Quiz · 5 questions
🔢 Matrices — Where Tiling Earns Its Keep
Coalesced access, reduction, naive vs tiled GEMM, the matrix_ops CLI
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Quiz
01What is tiling in GPU computing?
Hint
It's about reuse, not just chopping work up.
02What is a reduction operation?
Hint
Think softmax / LayerNorm / loss.
03What are bank conflicts in shared memory?
Hint
Why does padding sometimes speed up shared-memory kernels?
04How do you convert
(row, col) to a flat index in a row-major matrix?Hint
ld is the stride between rows.
05How much faster is tiled GEMM vs naive GEMM in this track's RTX 4090 demo?
Hint
Look at the table in the lesson — naive vs tiled both in TFLOP/s.
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