pytorch day 3 grad accumulation , activation funcs VEED

Data wala Aditya on Instagram: "GRADIENT ACCUMULATION: The Secret Behind Training Gemini 3, GPT-5.2, and Other Large Language Models Ever wondered how massive AI models get trained without crashing your GPU? Here's the clever trick: Gradient Accumulation THE PROBLEM: You have a batch of 64 images to train your neural network. You run the forward pass, and BOOM - Out of Memory error. Your GPU just can't handle it. THE SOLUTION: Instead of processing all 64 images at once: Divide your batch into 8