def plot():
from hypergrad.omniglot import show_all_alphabets
import matplotlib.pyplot as plt
import matplotlib as mpl
from spectral_clustering.spclust import find_blockifying_perm
with open('results.pkl') as f:
results, grad_transform_dict = pickle.load(f)
fig = plt.figure(0)
fig.set_size_inches((6,4))
ax = fig.add_subplot(111)
ax.set_title('Performance vs hyper step')
for k, v in results.iteritems():
ax.plot(line_search_dists, v, 'o-', label=k)
ax.set_xlabel('Step size')
ax.set_ylabel('Negative log prob')
ax.legend(loc=1, frameon=False)
plt.savefig('performance.png')
# Plotting learned transforms
step_size = 0.2
T_baseline = make_transform(N_scripts, script_corr_init).as_dict()
print grad_transform_dict[0]
T_learned = {i : T_baseline[i] + step_size * grad_transform_dict[i] for i in T_baseline.keys()}
covar_baseline = dictmap(T_to_covar, T_baseline)
covar_learned = dictmap(T_to_covar, T_learned)
covar_baseline = dictmap(covar_to_corr, covar_baseline)
covar_learned = dictmap(covar_to_corr, covar_learned)
covar_baseline = dictmap(np.abs, covar_baseline)
covar_learned = dictmap(np.abs, covar_learned)
# Blockify:
npr.seed(3)
perm = find_blockifying_perm(covar_learned[0], 1, 3)
show_all_alphabets(perm)
print perm
def permute_array(A):
return A[np.ix_(perm, perm)]
covar_baseline = dictmap(permute_array, covar_baseline)
covar_learned = dictmap(permute_array, covar_learned)
all_baseline = np.concatenate([covar_baseline[i] for i in range(N_layers)], axis=0)
all_learned = np.concatenate([covar_learned[i] for i in range(N_layers)], axis=0)
all_img = np.concatenate((all_baseline, all_learned), axis=1)
all_img = np.minimum(np.maximum(all_img, 0.0), 0.2)
fig = plt.figure(0)
fig.clf()
fig.set_size_inches((6,8))
ax = fig.add_subplot(111)
ax.imshow(all_img, cmap = mpl.cm.binary)
ax.set_title('Original / learned')
ax.set_ylabel('Layer number')
ax.set_xticks([])
ax.set_yticks([])
plt.savefig('learned_covar_permuted.png')
def plot():
from hypergrad.omniglot import show_all_alphabets
import matplotlib.pyplot as plt
import matplotlib as mpl
from spectral_clustering.spclust import find_blockifying_perm
with open('results.pkl') as f:
results, grad_transform_dict = pickle.load(f)
fig = plt.figure(0)
fig.set_size_inches((6,4))
ax = fig.add_subplot(111)
ax.set_title('Performance vs hyper step')
for k, v in results.iteritems():
ax.plot(line_search_dists, v, 'o-', label=k)
ax.set_xlabel('Step size')
ax.set_ylabel('Negative log prob')
ax.legend(loc=1, frameon=False)
plt.savefig('performance.png')
# Plotting learned transforms
step_size = 0.2
T_baseline = make_transform(N_scripts, script_corr_init).as_dict()
print grad_transform_dict[0]
T_learned = {i : T_baseline[i] + step_size * grad_transform_dict[i] for i in T_baseline.keys()}
covar_baseline = dictmap(T_to_covar, T_baseline)
covar_learned = dictmap(T_to_covar, T_learned)
covar_baseline = dictmap(covar_to_corr, covar_baseline)
covar_learned = dictmap(covar_to_corr, covar_learned)
covar_baseline = dictmap(np.abs, covar_baseline)
covar_learned = dictmap(np.abs, covar_learned)
# Blockify:
npr.seed(3)
perm = find_blockifying_perm(covar_learned[0], 1, 3)
show_all_alphabets(perm)
print perm
def permute_array(A):
return A[np.ix_(perm, perm)]
covar_baseline = dictmap(permute_array, covar_baseline)
covar_learned = dictmap(permute_array, covar_learned)
all_baseline = np.concatenate([covar_baseline[i] for i in range(N_layers)], axis=0)
all_learned = np.concatenate([covar_learned[i] for i in range(N_layers)], axis=0)
all_img = np.concatenate((all_baseline, all_learned), axis=1)
all_img = np.minimum(np.maximum(all_img, 0.0), 0.2)
fig = plt.figure(0)
fig.clf()
fig.set_size_inches((6,8))
ax = fig.add_subplot(111)
ax.imshow(all_img, cmap = mpl.cm.binary)
ax.set_title('Original / learned')
ax.set_ylabel('Layer number')
ax.set_xticks([])
ax.set_yticks([])
plt.savefig('learned_covar_permuted.png')
def plot():
from hypergrad.omniglot import show_all_alphabets
import matplotlib.pyplot as plt
import matplotlib as mpl
#from spectral_clustering.spclust import find_blockifying_perm
with open('results.pkl') as f:
results, all_transforms = pickle.load(f)
fig = plt.figure(0)
fig.set_size_inches((6,4))
ax = fig.add_subplot(111)
ax.set_title('Performance vs hyper step')
for k, v in results.iteritems():
ax.plot(v, 'o-', label=k)
ax.set_xlabel('Hyper iteration')
ax.set_ylabel('Negative log prob')
