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<p class="MsoNormal">We’d like to share how Clang could be made up to 15% faster using code layout optimizations implemented in BOLT – our open-source LLVM-based post-link optimizer. These improvements are achieved on top of PGO and LTO. We thought the results
and the practical value will be interesting to the LLVM community. The detailed step-by-step guide of optimizing Clang is available at:<br>
<br>
<a href="https://github.com/facebookincubator/BOLT/blob/master/docs/OptimizingClang.md">https://github.com/facebookincubator/BOLT/blob/master/docs/OptimizingClang.md</a><br>
<br>
While we think that there is room for improvement in LLVM’s code layout algorithm, we strongly believe that, to achieve the maximum benefits for large applications, a post-link optimizer is needed. We would like to know what people think about including BOLT
into LLVM family of tools.<br>
<br>
More details about BOLT are available in our arXiv.org paper at: <a href="https://arxiv.org/pdf/1807.06735.pdf">
https://arxiv.org/pdf/1807.06735.pdf</a><br>
<br>
Maksim & Rafael<o:p></o:p></p>
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