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x.comRobert YoussefSun, Jun 7, 2026, 7:26 AM PDT
score 15.3

Memory bandwidth bottleneck limits AI chip speedup gains

Original: @gokulr @saranormous @eladgil 20x speedup demands wafer-scale memory bandwidth, the off-chip transfer still dominates latency, so without integrated sram the gain caps

Source: x.com

Writing ELI5 summary…