Пример #1
0
    def __init__(self, dnodex,inputdim,dim):
        X=T.ivector()
	Y=T.ivector()
	Z=T.lscalar()
	eta = T.scalar()
        temperature=T.scalar()
        self.dnodex=dnodex
        num_input = inputdim
	dnodex.umatrix=theano.shared(floatX(np.random.randn(*(self.dnodex.nuser,inputdim, inputdim))))
        dnodex.pmatrix=theano.shared(floatX(np.random.randn(*(self.dnodex.npoi,inputdim))))
        dnodex.p_l2_norm=(dnodex.pmatrix**2).sum()
        dnodex.u_l2_norm=(dnodex.umatrix**2).sum()
        num_hidden = dim
        num_output = inputdim
        inputs = InputPLayer(dnodex.pmatrix[X,:], dnodex.umatrix[Z,:,:], name="inputs")
        lstm1 = LSTMLayer(num_input, num_hidden, input_layer=inputs, name="lstm1")
        lstm2 = LSTMLayer(num_hidden, num_hidden, input_layer=lstm1, name="lstm2")
        lstm3 = LSTMLayer(num_hidden, num_hidden, input_layer=lstm2, name="lstm3")
        softmax = SoftmaxPLayer(num_hidden, num_output, dnodex.umatrix[Z,:,:], input_layer=lstm3, name="yhat", temperature=temperature)

        Y_hat = softmax.output()

        self.layers = inputs, lstm1,lstm2,lstm3,softmax
        params = get_params(self.layers)
        #caches = make_caches(params)

	cost = T.mean(T.nnet.categorical_crossentropy(Y_hat, T.dot(dnodex.pmatrix[Y,:],dnodex.umatrix[Z,:,:])))+eta*dnodex.p_l2_norm+eta*dnodex.u_l2_norm
        updates = PerSGD(cost,params,eta,X,Z,dnodex)#momentum(cost, params, caches, eta)

        self.train = theano.function([X,Y,Z, eta, temperature], cost, updates=updates, allow_input_downcast=True)

        predict_updates = one_step_updates(self.layers)
        self.predict_char = theano.function([X, Z, temperature], Y_hat, updates=predict_updates, allow_input_downcast=True)
Пример #2
0
    def __init__(self, dnodex,dim):
        X = T.matrix()
        Y = T.matrix()

	eta = T.scalar()
        temperature=T.scalar()

        num_input = len(format(dnodex.npoi,'b'))
        num_hidden = dim
        num_output = len(format(dnodex.npoi,'b'))

        inputs = InputLayer(X, name="inputs")
        lstm1 = LSTMLayer(num_input, num_hidden, input_layer=inputs, name="lstm1")
        lstm2 = LSTMLayer(num_hidden, num_hidden, input_layer=lstm1, name="lstm2")
        #lstm3 = LSTMLayer(num_hidden, num_hidden, input_layer=lstm2, name="lstm3")
        softmax = SoftmaxLayer(num_hidden, num_output, input_layer=lstm2, name="yhat", temperature=temperature)

        Y_hat = softmax.output()

        self.layers = inputs, lstm1, lstm2, softmax

        params = get_params(self.layers)
        caches = make_caches(params)

        cost = T.mean(T.nnet.categorical_crossentropy(Y_hat, Y))
        updates = momentum(cost, params, caches, eta)

        self.train = theano.function([X, Y, eta, temperature], cost, updates=updates, allow_input_downcast=True)

        predict_updates = one_step_updates(self.layers)
        self.predict_char = theano.function([X, temperature], Y_hat, updates=predict_updates, allow_input_downcast=True)
Пример #3
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    def __init__(self, num_input, num_cells=50, num_output=1, lr=0.01, rho=0.95):
        X = T.matrix('x')
        Y = T.matrix('y')
        eta = T.scalar('eta')
        alpha = T.scalar('alpha')

        self.num_input = num_input
        self.num_output = num_output
        self.num_cells = num_cells
        self.eta = eta

