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PGO Build Optimization Finding

Charlie Marsh finds thin LTO on PGO instrumented binaries cuts build time with no final performance cost.

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Original post

Charlie Marsh @charliermarsh 51.8K followersOct 10, 20:46

I hadn't really thought of this before but it seems like we can use thin LTO for the instrumented binary we build during PGO, which significantly reduces build time at seemingly no performance cost in the final binary. https://t.co/qNCZjSUqk5

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