Tag: perf
3 posts
-
[2026] C++ Performance Optimization Case Study | 200ms API Latency Cut to 20ms
How we improved a C++ REST API latency by 10×: profiling with perf, algorithm fixes, memory optimizations, and parallel JSON serialization—end to end.
-
[2026] Why Is My C++ Program Slow? Find Bottlenecks with Profiling (perf, VS Profiler)
Beyond Big-O: copying, allocations, cache misses, branch mispredictions, virtual calls. Use perf and Visual Studio to find hotspots, flame graphs, and f...
-
[2026] C++ Profiling | Finding Bottlenecks with perf and gprof When You Don’t Know What’s Slow
Measure before you optimize: C++ profiling with Linux perf, gprof, flame graphs, std::chrono, and Valgrind. Fix bottlenecks with data, not guesses—CPU s...