From the paper: "For datacenter applications, BOLT achieves up to 7.0% performance speedups on top of profile-guided function reordering and LTO." This is use

From the paper: "For datacenter applications, BOLT achieves up to 7.0% performance speedups on top of profile-guided function reordering and LTO." This is used for large binaries, like hhvm. There's a lot more details here: https://research.fb.com/publications/bolt-a-practical-binary-optimizer-for-data-centers-and-beyond/ https://research.fb.com/publications/bolt-a-practical-binary...