'Transformers are samplers, not runtimes' — why residual streams can't host structured computation

gerardsans · x · 2026-09-03

In a debate with @peterjliu, @gerardsans argues that Transformers are samplers, not runtimes: structured computation belongs in software, and the residual stream—nested or not—is not the place to instantiate a runtime. A pointed technical stance against building complex computational structures inside the model itself.

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