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Level 21
· ◆◆◆ · ~12 min
Vectorising, and When Not To
Vectorising, and When Not To
"What a loop costs versus what a matrix operation costs — and the cases where vectorising makes things worse."
interpreter overhead vs SIMDthe BLAS levelsmemory-bound vs compute-boundwhen the loop is right
A short lesson, then a quiz. ❤️×3 — a wrong answer costs a heart; finish with at least one left and the level is yours. Lose all three and you'll have to try again. Replay any time — XP and cleared levels are never lost.