Why it matters

TPUs are alternative to GPUs. Understanding shapes GCP strategy.

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The architecture

MXU: matrix multiply unit.

Pod: 8960 TPUs interconnected.

JAX + PyTorch/XLA support.

TPU v5 platformMXU coresmatrix computeOptical ICITPU pod fabricJAX + XLASDKTPU pods scale to thousands via optical interconnect; used for Gemini training
TPU v5.
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How it works end to end

v5p: performance-oriented, 8960 chip pods.

v5e: cost-efficient, smaller pods.

Software: JAX preferred, PyTorch/XLA support.