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Comprehensive curriculum covering profiling, cache optimization, lock-free programming, memory optimization, and compiler optimization techniques. Learn to measure, analyze, and optimize code performance.
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Benchmark Programs Using time, perf stat, and hyperfine
C performance optimization tutorial
Optimization is for engineers who already ship C or systems code and need it faster without cargo-cult flags. You start with measurement: timers, profilers, and flame-graph style thinking. Cache optimization shows row-major vs column-major costs, false sharing, and layout. Memory optimization covers pools, arenas, and fragmentation. Lock-free work introduces atomics carefully. Compiler optimization tasks connect flags, PGO, LTO, and hints to real speedups.
The keyword intent is practical: "C performance optimization," "reduce cache misses," "lock free queue tutorial." We refuse fake microbenchmarks that ignore the measurement method. You will leave knowing how to prove a change helped.
Language Foundations and CPU Architecture make this track land harder. Pair tasks with a real codebase at work when you can. Speed without measurement is theater; this track is the antidote.
You can't optimize what you can't measure. Learn to use perf, flamegraphs, valgrind, CPU performance counters, and build proper benchmarking frameworks.
The single biggest source of real-world performance gains. Learn cache-friendly algorithms, data structures, and access patterns.
Concurrency without locks. Learn atomic operations, memory ordering, lock-free data structures, and wait-free algorithms.
Allocators, fragmentation, and working set size. Learn to profile memory usage, implement custom allocators, and optimize memory layouts.
Understanding what your compiler does for you - and when it doesn't. Learn compiler flags, PGO, LTO, and how to guide the optimizer.
Difficulty Progression