice dev);