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Avoid the use of a local window when splitting #70

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Avoid the use of a local window when splitting #70

wants to merge 1 commit into from

Commits on Sep 24, 2022

  1. Avoid the use of a local window when splitting 

    The splitting code in `bupsplit.c` was written as if it had to handle
the case where bytes were fed one by-one, but it actually gets the whole
data chunk: there's no need to copy to a local window, when we have the
original data available: we can simply use the passed data to fetch the
byte that is leaving the current window.

Additionally, try to use __builtin_ctz for filling in the bits ptr, if
it is available.

Signed-off-by: Zachary Dremann <dremann@gmail.com>
    @Dr-Emann
    Dr-Emann committed Sep 24, 2022
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