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adding_task.py
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adding_task.py
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from torch import nn, optim
import torch
import model
import torch.nn.utils
import utils
import argparse
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
parser = argparse.ArgumentParser(description='training parameters')
parser.add_argument('--n_hid', type=int, default=128,
help='hidden size of recurrent net')
parser.add_argument('--T', type=int, default=100,
help='length of sequences')
parser.add_argument('--max_steps', type=int, default=60000,
help='max learning steps')
parser.add_argument('--log_interval', type=int, default=100,
help='log interval')
parser.add_argument('--batch', type=int, default=50,
help='batch size')
parser.add_argument('--batch_test', type=int, default=1000,
help='size of test set')
parser.add_argument('--lr', type=float, default=2e-2,
help='learning rate')
parser.add_argument('--dt',type=float, default=6e-2,
help='step size <dt> of the coRNN')
parser.add_argument('--gamma',type=float, default=66,
help='y controle parameter <gamma> of the coRNN')
parser.add_argument('--epsilon',type=float, default = 15,
help='z controle parameter <epsilon> of the coRNN')
args = parser.parse_args()
n_inp = 2
n_out = 1
model = model.coRNN(n_inp, args.n_hid, n_out, args.dt, args.gamma, args.epsilon).to(device)
objective = nn.MSELoss()
optimizer = optim.Adam(model.parameters(), lr=args.lr)
def test():
model.eval()
with torch.no_grad():
data, label = utils.get_batch(args.T, args.batch_test)
label = label.unsqueeze(1)
out = model(data.to(device))
loss = objective(out, label.to(device))
return loss.item()
def train():
model.train()
test_mse = []
for i in range(args.max_steps):
data, label = utils.get_batch(args.T,args.batch)
label = label.unsqueeze(1)
optimizer.zero_grad()
out = model(data.to(device))
loss = objective(out, label.to(device))
loss.backward()
optimizer.step()
if(i%100==0 and i!=0):
mse_error = test()
print('Test MSE: {:.6f}'.format(mse_error))
test_mse.append(mse_error)
if __name__ == '__main__':
train()