Scaling systolic array diagrams from 8x8 to 64x64: 4096 PE matrix multiply visualized
satnam6502 · x · 2026-11-07
satnam6502 shared a thread of systolic array architecture diagrams scaling step by step from 8x8 up to 64x64—4096 processing elements in a single matrix-multiply array.
- Each diagram details the PE grid interconnect topology, the tiling and pipeline delays of input matrices A and B, and how data propagates through the array.
- These visuals illustrate how parallel matrix multiplication is orchestrated in hardware, the classic mental model for understanding GEMM acceleration inside GPUs and NPUs.
- The progression from a small 8x8 sketch to a screen-filling 64x64 diagram is striking in itself.
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