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Use NonZeroU64 to optimize encoded_len_varint #1192

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Use NonZeroU64 to optimize encoded_len_varint #1192

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Commits on Nov 23, 2024

  1. perf: NonZeroU64 to optimize encoded_len_varint 

    The leading zeros count may perform better on many architectures
when the zero case is excluded.
Also use ilog2 as shorthand for the leading zeros trick because
it makes more clearly what we mean to get, and should be ideally
optimized by the compiler.
    @mzabaluev
    mzabaluev committed Nov 23, 2024
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