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#matrix-multiplication
1 articles
01
2026-08-05
·
Numerical Computing
·
★ MEMBER
·
8 min read
The Cost of Matrix Multiplication — Where Almost All of AI's Compute Goes
Why GEMM is everything: the anatomy of O(n³), memory bandwidth and arithmetic intensity, what actually makes a GPU fast, and the intuition behind tiling — ending with you able to estimate a model's training and inference FLOPs yourself.