        inputs = InputLayer(X, name="inputs")
        lstm = LSTMLayer(num_input, num_cells, input_layer=inputs, name="lstm")
        fc = FullyConnectedLayer(num_cells, num_output, input_layer=lstm)
        Y_hat = T.mean(fc.output(), axis=2)
        layer = inputs, lstm, fc
        self.params = get_params(layer)
        self.caches = make_caches(self.params)
        self.layers = layer
        mean_cost = T.mean((Y - Y_hat)**2)
        last_cost = T.mean((Y[-1] - Y_hat[-1])**2)
        self.cost = alpha*mean_cost + (1-alpha)*last_cost
        """"
        self.updates = momentum(self.cost, self.params, self.caches, self.eta, clip_at=3.0)
        """
        self.updates,_,_,_,_ = create_optimization_updates(self.cost, self.params, method="adadelta", lr= lr, rho=rho)
        self.train = theano.function([X, Y, alpha], [self.cost, last_cost] ,\
                updates=self.updates, allow_input_downcast=True)
        self.costfn = theano.function([X, Y, alpha], [self.cost, last_cost],\
                allow_input_downcast=True)
        self.predict = theano.function([X], [Y_hat], allow_input_downcast=True)
Пример #4
0
    def __init__(self, num_input=256, num_hidden=512, num_output=256):
        X = T.matrix()
        Y = T.matrix()
        eta = T.scalar()
        alpha = T.scalar()

        self.num_input = num_input
        self.num_hidden = num_hidden
        self.num_output = num_output

        inputs = InputLayer(X, name="inputs")
        lstm1f = LSTMLayer(num_input, num_hidden, input_layers=[inputs], name="lstm1f")
        lstm1b = LSTMLayer(num_input, num_hidden, input_layers=[inputs], name="lstm1b", go_backwards=True)

        fc = FullyConnectedLayer(2*num_hidden, num_output, input_layers=[lstm1f, lstm1b], name="yhat")

        Y_hat = sigmoid(T.mean(fc.output(), axis=0))

        self.layers = inputs, lstm1f, lstm1b, fc

        params = get_params(self.layers)
        caches = make_caches(params)


        mean_cost = - T.mean( Y * T.log(Y_hat) + (1-Y) * T.log(1-Y_hat) )

        last_step_cost = - T.mean( Y[-1] * T.log(Y_hat[-1]) + (1-Y[-1]) * T.log(1-Y_hat[-1]) )

        cost = alpha * mean_cost + (1-alpha) * last_step_cost

        updates = momentum(cost, params, caches, eta, clip_at=3.0)

        self.train = theano.function([X, Y, eta, alpha], [cost, last_step_cost], updates=updates, allow_input_downcast=True)

        self.predict=theano.function([X], [Y_hat[-1]], allow_input_downcast=True)
Пример #5
0
    def __init__(self, dnodex,inputdim,dim):
        X=T.ivector()
	Y=T.ivector()
	Z=T.lscalar()
	NP=T.ivector()
	lambd = T.scalar()
	eta = T.scalar()
        temperature=T.scalar()
        num_input = inputdim
	self.umatrix=theano.shared(floatX(np.random.rand(dnodex.nuser,inputdim, inputdim)))
        self.pmatrix=theano.shared(floatX(np.random.rand(dnodex.npoi,inputdim)))
        self.p_l2_norm=(self.pmatrix**2).sum()
        self.u_l2_norm=(self.umatrix**2).sum()
        num_hidden = dim
        num_output = inputdim
        inputs = InputPLayer(self.pmatrix[X,:], self.umatrix[Z,:,:], name="inputs")
        lstm1 = LSTMLayer(num_input, num_hidden, input_layer=inputs, name="lstm1")
        #lstm2 = LSTMLayer(num_hidden, num_hidden, input_layer=lstm1, name="lstm2")
        #lstm3 = LSTMLayer(num_hidden, num_hidden, input_layer=lstm2, name="lstm3")
        softmax = SoftmaxPLayer(num_hidden, num_output, self.umatrix[Z,:,:], input_layer=lstm1, name="yhat", temperature=temperature)

