usamahz/cpu-performance-engineering is a structured reading list and reference covering low-level optimization on x86 and Arm server hardware. It includes fourteen runnable C benchmarks with committed build lines, raw numbers, and analysis for verifying changes against actual silicon.
It is worth reading if you need to move past high-level profiling and understand how instructions execute, cache geometry, and memory controllers work. It is strictly scoped to hardware and systems code, so skip it if you are looking for language runtime internals or database architectures.
more: https://github.com/usamahz/cpu-performance-engineering
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