Exemple #1
0
func main() {

	cuda.Init(0)
	InitIO("standardproblem4.mx3", "standardproblem4.out", true)
	GoServe(":35367")
	defer Close()

	SetGridSize(128, 32, 1)
	SetCellSize(500e-9/128, 125e-9/32, 3e-9)

	Msat.Set(800e3)
	Aex.Set(13e-12)
	Alpha.Set(0.02)
	M.Set(Uniform(1, .1, 0))

	AutoSave(&M, 100e-12)
	TableAdd(MaxTorque)
	TableAutoSave(5e-12)

	Relax()

	// reversal
	B_ext.Set(Vector(-24.6E-3, 4.3E-3, 0))
	Run(1e-9)
	TOL := 1e-3
	ExpectV("m", M.Average(), Vector(-0.9846124053001404, 0.12604089081287384, 0.04327124357223511), TOL)
}
Exemple #2
0
func main() {
	flag.Parse()
	log.SetPrefix("")
	log.SetFlags(0)

	cuda.Init(*engine.Flag_gpu)

	cuda.Synchronous = *engine.Flag_sync
	if *flag_version {
		printVersion()
	}

	// used by bootstrap launcher to test cuda
	// successful exit means cuda was initialized fine
	if *flag_test {
		fmt.Println(cuda.GPUInfo)
		os.Exit(0)
	}

	defer engine.Close() // flushes pending output, if any

	if *flag_vet {
		vet()
		return
	}

	switch flag.NArg() {
	case 0:
		runInteractive()
	case 1:
		runFileAndServe(flag.Arg(0))
	default:
		RunQueue(flag.Args())
	}
}
Exemple #3
0
func main() {
	flag.Parse()
	log.SetPrefix("")
	log.SetFlags(0)

	cuda.Init(*flag_gpu)
	runtime.GOMAXPROCS(runtime.NumCPU())
	cuda.Synchronous = *flag_sync
	if *flag_version {
		printVersion()
	}

	timer.Timeout = *flag_launchtimeout
	if *flag_launchtimeout != 0 {
		cuda.Synchronous = true
	}

	engine.TestDemag = *flag_selftest

	// used by bootstrap launcher to test cuda
	// successful exit means cuda was initialized fine
	if *flag_test {
		fmt.Println(cuda.GPUInfo)
		os.Exit(0)
	}

	engine.CacheDir = *flag_cachedir
	if *flag_cpuprof {
		prof.InitCPU(".")
	}
	if *flag_memprof {
		prof.InitMem(".")
	}
	defer prof.Cleanup()
	defer engine.Close() // flushes pending output, if any

	defer func() {
		if *flag_sync {
			timer.Print(os.Stdout)
		}
	}()

	if *flag_vet {
		vet()
		return
	}

	switch flag.NArg() {
	case 0:
		runInteractive()
	case 1:
		runFileAndServe(flag.Arg(0))
	default:
		RunQueue(flag.Args())
	}
}
Exemple #4
0
func buildAPI() {
	cuda.Init(0) // gpu 0

	ident := engine.World.Identifiers
	doc := engine.World.Doc
	e := make(entries, 0, len(ident))
	for K, v := range doc {
		k := strings.ToLower(K)
		t := ident[k].Type()
		entr := entry{K, t, v, false}
		e = append(e, &entr)
		api_ident[k] = entr
	}
	sort.Sort(&e)
	api_entries = e
}
Exemple #5
0
func main() {

	cuda.Init(0)
	defer Close()

	Nx := 512
	Ny := 128
	Nz := 1

	cellsize := 5.0e-9
	SetGridSize(Nx, Ny, Nz)
	thickness := 40e-9
	//width := float64(Ny) * cellsize
	length := float64(Nx) * cellsize
	SetCellSize(cellsize, cellsize, thickness/float64(Nz))

	mask := data.NewSlice(3, Mesh().Size())
	wireX := -length * 0.45
	//wireY := 0.0
	wireZ := thickness * 5.0

	for h := 0; h < 10; h++ {
		for i := 0; i < Nx; i++ {
			for j := 0; j < Ny; j++ {
				r := Index2Coord(i, j, 0)
				r = r.Sub(Vector(wireX+float64(h)*cellsize, r.Y(), wireZ))

				B := Vector(0, 0, 0)
				current := Vector(0, 1, 0)
				B = r.Cross(current).Mul(Mu0 / (2 * math.Pi * math.Pow(r.Len(), 2)))

				mask.Set(0, i, j, 0, B.X())
				mask.Set(1, i, j, 0, B.Y())
				mask.Set(2, i, j, 0, B.Z())
			}
		}
	}

	f, _ := os.OpenFile("antenna.ovf", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
	defer f.Close()
	oommf.WriteOVF2(f, mask, data.Meta{}, "binary 4")
}
Exemple #6
0
// Usage: in every Go input file, write:
//
// 	func main(){
// 		defer InitAndClose()()
// 		// ...
// 	}
//
// This initialises the GPU, output directory, etc,
// and makes sure pending output will get flushed.
func InitAndClose() func() {

	flag.Parse()

	cuda.Init(*Flag_gpu)
	cuda.Synchronous = *Flag_sync

	od := *Flag_od
	if od == "" {
		od = path.Base(os.Args[0]) + ".out"
	}
	inFile := util.NoExt(od)
	InitIO(inFile, od, *Flag_forceclean)

	GoServe(*Flag_port)

	return func() {
		Close()
	}
}