        Y_hat = softmax.output()

        self.layers = inputs, lstm1,softmax
        params = get_params(self.layers)
        #caches = make_caches(params)

        tmp_u=T.mean(T.dot(self.pmatrix[X,:],self.umatrix[Z,:,:]),axis=0)
        tr=T.dot(tmp_u,(self.pmatrix[X,:]-self.pmatrix[NP,:]).transpose())
        pfp_loss1=sigmoid(tr)
        pfp_loss=pfp_loss1*(T.ones_like(pfp_loss1)-pfp_loss1)
        tmp_u1=T.reshape(T.repeat(tmp_u,X.shape[0]),(inputdim,X.shape[0])).T
        pfp_lossv=T.reshape(T.repeat(pfp_loss,inputdim),(inputdim,X.shape[0])).T
	cost = lambd*10*T.mean(T.nnet.categorical_crossentropy(Y_hat, T.dot(self.pmatrix[Y,:],self.umatrix[Z,:,:])))+lambd*self.p_l2_norm+lambd*self.u_l2_norm
    #    updates = PerSGD(cost,params,eta,X,Z,dnodex)#momentum(cost, params, caches, eta)
        updates = []
        grads = T.grad(cost=cost, wrt=params)
        updates.append([self.pmatrix,T.set_subtensor(self.pmatrix[X,:],self.pmatrix[X,:]-eta*grads[0])])
        updates.append([self.umatrix,T.set_subtensor(self.umatrix[Z,:,:],self.umatrix[Z,:,:]-eta*grads[1])])
        for p,g in zip(params[2:], grads[2:]):
            updates.append([p, p - eta * g])

        rlist=T.argsort(T.dot(tmp_u,self.pmatrix.T))[::-1]
        n_updates=[(self.pmatrix, T.set_subtensor(self.pmatrix[NP,:],self.pmatrix[NP,:]-eta*pfp_lossv*tmp_u1-eta*lambd*self.pmatrix[NP,:]))]
	p_updates=[(self.pmatrix, T.set_subtensor(self.pmatrix[X,:],self.pmatrix[X,:]+eta*pfp_lossv*tmp_u1-eta*lambd*self.pmatrix[X,:])),(self.umatrix, T.set_subtensor(self.umatrix[Z,:,:],self.umatrix[Z,:,:]+eta*T.mean(pfp_loss)*(T.reshape(tmp_u,(tmp_u.shape[0],1))*T.mean(self.pmatrix[X,:]-self.pmatrix[NP,:],axis=0)))-eta*lambd*self.umatrix[Z,:,:])]
        
        self.train = theano.function([X,Y,Z, eta, lambd, temperature], cost, updates=updates, allow_input_downcast=True)
        self.trainpos=theano.function([X,NP,Z,eta, lambd],tmp_u, updates=p_updates,allow_input_downcast=True)
        self.trainneg=theano.function([X,NP,Z,eta, lambd],T.mean(pfp_loss), updates=n_updates,allow_input_downcast=True)
        
        
        self.predict_pfp = theano.function([X,Z], rlist, allow_input_downcast=True)
Пример #6
0
    def __init__(self, num_input=256, num_hidden=[512,512], num_output=256, clip_at=0.0, scale_norm=0.0):
        X = T.matrix()
        Y = T.matrix()
        eta = T.scalar()
        alpha = T.scalar()
        lambda2 = T.scalar()
        drop_prob = T.scalar()

        self.num_input = num_input
        self.num_hidden = num_hidden
        self.num_output = num_output
        self.clip_at = clip_at
        self.scale_norm = scale_norm

        inputs = InputLayer(X, name="inputs")
        num_prev = num_input
        prev_layer = inputs
        layers = [ inputs ]
        for i,num_curr in enumerate(num_hidden):
            lstm = LSTMLayer(num_prev, num_curr, input_layers=[prev_layer], name="lstm{0}".format(i+1), drop_prob=drop_prob)
            num_prev = num_curr
            prev_layer = lstm
            layers.append(lstm)
        sigmoid = SigmoidLayer(num_prev, num_output, input_layers=[prev_layer], name="yhat")
        layers.append(sigmoid)
        # lstm1 = LSTMLayer(num_input, num_hidden, input_layers=[inputs], name="lstm1")
        # lstm2 = LSTMLayer(num_hidden, num_hidden, input_layers=[lstm1], name="lstm2")
        # lstm3 = LSTMLayer(num_hidden, num_hidden, input_layers=[lstm2], name="lstm2")
        # sigmoid = SigmoidLayer(num_hidden, num_output, input_layers=[lstm2], name="yhat")

