: Implementing Byte Pair Encoding (BPE) and data sampling with a sliding window. Coding Attention
[ PE_(pos, 2i) = \sin(pos / 10000^2i/d_model) ] [ PE_(pos, 2i+1) = \cos(pos / 10000^2i/d_model) ] build a large language model %28from scratch%29 pdf
for step in range(max_steps): x, y = next_batch() # x = inputs, y = targets (shifted by 1) logits = model(x) # Forward pass loss = F.cross_entropy(logits.view(-1, logits.size(-1)), y.view(-1)) loss.backward() # Backpropagation optimizer.step() # Update weights optimizer.zero_grad() : Implementing Byte Pair Encoding (BPE) and data