ax.legend(loc=1, frameon=False)
plt.savefig('performance.png')
# Plotting learned transforms
T_baseline = make_transform(N_scripts, script_corr_init).as_dict()
print all_transforms[-1][0]
T_learned = {i : all_transforms[-1][i] for i in T_baseline.keys()}
covar_baseline = dictmap(T_to_covar, T_baseline)
covar_learned = dictmap(T_to_covar, T_learned)
# covar_baseline = dictmap(covar_to_corr, covar_baseline)
# covar_learned = dictmap(covar_to_corr, covar_learned)
covar_baseline = dictmap(np.abs, covar_baseline)
covar_learned = dictmap(np.abs, covar_learned)
# # Blockify:
# npr.seed(1)
# perm = find_blockifying_perm(covar_learned[0], 10, 3)
# Sort by magnitude
perm = np.argsort(np.sum(covar_learned[0], axis=0))
def permute_array(A):
return A[np.ix_(perm, perm)]
show_all_alphabets(perm)
covar_baseline = dictmap(permute_array, covar_baseline)
covar_learned = dictmap(permute_array, covar_learned)
all_baseline = np.concatenate([covar_baseline[i] for i in range(N_layers)], axis=0)
all_learned = np.concatenate([covar_learned[i] for i in range(N_layers)], axis=0)
all_img = np.concatenate((all_baseline, all_learned), axis=1)
all_img = np.minimum(np.maximum(all_img, 0.0), 1)
fig = plt.figure(0)
fig.clf()
fig.set_size_inches((6,8))
ax = fig.add_subplot(111)
ax.imshow(all_img, cmap = mpl.cm.binary)
ax.set_title('Original / learned')
ax.set_ylabel('Layer number')
ax.set_xticks([])
ax.set_yticks([])
plt.savefig('learned_covar_permuted.png')
# Plot various covariance matrices.
def boxplot( matrix, cmap, name):
fig = plt.figure(0)
fig.clf()
fig.set_size_inches((3,3))
ax = fig.add_subplot(111)
ax.matshow(matrix, cmap=cmap)
plt.xticks(np.array([]))
plt.yticks(np.array([]))
plt.savefig(name, bbox_inches='tight')
boxplot(covar_learned[0], mpl.cm.binary, 'covar_learned_toplayer.pdf')
boxplot(np.eye(covar_learned[0].shape[0]), mpl.cm.binary, 'covar_eye.pdf')
boxplot(np.ones(covar_learned[0].shape), mpl.cm.hot, 'covar_full.pdf')
def plot():
from hypergrad.omniglot import show_all_alphabets
import matplotlib.pyplot as plt
import matplotlib as mpl
#from spectral_clustering.spclust import find_blockifying_perm
with open('results.pkl') as f:
results, all_transforms = pickle.load(f)
fig = plt.figure(0)
fig.set_size_inches((6, 4))
ax = fig.add_subplot(111)
ax.set_title('Performance vs hyper step')
for k, v in results.iteritems():
ax.plot(v, 'o-', label=k)
ax.set_xlabel('Hyper iteration')
ax.set_ylabel('Negative log prob')
ax.legend(loc=1, frameon=False)
plt.savefig('performance.png')
# Plotting learned transforms
T_baseline = make_transform(N_scripts, script_corr_init).as_dict()
print all_transforms[-1][0]
T_learned = {i: all_transforms[-1][i] for i in T_baseline.keys()}
covar_baseline = dictmap(T_to_covar, T_baseline)
covar_learned = dictmap(T_to_covar, T_learned)
# covar_baseline = dictmap(covar_to_corr, covar_baseline)
# covar_learned = dictmap(covar_to_corr, covar_learned)
covar_baseline = dictmap(np.abs, covar_baseline)
covar_learned = dictmap(np.abs, covar_learned)
# # Blockify:
# npr.seed(1)
# perm = find_blockifying_perm(covar_learned[0], 10, 3)
# Sort by magnitude
perm = np.argsort(np.sum(covar_learned[0], axis=0))
def permute_array(A):
return A[np.ix_(perm, perm)]
show_all_alphabets(perm)
covar_baseline = dictmap(permute_array, covar_baseline)
covar_learned = dictmap(permute_array, covar_learned)
all_baseline = np.concatenate([covar_baseline[i] for i in range(N_layers)],
axis=0)
all_learned = np.concatenate([covar_learned[i] for i in range(N_layers)],
axis=0)
all_img = np.concatenate((all_baseline, all_learned), axis=1)
all_img = np.minimum(np.maximum(all_img, 0.0), 1)
fig = plt.figure(0)
fig.clf()
fig.set_size_inches((6, 8))
ax = fig.add_subplot(111)
ax.imshow(all_img, cmap=mpl.cm.binary)
ax.set_title('Original / learned')
ax.set_ylabel('Layer number')
ax.set_xticks([])
ax.set_yticks([])
plt.savefig('learned_covar_permuted.png')
# Plot various covariance matrices.
def boxplot(matrix, cmap, name):
fig = plt.figure(0)
fig.clf()
fig.set_size_inches((3, 3))
ax = fig.add_subplot(111)
ax.matshow(matrix, cmap=cmap)
plt.xticks(np.array([]))
plt.yticks(np.array([]))
plt.savefig(name, bbox_inches='tight')
boxplot(covar_learned[0], mpl.cm.binary, 'covar_learned_toplayer.pdf')
boxplot(np.eye(covar_learned[0].shape[0]), mpl.cm.binary, 'covar_eye.pdf')
boxplot(np.ones(covar_learned[0].shape), mpl.cm.hot, 'covar_full.pdf')