        Y_hat = sigmoid.output()

        #self.layers = inputs, lstm1, lstm2, sigmoid #, lstm3
        self.layers = layers

        params = get_params(self.layers)
        caches = make_caches(params)


        mean_cost = - T.mean( Y * T.log(Y_hat) + (1-Y) * T.log(1-Y_hat) )

        last_step_cost = - T.mean( Y[-1] * T.log(Y_hat[-1]) + (1-Y[-1]) * T.log(1-Y_hat[-1]) )

        cost = alpha * mean_cost + (1-alpha) * last_step_cost

        updates = momentum(cost, params, caches, eta, clip_at=self.clip_at, scale_norm=self.scale_norm, lambda2=lambda2)

        self.train_func = theano.function([X, Y, eta, alpha, lambda2, drop_prob], [cost, last_step_cost], updates=updates, allow_input_downcast=True)

        self.predict_func=theano.function([X, drop_prob], [Y_hat[-1]], allow_input_downcast=True)
Пример #7
0
# Specially at the end of audio files where mask is
# all zero for some of the shorter files in mini-batch.
#cost = cost.sum(axis=1) / target_mask.sum(axis=1)
#cost = cost.mean(axis=0)

# Use this one instead.
cost = cost.sum()
cost = cost / target_mask.sum()

# By default we report cross-entropy cost in bits.
# Switch to nats by commenting out this line:
# log_2(e) = 1.44269504089
cost = cost * lib.floatX(numpy.log2(numpy.e))

### Getting the params, grads, updates, and Theano functions ###
params = lib.get_params(cost, lambda x: hasattr(x, 'param') and x.param==True)
lib.print_params_info(params, path=FOLDER_PREFIX)

grads = T.grad(cost, wrt=params, disconnected_inputs='warn')
grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in grads]

updates = lasagne.updates.adam(grads, params, learning_rate=LEARNING_RATE)

# Training function
train_fn = theano.function(
    [sequences, mask],
    cost,
    updates=updates,
    on_unused_input='warn'
)
# Specially at the end of audio files where mask is
# all zero for some of the shorter files in mini-batch.
#cost = cost.sum(axis=1) / target_mask.sum(axis=1)
#cost = cost.mean(axis=0)

# Use this one instead.
cost = cost.sum()
cost = cost / target_mask.sum()

# By default we report cross-entropy cost in bits.
# Switch to nats by commenting out this line:
# log_2(e) = 1.44269504089
cost = cost * lib.floatX(numpy.log2(numpy.e))

### Getting the params, grads, updates, and Theano functions ###
params = lib.get_params(cost,
                        lambda x: hasattr(x, 'param') and x.param == True)
lib.print_params_info(params, path=FOLDER_PREFIX)

grads = T.grad(cost, wrt=params, disconnected_inputs='warn')
grads = [
    T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in grads
]

updates = lasagne.updates.adam(grads, params, learning_rate=LEARNING_RATE)

# Training function
train_fn = theano.function([sequences, h0, reset, mask], [cost, new_h0],
                           updates=updates,
                           on_unused_input='warn')

# Validation and Test function, hence no updates
Пример #9
0
        samples = sample_gmm(mu, sigma, weights, theano_rng)

    cost_raw = cost_gmm(vocoder_audio, mu, sigma, weights)
elif LOSS == "MSE":
    samples = output
    cost_raw = T.sum((samples - vocoder_audio) ** 2, axis=-1)
else:
    raise NotImplementedError("{} is not implemented.".format(LOSS))


cost = T.sum(cost_raw * mask + kl_cost)/(mask.sum() + lib.floatX(EPS))

discriminator_cost = disc_positive_cost
generator_cost = cost - disc_positive_cost

