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Packaging Limits, Domestic Silicon, and the Fracturing GPU Monoculture

The assumption that AI accelerator performance scales reliably through chiplet aggregation and that Nvidia GPUs are the only viable compute substrate is being tested simultaneously from multiple directions — manufacturing yield limits above and alternative architectures below.

3 signals tracked

  1. Rubin Ultra cancelled, Huawei proves viable, Etched contracts $1B

  2. Google's TPU bifurcation and TSMC's CoWoS dominance reframe chip competition

  3. Google's inference TPU, Anthropic's geographic expansion, and TSMC's revenue mix all converge