Facebook's BOLT Nearing Mainline LLVM For Optimizing Binaries
https://www.phoronix.com/scan.php?page=news_item&px=BOLT-Nearing-LLVM-Monorepo

现在转个文都提心吊胆的

重点：
BOLT is designed to work with large and complex applications/services. BOLT is already in use for large, production workloads within Facebook for squeezing out greater performance. In a 2019 paper they reported a 7% performance speed-up for their data-center applications on top of the gains already achieved by feedback-directed optimizations (FDO) and LTO. In some cases can even speed up binaries by ~20% or up to 50% if not using FDO/LTO.
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