discriminator_params = lib.get_params(discriminator_cost, lambda x: (hasattr(x, 'param') and x.param==True) and ("Discriminator" in x.name))
generator_params = lib.get_params(generator_cost, lambda x: (hasattr(x, 'param') and x.param==True) and ("Discriminator" not in x.name))

params = discriminator_params + generator_params

lib.print_params_info(params, path=FOLDER_PREFIX)

discriminator_grads = T.grad(discriminator_cost, wrt=discriminator_params, disconnected_inputs='warn')
generator_grads = T.grad(generator_cost, wrt=generator_params, disconnected_inputs='warn')

discriminator_grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in discriminator_grads]
discriminator_grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in generator_grads]


discriminator_updates = lasagne.updates.sgd(discriminator_grads, discriminator_params, learning_rate=lr)
generator_updates = lasagne.updates.adam(generator_grads, generator_params, learning_rate=lr)
Пример #10
0
### Getting the params, grads, updates, and Theano functions ###
#params = lib.get_params(cost, lambda x: hasattr(x, 'param') and x.param==True)
#ip_params = lib.get_params(ip_cost, lambda x: hasattr(x, 'param') and x.param==True\
#    and 'BigFrameLevel' in x.name)
#other_params = [p for p in params if p not in ip_params]
#params = ip_params + other_params
#lib.print_params_info(params, path=FOLDER_PREFIX)
#
#grads = T.grad(cost, wrt=params, disconnected_inputs='warn')
#grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in grads]
#
#updates = lasagne.updates.adam(grads, params, learning_rate=LEARNING_RATE)

###########
all_params = lib.get_params(cost,
                            lambda x: hasattr(x, 'param') and x.param == True)
ip_params = lib.get_params(ip_cost, lambda x: hasattr(x, 'param') and x.param==True\
    and 'BigFrameLevel' in x.name)
other_params = [p for p in all_params if p not in ip_params]
all_params = ip_params + other_params
# lib.print_params_info(ip_params, path=FOLDER_PREFIX)
# lib.print_params_info(other_params, path=FOLDER_PREFIX)
lib.print_params_info(all_params, path=FOLDER_PREFIX)

# ip_grads = T.grad(ip_cost, wrt=ip_params, disconnected_inputs='warn')
# ip_grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in ip_grads]

# other_grads = T.grad(cost, wrt=other_params, disconnected_inputs='warn')
# other_grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in other_grads]

grads = T.grad(cost, wrt=all_params, disconnected_inputs='warn')
Пример #11
0
def main(params):
    '''
        params = (cathode_potential,data_set,grid_ratio:None,chamber_pressure:None)
    '''
    cathode_potential = params[0]
    data_set = params[1]

    if params[2] is None:
        grid_ratio = cathode_radius/anode_radius #Anode radius stays fixed
    else:
        grid_ratio = params[2]
    
    if params[3] is None:
        chamber_pressure = get_params('Chamber','Pressure')
    else:
        chamber_pressure = params[3]
    
    logger.info("INIT")
    Te = np.abs(cathode_potential)    #electron temperature in eV
    fusor = Domain()
    nx,ny = nodes = fusor.get_nodes()
    cathode = fusor.build_grid(anode_radius*grid_ratio)
    anode = fusor.build_grid(anode_radius)
    dx = fusor.dx
    dy = fusor.dy

    loop = ESPIC(cathode,anode,nodes,600,cathode_potential)
    particles = Particles(nodes)

    fusion = Fusion()
    PHI_G = np.zeros(nodes)
    loop.build_potential_matrix(PHI_G)
    timeStep = loop.time_steps

    spec_wt = particles.get_specificWeight(cathode_potential)

    for step in range(0,timeStep):
        logger.info(f"""
                    Begining Time Step # {step} 
                    Particle Count: {particles.count}
                        """)
        
        loop.DEN = np.zeros(nodes) # Number Density Matrix
        loop.EFX = np.zeros(nodes) # Electric Field Matrix, x-component
        loop.EFY = np.zeros(nodes) # Electric Field Matrix, y-component
        CHG = np.zeros(nodes) # Charge Density Matrix
        loop.counter = 0
        particles.lost = 0
        fusion.counter = 0
        
