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Phase 0 · Mental Models
Go Brrrr
The three-bottleneck worldview: compute, memory, overhead.
0/3 · 100 XP
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Tasks
Horace He's compute/memory/overhead taxonomy. Every perf conversation in this field silently assumes this post.
SMs, warps, occupancy, HBM, TMA, NVLink — get the vocabulary loaded before it's needed.
Skip if matmul shapes and FLOP counting are second nature.