Update train.py
Browse files
train.py
CHANGED
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@@ -15,23 +15,23 @@ Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))
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])
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training_data = datasets.CIFAR10(
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root='data',
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train=True,
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download=True,
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transform=transform
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)
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test_data = datasets.CIFAR10(
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root='data',
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train=False,
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download=True,
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transform=transform
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)
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batch_size = 128
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train_dataloader = DataLoader(training_data, batch_size=batch_size,shuffle=True)
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test_dataloader = DataLoader(test_data, batch_size=batch_size)
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for X, y in test_dataloader:
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print(f"Shape of X [N,C,H,W]:{X.shape}")
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@@ -45,17 +45,17 @@ print(f"using {device} device")
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class TensorMapperImageClassification(TensorMapper):
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def __init__(
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self,
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image_size=32,
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patch_size=4,
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in_channels=3,
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num_classes=10,
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d_model = 256,
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num_layers=4,
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):
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super().__init__(d_model, num_layers)
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self.patcher = nn.Conv2d(
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in_channels, d_model, kernel_size=patch_size, stride=patch_size
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)
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self.classifier = nn.Linear(d_model, num_classes)
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@@ -66,7 +66,7 @@ class TensorMapperImageClassification(TensorMapper):
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patches = patches.permute(0, 2, 3, 1)
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patches = patches.view(batch_size, -1, num_channels)
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embedding = self.model(patches)
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embedding = embedding.mean(dim=1)
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out = self.classifier(embedding)
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return out
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@@ -74,7 +74,7 @@ model = TensorMapperImageClassification().to(device)
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print(model)
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loss_fn = nn.CrossEntropyLoss()
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optimizer = torch.optim.Adam(model.parameters(),lr=1e-3)
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def train(dataloader, model, loss_fn, optimizer):
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size = len(dataloader.dataset)
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@@ -86,7 +86,7 @@ def train(dataloader, model, loss_fn, optimizer):
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X, y = X.to(device), y.to(device)
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pred = model(X)
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loss = loss_fn(pred,y)
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optimizer.zero_grad()
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loss.backward()
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@@ -101,8 +101,8 @@ def train(dataloader, model, loss_fn, optimizer):
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train_loss /= num_batches
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train_accuracy = 100. * correct.item() / size
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print(f"Train Metric: \n Accuracy: {(100*correct):>0.1f}% \n")
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return train_loss,train_accuracy
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def test(dataloader, model, loss_fn):
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size = len(dataloader.dataset)
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@@ -118,8 +118,8 @@ def test(dataloader, model, loss_fn):
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correct += (pred.argmax(1) == y).type(torch.float).sum().item()
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test_loss /= num_batches
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correct /= size
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print(f"Test Metrics: \n Accuracy: {(100*correct):>0.1f}%, Avg loss: {test_loss:>8f} \n")
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test_accuracy = 100*correct
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return test_loss, test_accuracy
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logname = "/PATH/Tensor_Mapper/Experiments_cifar10/logs_tensormapper/logs_cifar10.csv"
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@@ -144,4 +144,4 @@ print("Done!")
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path = "/PATH/Tensor_Mapper/Experiments_cifar10/weights_tensormapper"
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model_name = "TensorMapperImageClassification_cifar10"
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torch.save(model.state_dict(), f"{path}/{model_name}.pth")
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print(f"Saved Model State to {path}/{model_name}.pth ")
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])
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training_data = datasets.CIFAR10(
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root = 'data',
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train = True,
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download = True,
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transform = transform
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)
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test_data = datasets.CIFAR10(
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root = 'data',
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train = False,
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download = True,
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transform = transform
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)
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batch_size = 128
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train_dataloader = DataLoader(training_data, batch_size = batch_size, shuffle = True)
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test_dataloader = DataLoader(test_data, batch_size = batch_size)
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for X, y in test_dataloader:
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print(f"Shape of X [N,C,H,W]:{X.shape}")
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class TensorMapperImageClassification(TensorMapper):
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def __init__(
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self,
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image_size = 32,
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patch_size = 4,
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in_channels = 3,
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num_classes = 10,
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d_model = 256,
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num_layers = 4,
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):
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super().__init__(d_model, num_layers)
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self.patcher = nn.Conv2d(
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in_channels, d_model, kernel_size = patch_size, stride = patch_size
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)
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self.classifier = nn.Linear(d_model, num_classes)
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patches = patches.permute(0, 2, 3, 1)
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patches = patches.view(batch_size, -1, num_channels)
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embedding = self.model(patches)
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embedding = embedding.mean(dim = 1)
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out = self.classifier(embedding)
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return out
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print(model)
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loss_fn = nn.CrossEntropyLoss()
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optimizer = torch.optim.Adam(model.parameters(), lr = 1e-3)
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def train(dataloader, model, loss_fn, optimizer):
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size = len(dataloader.dataset)
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X, y = X.to(device), y.to(device)
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pred = model(X)
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loss = loss_fn(pred, y)
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optimizer.zero_grad()
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loss.backward()
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train_loss /= num_batches
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train_accuracy = 100. * correct.item() / size
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print(f"Train Metric: \n Accuracy: {(100 * correct):>0.1f}% \n")
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return train_loss, train_accuracy
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def test(dataloader, model, loss_fn):
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size = len(dataloader.dataset)
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correct += (pred.argmax(1) == y).type(torch.float).sum().item()
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test_loss /= num_batches
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correct /= size
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print(f"Test Metrics: \n Accuracy: {(100 * correct):>0.1f}%, Avg loss: {test_loss:>8f} \n")
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test_accuracy = 100 * correct
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return test_loss, test_accuracy
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logname = "/PATH/Tensor_Mapper/Experiments_cifar10/logs_tensormapper/logs_cifar10.csv"
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path = "/PATH/Tensor_Mapper/Experiments_cifar10/weights_tensormapper"
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model_name = "TensorMapperImageClassification_cifar10"
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torch.save(model.state_dict(), f"{path}/{model_name}.pth")
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print(f"Saved Model State to {path}/{model_name}.pth ")
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