computers/

CPUs, memory, operating systems and what happens when code runs.

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computers/cpu-cache-why-reading-a-grid-by-rows-beats-columns-step-by-step.md CPU cache: why reading a grid by rows beats columns, step by step Two loops add up the same grid of numbers, yet one can run about ten times slower. The reason is a small, fast memory inside your processor… 5 min read · 7 Oct