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Enable LTO#1627

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bbannier wants to merge 5 commits intomainfrom
topic/bbannier/rt-lto
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Enable LTO#1627
bbannier wants to merge 5 commits intomainfrom
topic/bbannier/rt-lto

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@bbannier
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@bbannier bbannier commented Dec 22, 2023

For a large internal parser the changes in this PR lead to speedups of up to 8-10% when interfaced with Zeek. I am not 100% certain that this is not due to the -flto flags on our object libraries leaking into the zeek binary and making things the parsers interact with faster though.

In general such LTO builds seem to take (much) longer to link.

@bbannier bbannier self-assigned this Dec 22, 2023
@sethhall
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Have you tried parallelizing the linking (to make it finish faster)?

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