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fix to issue #23 (CUDA out of memory at 1000th epoch) as suggested by… #74

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fix to issue #23 (CUDA out of memory at 1000th epoch) as suggested by… #74

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177 changes: 89 additions & 88 deletions UGATIT.py
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Original file line number Diff line number Diff line change
Expand Up @@ -242,94 +242,95 @@ def train(self):
self.genB2A.apply(self.Rho_clipper)

print("[%5d/%5d] time: %4.4f d_loss: %.8f, g_loss: %.8f" % (step, self.iteration, time.time() - start_time, Discriminator_loss, Generator_loss))
if step % self.print_freq == 0:
train_sample_num = 5
test_sample_num = 5
A2B = np.zeros((self.img_size * 7, 0, 3))
B2A = np.zeros((self.img_size * 7, 0, 3))

self.genA2B.eval(), self.genB2A.eval(), self.disGA.eval(), self.disGB.eval(), self.disLA.eval(), self.disLB.eval()
for _ in range(train_sample_num):
try:
real_A, _ = trainA_iter.next()
except:
trainA_iter = iter(self.trainA_loader)
real_A, _ = trainA_iter.next()

try:
real_B, _ = trainB_iter.next()
except:
trainB_iter = iter(self.trainB_loader)
real_B, _ = trainB_iter.next()
real_A, real_B = real_A.to(self.device), real_B.to(self.device)

fake_A2B, _, fake_A2B_heatmap = self.genA2B(real_A)
fake_B2A, _, fake_B2A_heatmap = self.genB2A(real_B)

fake_A2B2A, _, fake_A2B2A_heatmap = self.genB2A(fake_A2B)
fake_B2A2B, _, fake_B2A2B_heatmap = self.genA2B(fake_B2A)

fake_A2A, _, fake_A2A_heatmap = self.genB2A(real_A)
fake_B2B, _, fake_B2B_heatmap = self.genA2B(real_B)

A2B = np.concatenate((A2B, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_A[0]))),
cam(tensor2numpy(fake_A2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2A[0]))),
cam(tensor2numpy(fake_A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B[0]))),
cam(tensor2numpy(fake_A2B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B2A[0])))), 0)), 1)

B2A = np.concatenate((B2A, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_B[0]))),
cam(tensor2numpy(fake_B2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2B[0]))),
cam(tensor2numpy(fake_B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A[0]))),
cam(tensor2numpy(fake_B2A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A2B[0])))), 0)), 1)

for _ in range(test_sample_num):
try:
real_A, _ = testA_iter.next()
except:
testA_iter = iter(self.testA_loader)
real_A, _ = testA_iter.next()

try:
real_B, _ = testB_iter.next()
except:
testB_iter = iter(self.testB_loader)
real_B, _ = testB_iter.next()
real_A, real_B = real_A.to(self.device), real_B.to(self.device)

fake_A2B, _, fake_A2B_heatmap = self.genA2B(real_A)
fake_B2A, _, fake_B2A_heatmap = self.genB2A(real_B)

fake_A2B2A, _, fake_A2B2A_heatmap = self.genB2A(fake_A2B)
fake_B2A2B, _, fake_B2A2B_heatmap = self.genA2B(fake_B2A)

fake_A2A, _, fake_A2A_heatmap = self.genB2A(real_A)
fake_B2B, _, fake_B2B_heatmap = self.genA2B(real_B)

A2B = np.concatenate((A2B, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_A[0]))),
cam(tensor2numpy(fake_A2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2A[0]))),
cam(tensor2numpy(fake_A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B[0]))),
cam(tensor2numpy(fake_A2B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B2A[0])))), 0)), 1)

