PERF: speedups#68
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scott-huberty merged 7 commits intomainfrom May 4, 2026
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Further exploit our single-model constraints. Since model-responsibilities will always ones, things like X.T @ ones (weighted sum) can be replaced by a summation across sample dimensions (wayyyyy faster)
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Further exploit our single-model constraints to gain some performance boosts, e.g. get rid of some unnecessary allocations and avoid expensive matmuls when we can.