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Profiling & Measurement — Performance & Optimization — LowLevelCraft

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Performance & Optimization
Profiling & Measurement

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Profiling & Measurement

You can't optimize what you can't measure. Learn to use perf, flamegraphs, valgrind, CPU performance counters, and build proper benchmarking frameworks.

~360 Minutes 8 Challenges

how to profile C program performance

About this subtrack

Profiling and Measurement teaches timers, counters, and flame-graph thinking before you "optimize" anything.

Tasks (8)

Benchmark Programs Using time, perf stat, and hyperfine

Generate Flamegraph Using perf record and Flamegraph.pl

Profile with Valgrind Callgrind and View in KCachegrind

Understand CPU Performance Counters: Cycles, Cache Misses, Branch Mispredictions

Implement High-Resolution Timer Using clock_gettime

Write Microbenchmark Framework with Warmup and Statistics

Identify and Avoid Common Benchmarking Pitfalls

Use Intel VTune and AMD uProf for Advanced Analysis