Profiling in PyTorch (Part 1): A Beginner's Guide to torch.profiler

# What You Need to Know PyTorch released a new tool that helps people figure out which parts of their AI models are running slowly or using too much computer power—think of it like a fitness tracker for your AI, showing you exactly where the bottlenecks are. This matters because it lets anyone building AI systems spend their time optimizing the parts that actually matter, rather than guessing. The guide helps beginners get started using this tool without needing deep technical knowledge.