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`Partition` is really slow #26

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MasonProtter opened this issue Jan 25, 2024 · 0 comments

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MasonProtter commented Jan 25, 2024 •

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I'm not really sure what it's doing that makes it so slow, but it's real bad:

using Transducers

julia> let v = rand(10000)
           @btime foldl(right, Iterators.partition($v, 100))
           @btime foldxl(right, $v |> Partition(100))
       end;
  63.269 ns (1 allocation: 48 bytes)
  13.608 ms (159299 allocations: 5.47 MiB)

MasonProtter mentioned this issue

making things cleaner, more transparent, more consistent: road to 1.0 #22

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