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    Meltdown and Spectre impacts on modern compression codecs

    Hi all – Does anyone know if the Meltdown and Spectre patches slow down compression or decompression in general? I'm not clear on what kinds of operations suffer the most slowdowns. I've heard databases are impacted, and certain kinds of I/O, but I've not dug into the details yet.

    Jyrki – Is brotli slower on patched systems? Is Zstd slower? What about something as basic as zlib/gzip?

    Joe

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    Jyrki Alakuijala (5th April 2018)

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