• rorschach200@alien.topB
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      1 year ago
      1. The “gain” is largely a weighted average over all apps, not a max realizing in couple of outliers. It’s the bulk that determines the economics of the question, not singular exceptions.
      2. The current status is heavily dominated by the historical state of affairs, as not enough time has passed to do much yet. Complex heterogenous cache hierarchies that generalize poorly is a very recent thing in CPUs, in GPUs it was the case for decades now, and in GPUs that is not the only source of large sensitivity to tuning.