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Date:   Sun, 19 Mar 2023 16:56:19 -0700
From:   Nathan Chancellor <>
Subject: Slim and optimized LLVM toolchains for building the Linux kernel

Hi everyone,

To make building the Linux kernel with clang/LLVM easier and more
accessible to people (since distributions tend to only package one
version at a time and it may be old or have bugs that have since been
fixed), I have uploaded some slim, profile guided optimized LLVM toolchains
to my section of

The landing page should have all the relevant information but if I need
to clarify or expand on anything, I am more than happy to do so.

Due to benchmarking the compilers against the kernel during PGO, they
can handily beat distribution versions that have not been optimized:

I aim to keep these up to date with the latest stable versions of LLVM
as they are released (so 16.0.0 will be replaced with 16.0.1 when it is
released, etc).


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