Tag: perf
4 posts
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Profiling a C++ Game Server: perf, gprof, Valgrind, VTune, Tracy and Flame Graphs
When your multithreaded C++ game server burns 60% CPU and you cannot find the bottleneck: perf, gprof, Valgrind, VTune, Tracy, flame graphs, cache misses.
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Profiling C++ Before Optimizing: perf, gprof, Flame Graphs and Finding the Real Bottleneck
Measure before you optimize: C++ profiling with Linux perf, gprof, flame graphs, std::chrono, and Valgrind.
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Why Is My C++ Program Slow? Find Bottlenecks with Profiling
The algorithm is right but C++ code is still slow: find hotspots with perf, flame graphs and Visual Studio, then fix copies, allocations and cache misses.
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C++ Performance Optimization Case Study
Speeding up a slow C++ REST endpoint step by step: a baseline harness, perf profiling, a hash index, fewer string copies, reserved buffers, and why parallel JSON is the step to doubt.