        ''' 1. Compute Charge Density '''
        for p in range(particles.count):
            fi = (particles.pos[p, 0] + fusor.chamber_radius-dx)/dx    #real i index of particle's cell
            i = np.floor(fi).astype(int)           #integral part
            hx = fi - i                              #the remainder
            fj = (particles.pos[p,1] + (fusor.chamber_height/2)-dx)/dx #real i index of particle's cell
            j = np.floor(fj).astype(int)              #integral part
            hy = fj - j                              #the remainder
            
            #interpolate charge to nodes
            CHG[i, j] = CHG[i, j] + (1-hx)*(1-hy)
            CHG[i+1, j] = CHG[i+1, j] + hx*(1-hy)
            CHG[i, j+1] = CHG[i, j+1] + (1-hx)*hy
            CHG[i+1, j+1] = CHG[i+1, j+1] + hx*hy

        # Calculate Densisty 
        loop.get_density(CHG,spec_wt,dx)

            
        ''' 2. Compute Electric Potential '''
        PHI_G = loop.get_potential(PHI_G,Te,dx)
        logger.info("Computed Electric Potential")



        ''' 3. Compute Electric Field '''
        logger.info('Computing Electric Field')
        loop.get_electricField(PHI_G,dx,dy)
        
        
        ''' 4. Generate Particles '''
        logger.info('Injecting Particles')
        particles.generate(radius)

    
        ''' 5. Move Particles '''
        logger.info("Moving Particles")
        m = 0 # Particle index

        while m < particles.count:
            i,j,hx,hy = particles.get_index(m,dx)
        
            i = int(i)
            j = int(j)

    
            E_field = loop.gather_electricField(i,j,hx,hy)

            F = fusor.QE*E_field
            a = F/fusor.massIon
            particles.vel[m,:] = particles.vel[m,:] + a*loop.dt
            particles.pos[m,:] = particles.pos[m,:] + particles.vel[m,:]*loop.dt

        
            rho = loop.gather_density(i,j,hx,hy)
            fusion_prob = particles.get_fusion_prob(m,rho,spec_wt)
            fusion_chance = np.random.rand(1)
            logging.debug(f"Fusion Probability: {fusion_prob}")
            logging.debug(f"Fusion Chance: {fusion_chance}")
            radial_distance = np.sqrt(particles.pos[m,0]**2 + particles.pos[m,1]**2)

            # Top Wall 
            if particles.pos[m,1] > fusor.chamber_height/2:
                particles.kill(m)  
                m += -1 
                fusor.top_counter += 1
            
            #Bottom Wall
            elif particles.pos[m,1] < -fusor.chamber_height/2:
                particles.kill(m)
                m += -1 
                fusor.bottom_counter += 1
            
            #Left Wall
            elif particles.pos[m,0] < -fusor.chamber_radius:
                particles.kill(m)
                m += -1
                fusor.left_counter += 1

            #Right Wall 
            elif particles.pos[m,0] > fusor.chamber_radius:
                particles.kill(m)
                m += -1
                fusor.right_counter += 1
            
        
            #Anode 
            elif (radial_distance < anode_radius + fusor.wire_radius) and (radial_distance > anode_radius - fusor.wire_radius):
                prob = np.random.rand(1)
                if prob > fusor.anode_gt:
                    particles.kill(m)
                    m += -1 
                    fusor.anode_counter += 1
            
            #Cathode
            elif (radial_distance < cathode_radius + fusor.wire_radius) and (radial_distance > cathode_radius - fusor.wire_radius):
                prob = np.random.rand(1)
                if prob > fusor.cathode_gt:
                    particles.kill(m)
                    m += -1 
                    fusor.cathode_counter += 1
            