B2A = np.concatenate((B2A, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_B[0]))),
cam(tensor2numpy(fake_B2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2B[0]))),
cam(tensor2numpy(fake_B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A[0]))),
cam(tensor2numpy(fake_B2A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A2B[0])))), 0)), 1)

cv2.imwrite(os.path.join(self.result_dir, self.dataset, 'img', 'A2B_%07d.png' % step), A2B * 255.0)
cv2.imwrite(os.path.join(self.result_dir, self.dataset, 'img', 'B2A_%07d.png' % step), B2A * 255.0)
self.genA2B.train(), self.genB2A.train(), self.disGA.train(), self.disGB.train(), self.disLA.train(), self.disLB.train()
with torch.no_grad():
if step % self.print_freq == 0:
train_sample_num = 5
test_sample_num = 5
A2B = np.zeros((self.img_size * 7, 0, 3))
B2A = np.zeros((self.img_size * 7, 0, 3))

self.genA2B.eval(), self.genB2A.eval(), self.disGA.eval(), self.disGB.eval(), self.disLA.eval(), self.disLB.eval()
for _ in range(train_sample_num):
try:
real_A, _ = trainA_iter.next()
except:
trainA_iter = iter(self.trainA_loader)
real_A, _ = trainA_iter.next()

try:
real_B, _ = trainB_iter.next()
except:
trainB_iter = iter(self.trainB_loader)
real_B, _ = trainB_iter.next()
real_A, real_B = real_A.to(self.device), real_B.to(self.device)

fake_A2B, _, fake_A2B_heatmap = self.genA2B(real_A)
fake_B2A, _, fake_B2A_heatmap = self.genB2A(real_B)

fake_A2B2A, _, fake_A2B2A_heatmap = self.genB2A(fake_A2B)
fake_B2A2B, _, fake_B2A2B_heatmap = self.genA2B(fake_B2A)

fake_A2A, _, fake_A2A_heatmap = self.genB2A(real_A)
fake_B2B, _, fake_B2B_heatmap = self.genA2B(real_B)

A2B = np.concatenate((A2B, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_A[0]))),
cam(tensor2numpy(fake_A2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2A[0]))),
cam(tensor2numpy(fake_A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B[0]))),
cam(tensor2numpy(fake_A2B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B2A[0])))), 0)), 1)

B2A = np.concatenate((B2A, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_B[0]))),
cam(tensor2numpy(fake_B2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2B[0]))),
cam(tensor2numpy(fake_B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A[0]))),
cam(tensor2numpy(fake_B2A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A2B[0])))), 0)), 1)

for _ in range(test_sample_num):
try:
real_A, _ = testA_iter.next()
except:
testA_iter = iter(self.testA_loader)
real_A, _ = testA_iter.next()

try:
real_B, _ = testB_iter.next()
except:
testB_iter = iter(self.testB_loader)
real_B, _ = testB_iter.next()
real_A, real_B = real_A.to(self.device), real_B.to(self.device)

fake_A2B, _, fake_A2B_heatmap = self.genA2B(real_A)
fake_B2A, _, fake_B2A_heatmap = self.genB2A(real_B)

fake_A2B2A, _, fake_A2B2A_heatmap = self.genB2A(fake_A2B)
fake_B2A2B, _, fake_B2A2B_heatmap = self.genA2B(fake_B2A)

fake_A2A, _, fake_A2A_heatmap = self.genB2A(real_A)
fake_B2B, _, fake_B2B_heatmap = self.genA2B(real_B)

A2B = np.concatenate((A2B, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_A[0]))),
cam(tensor2numpy(fake_A2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2A[0]))),
cam(tensor2numpy(fake_A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B[0]))),
cam(tensor2numpy(fake_A2B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_A2B2A[0])))), 0)), 1)

B2A = np.concatenate((B2A, np.concatenate((RGB2BGR(tensor2numpy(denorm(real_B[0]))),
cam(tensor2numpy(fake_B2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2B[0]))),
cam(tensor2numpy(fake_B2A_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A[0]))),
cam(tensor2numpy(fake_B2A2B_heatmap[0]), self.img_size),
RGB2BGR(tensor2numpy(denorm(fake_B2A2B[0])))), 0)), 1)

cv2.imwrite(os.path.join(self.result_dir, self.dataset, 'img', 'A2B_%07d.png' % step), A2B * 255.0)
cv2.imwrite(os.path.join(self.result_dir, self.dataset, 'img', 'B2A_%07d.png' % step), B2A * 255.0)
self.genA2B.train(), self.genB2A.train(), self.disGA.train(), self.disGB.train(), self.disLA.train(), self.disLB.train()

if step % self.save_freq == 0:
self.save(os.path.join(self.result_dir, self.dataset, 'model'), step)
Expand Down