The codebase heavily uses PyTorch XLA libraries (torch_xla.*), which are specific to TPU. Key TPU-specific elements include XLA device initialization, SPMD exec

The codebase heavily uses PyTorch XLA libraries (torch_xla.*), which are specific to TPU. Key TPU-specific elements include XLA device initialization, SPMD execution mode, TPU-specific data loading, and mesh-based model partitioning. [0] https://github.com/felafax/felafax/blob/main/llama3_pytorch_xla/llama3_70b_train.ipynb https://github.com/felafax/felafax/blob/main/llama3_pytorch_... [1] https://pytorch.org/xla/master/ https://pytorch.org/xla/master/