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How Your Code Runs: The Journey of a Program Through the CPU
A clear walkthrough of CPU architecture—control unit, ALU, registers, and memory—and how a simple program is compiled, loaded, and executed instruction by instruction.
3 min · 730 words
Gregory Gundersen reconstructs backpropagation from first principles, explaining why the algorithm needs a backward pass to compute neural network gradients efficiently.
6 min · 1,490 words
A practical guide to writing C++ that actually uses the machine well—covering language and hardware basics, common pitfalls, and habits that keep hot paths fast without premature micro-optimization theater.
17 min · 3,904 words