Slower DNS name decompression

https://dotat.at/@/2022-12-12-dirty-decompress.html

In a previous entry, I wrote about making DNS name decompression faster by moving work left on this diagram so that we do less of it:

    names < pointers < labels < bytes

Last week I had a bright idea about that leftmost step, moving per-pointer work to per-name, using some dirty tricks. Sadly the experiment was not successful, because it also increased the per-label work. Nevertheless I think it's interesting enough to be worth writing about.

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