            #Check Fusion
            elif fusion_chance[0] <= fusion_prob:
                fuse_position = particles.pos[[m]]
                fusion.occured(fuse_position[0])
                particles.kill(m)
                m += -1 
            
            m += 1                                      # move onto next particle
        
        #Get Fusion data
        fusion.rate_data.append([fusion.counter,step*fusor.dt])

        logger.info('Finshed moving Particles')
        logger.info(f"""
                        Net Charge: {particles.insert - particles.lost}
                        Particles lost: {particles.lost}
                        Fusion Events / dt: {fusion.counter}
                        Total Fusion Events: {fusion.events}
                    """)

    with h5py.File(f'data\\potential{data_set}.h5','w') as hdf:
        G2 = hdf.create_group("DataSets/potential/")
        dataset1 = G2.create_dataset('ParticlePosition',data=particles.pos)
        dataset2 = G2.create_dataset('ParticleVelocity', data=particles.vel)
        dataset6 = G2.create_dataset('PHI',data=PHI_G) 

        G3 = hdf.create_group("DataSets/electricfield/")
        dataset4 = G3.create_dataset('electricFieldx',data=loop.EFX)
        dataset5 = G3.create_dataset('electricFieldy',data=loop.EFY)

        G4 = hdf.create_group("DataSets/density/")
        dataset3 = G4.create_dataset('Density',data=loop.DEN)

        
        G1 = hdf.create_group(f"DataSets/fusion")
        dataset7 = G1.create_dataset('Position',data=fusion.position)
        dataset9 = G1.create_dataset('RateData',data = fusion.rate_data)
        dataset10 = G1.create_dataset('FusionCount',data = fusion.events)
        dataset11 = G1.create_dataset('ChamberPressure', data=chamber_pressure)
        dataset11.attrs['units'] = 'torr'

        groups = [G1, G2, G3, G4]

        for group in groups:
            group.attrs['gridPotential'] = f'{cathode_potential/1000} kV'
            group.attrs['gridRatio'] = f'{grid_ratio}'
    
    print(f"Completed Simulation :: {data_set}")
Пример #12
0
import logging
import numpy as np
import h5py
import concurrent.futures
import matplotlib.pyplot as plt
from time import perf_counter

''' Setup Logger '''
logger = logging.getLogger(__name__)
# logger.setLevel(logging.DEBUG)

# formatter = logging.Formatter('%(name)s :: %(process)d :: %(message)s')
logging.basicConfig(level=logging.DEBUG, format='%(name)s :: %(message)s')

#Variable Inputs (for later)
cathode_radius = get_params('Grid','Cathode_Radius') # Cathode [m]
anode_radius = get_params('Grid','Anode_Radius')  # Anode [m]
radius = get_params('Source','sourceRadius')




def main(params):
    '''
        params = (cathode_potential,data_set,grid_ratio:None,chamber_pressure:None)
    '''
    cathode_potential = params[0]
    data_set = params[1]

    if params[2] is None:
        grid_ratio = cathode_radius/anode_radius #Anode radius stays fixed
Пример #13
0
    def __init__(self,
                 num_input=256,
                 num_hidden=[512, 512],
                 num_output=256,
                 clip_at=0.0,
                 scale_norm=0.0):
        X = T.matrix()
        Y = T.matrix()
        eta = T.scalar()
        alpha = T.scalar()
        lambda2 = T.scalar()
        drop_prob = T.scalar()

        self.num_input = num_input
        self.num_hidden = num_hidden
        self.num_output = num_output
        self.clip_at = clip_at
        self.scale_norm = scale_norm

        inputs = InputLayer(X, name="inputs")
        num_prev = num_input
        prev_layer = inputs
        layers = [inputs]
        for i, num_curr in enumerate(num_hidden):
            lstm = LSTMLayer(num_prev,
                             num_curr,
                             input_layers=[prev_layer],
                             name="lstm{0}".format(i + 1),
                             drop_prob=drop_prob)
            num_prev = num_curr
            prev_layer = lstm
            layers.append(lstm)
        sigmoid = SigmoidLayer(num_prev,
                               num_output,
                               input_layers=[prev_layer],
                               name="yhat")
        layers.append(sigmoid)
        # lstm1 = LSTMLayer(num_input, num_hidden, input_layers=[inputs], name="lstm1")
        # lstm2 = LSTMLayer(num_hidden, num_hidden, input_layers=[lstm1], name="lstm2")
        # lstm3 = LSTMLayer(num_hidden, num_hidden, input_layers=[lstm2], name="lstm2")
        # sigmoid = SigmoidLayer(num_hidden, num_output, input_layers=[lstm2], name="yhat")

