text: ckpt_path = '../ckpts'
  data_path = '../../data'
  graph_path = '../graphs'
  
  num_trains = {
      'mnist': 60000,
      'cifar': 50000,
      'fmnist': 60000
  }
  
  num_tests = {
      'mnist': 10000,
      'cifar': 10000,
      'fmnist': 10000
  }
  
  input_sizes = {
      'mnist': 28*28,
      'cifar': 3*32*32,
      'fmnist': 28*28
  }
  
  output_sizes = {
      'mnist': 10,
      'cifar': 10,
      'fmnist': 10
  }
  
  E_glob = 250  # \times 10^4 J
  D_glob = 0.25  # seconds
  F = {
      'eps_min': 10**(-10),
      'gamma': 1/4.0,
      'gamma_pred': 1/1.0,
      'phi': 1/10.0
  }
  