Equation 15 · What an AI Accelerator Actually Is: Silicon, Packaging, and the Memory It Can Reach
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Symbol I^*
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superscript
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the arithmetic intensity a workload must exceed before the machine’s peak rate is even theoretically reachable. Below the kernel is memory bound and no amount of additional arithmetic capability changes its runtime. Above it the kernel is compute bound and no amount of additional bandwidth helps.
Sources cited in the article section
- [2] Roofline: An Insightful Visual Performance Model for Floating-Point Programs and Multicore Architectures ↗
- [4] AI and Memory Wall ↗
- [5] FlashAttention: Fast and Memory-Efficient Exact Attention with IO-Awareness ↗
These citations give research context. Read each source to check which claims it supports.
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