        Y_hat = sigmoid.output()

        #self.layers = inputs, lstm1, lstm2, sigmoid #, lstm3
        self.layers = layers

        params = get_params(self.layers)
        caches = make_caches(params)

        mean_cost = -T.mean(Y * T.log(Y_hat) + (1 - Y) * T.log(1 - Y_hat))

        last_step_cost = -T.mean(Y[-1] * T.log(Y_hat[-1]) +
                                 (1 - Y[-1]) * T.log(1 - Y_hat[-1]))

        cost = alpha * mean_cost + (1 - alpha) * last_step_cost

        updates = momentum(cost,
                           params,
                           caches,
                           eta,
                           clip_at=self.clip_at,
                           scale_norm=self.scale_norm,
                           lambda2=lambda2)

        self.train_func = theano.function(
            [X, Y, eta, alpha, lambda2, drop_prob], [cost, last_step_cost],
            updates=updates,
            allow_input_downcast=True)

        self.predict_func = theano.function([X, drop_prob], [Y_hat[-1]],
                                            allow_input_downcast=True)
Пример #14
0
### Getting the params, grads, updates, and Theano functions ###
#params = lib.get_params(cost, lambda x: hasattr(x, 'param') and x.param==True)
#ip_params = lib.get_params(ip_cost, lambda x: hasattr(x, 'param') and x.param==True\
#    and 'BigFrameLevel' in x.name)
#other_params = [p for p in params if p not in ip_params]
#params = ip_params + other_params
#lib.print_params_info(params, path=FOLDER_PREFIX)
#
#grads = T.grad(cost, wrt=params, disconnected_inputs='warn')
#grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in grads]
#
#updates = lasagne.updates.adam(grads, params, learning_rate=LEARNING_RATE)

###########
all_params = lib.get_params(cost, lambda x: hasattr(x, 'param') and x.param==True)
ip_params = lib.get_params(ip_cost, lambda x: hasattr(x, 'param') and x.param==True\
    and 'BigFrameLevel' in x.name)
other_params = [p for p in all_params if p not in ip_params]
all_params = ip_params + other_params
lib.print_params_info(ip_params, path=FOLDER_PREFIX)
lib.print_params_info(other_params, path=FOLDER_PREFIX)
lib.print_params_info(all_params, path=FOLDER_PREFIX)

ip_grads = T.grad(ip_cost, wrt=ip_params, disconnected_inputs='warn')
ip_grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in ip_grads]

other_grads = T.grad(cost, wrt=other_params, disconnected_inputs='warn')
other_grads = [T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in other_grads]

grads = T.grad(cost, wrt=all_params, disconnected_inputs='warn')
# all zero for some of the shorter files in mini-batch.
#cost = cost.sum(axis=1) / target_mask.sum(axis=1)
#cost = cost.mean(axis=0)
cost_sum = T.sum(cost, axis=1)
# Use this one instead.
cost = cost.sum()
cost = cost / target_mask.sum()  #cost average by samples

# By default we report cross-entropy cost in bits.
# Switch to nats by commenting out this line:
# log_2(e) = 1.44269504089
#cost = cost * lib.floatX(numpy.log2(numpy.e))

###########
all_params = lib.get_params(
    cost, lambda x: hasattr(x, 'param') and x.param == True
)  #if LEARN_H0=True,then learn_h0 is included in parmeters to train

lib.print_params_info(all_params, path=FOLDER_PREFIX)

grads = T.grad(cost, wrt=all_params, disconnected_inputs='warn')
grads = [
    T.clip(g, lib.floatX(-GRAD_CLIP), lib.floatX(GRAD_CLIP)) for g in grads
]

updates = lasagne.updates.adam(grads, all_params, learning_rate=lr)

# Training function(s)
train_fn = theano.function([
    sequences_8k, sequences_up, condition, con_h0, big_h0, h0, reset, mask,
    batch_size, lr