gperftools/gperftools

A microbenchmark support library

EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.

pprof is a tool for visualization and analysis of profiling data

mimalloc is a compact general purpose allocator with excellent performance.

Abseil Common Libraries (C++)

An open-source C++ library developed and used at Facebook.

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more