Model From Scratch Pdf New! - Build A Large Language

# Evaluate the model def evaluate(model, device, loader, criterion): model.eval() total_loss = 0 with torch.no_grad(): for batch in loader: input_seq = batch['input'].to(device) output_seq = batch['output'].to(device) output = model(input_seq) loss = criterion(output, output_seq) total_loss += loss.item() return total_loss / len(loader)

Contains all the PyTorch code and notebooks for every chapter, from tokenization to fine-tuning. build a large language model from scratch pdf