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Well that's fun... Battlemage's largest die should have almost 30KB/cycle of bandwidth from L2... I guess that's how Intel is planning to address bandwidth requirements on future GPUs.
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For some reference, Ponte Vecchio across 2 stacks and Aldeberan (MI250X) over 2 GCDs both have 8192B/cycle, still <1/3 the bandwidth per cycle.
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