Gentoo LTO Overlay Installation Guide (LTO, -O3, & Graphite)

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In this video I show you how to install the Gentoo LTO overlay https://github.com/InBetweenNames/gentooLTO

Commands used in this video

sudo layman -a mv sudo layman -a lto-overlay

add the following strings to your package.accept_keyworks sys-config/ltoize ~amd64 app-portage/portage-bashrc-mv ~amd64 app-shells/runtitle ~amd64

Its also a good idea to upgrade GCC before building LTO

sudo emerge sys-config/ltoize

emerge -e @world

Links to learn more Graphite https://polly.llvm.org/

O3 https://wiki.gentoo.org/wiki/GCC_optimization

LTO https://llvm.org/docs/LinkTimeOptimization.html

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