func (u *MMEFUpdater) Update() {
// Account for msat0T0 multiplier in both relaxation tensor and magnetization vector
u.Qmm.Multiplier()[0] = u.msat0T0.Multiplier()[0]
u.Qmm.Multiplier()[0] *= u.msat0T0.Multiplier()[0]
// Account for mu0
u.Qmm.Multiplier()[0] *= Mu0
// Account for multiplier in R that should always be equal to the gyromagnetic ratio. Moreover the R is reduced to [1/s] units
u.Qmm.Multiplier()[0] *= u.R.Multiplier()[0]
gpu.Dot(u.Qmm.Array(),
u.m.Array(),
u.R.Array())
// Finally, do Qmm = Qmm * msat0T0(r)^2 to account spatial properties of msat0T0 that are hidden in the definitions of the relaxation constants and magnertization vector
if !u.msat0T0.Array().IsNil() {
gpu.Mul(u.Qmm.Array(),
u.Qmm.Array(),
u.msat0T0.Array())
gpu.Mul(u.Qmm.Array(),
u.Qmm.Array(),
u.msat0T0.Array())
}
}
// Calculate the magnetic field plan.B
func (plan *MaxwellPlan) UpdateB() {
msat0T0 := GetEngine().Quant("Msat0T0")
m := GetEngine().Quant("m")
plan.M.CopyFromDevice(m.Array())
if !msat0T0.Array().IsNil() {
gpu.Mul(&plan.M.Comp[X], &plan.M.Comp[X], msat0T0.Array())
gpu.Mul(&plan.M.Comp[Y], &plan.M.Comp[Y], msat0T0.Array())
gpu.Mul(&plan.M.Comp[Z], &plan.M.Comp[Z], msat0T0.Array())
}
mMul := msat0T0.Multiplier()[0] * Mu0
plan.ForwardFFT(plan.M)
// Point-wise kernel multiplication
gpu.TensSYMMVecMul(&plan.fftBuf.Comp[X], &plan.fftBuf.Comp[Y], &plan.fftBuf.Comp[Z],
&plan.fftBuf.Comp[X], &plan.fftBuf.Comp[Y], &plan.fftBuf.Comp[Z],
plan.fftKern[X][X], plan.fftKern[Y][Y], plan.fftKern[Z][Z],
plan.fftKern[Y][Z], plan.fftKern[X][Z], plan.fftKern[X][Y],
mMul,
plan.fftKernSize[X], plan.fftKernSize[Y], plan.fftKernSize[Z],
plan.fftBuf.Stream)
plan.InverseFFT(plan.B.Array())
}
func (u *CeDrudeUpdater) Update() {
Ce := u.Ce
T := u.T
γ := u.γ
n := u.n
stream := Ce.Array().Stream
Ce.Multiplier()[0] = (n.Multiplier()[0] / Na) * γ.Multiplier()[0]
Ce.Array().CopyFromDevice(T.Array())
if !n.Array().IsNil() {
gpu.Mul(Ce.Array(), n.Array(), Ce.Array())
}
if !γ.Array().IsNil() {
gpu.Mul(Ce.Array(), γ.Array(), Ce.Array())
}
stream.Sync()
}
func (u *EnergyUpdater) Update() {
gpu.DotMask(u.w.Array(), u.m.Array(), u.H.Array(), u.m.Multiplier(), u.H.Multiplier())
if !u.msat.Array().IsNil() {
gpu.Mul(u.w.Array(), u.w.Array(), u.msat.Array())
}
u.SumReduceUpdater.Update()
u.energy.Multiplier()[0] *= u.msat.Multiplier()[0]
u.energy.Multiplier()[0] *= u.weight
u.energy.SetUpToDate(true)
u.w.SetUpToDate(true)
}
func (u *FFTUpdater) Update() {
window := u.win
qin := u.in.Array()
qout := u.out.Array()
q := u.q
COMP := u.in.NComp()
//~ apply windowing
for ii := 0; ii < COMP; ii++ {
gpu.Mul(q.Component(ii), qin.Component(ii), window)
}
//~ dot fft
for ii := 0; ii < COMP; ii++ {
u.out.Multiplier()[ii] *= u.norm
u.plan.Forward(q.Component(ii), qout.Component(ii))
}
}
func (u *DFUpdater) Update() {
// Account for msat0T0 multiplier, because it is a mask
u.Qmagn.Multiplier()[0] = u.msat0T0.Multiplier()[0]
// Account for - 2.0 * 0.5 * mu0
u.Qmagn.Multiplier()[0] *= -Mu0
// Account for multiplier in H_eff
u.Qmagn.Multiplier()[0] *= u.Heff.Multiplier()[0]
// Account for multiplier in R that should always be equal to the gyromagnetic ratio. Moreover the R is reduced to [1/s] units
u.Qmagn.Multiplier()[0] *= u.R.Multiplier()[0]
gpu.Dot(u.Qmagn.Array(),
u.Heff.Array(),
u.R.Array())
// Finally. do Qmag = Qmag * msat0T0(r) to account spatial properties of msat0T0 that are hidden in the definition of the relaxation constants
if !u.msat0T0.Array().IsNil() {
gpu.Mul(u.Qmagn.Array(),
u.Qmagn.Array(),
u.msat0T0.Array())
}
}