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The compiler optimization level can now be set per-module using the experimental macro
Base.Experimental.@optlevel n. For code that is not performance-critical, setting this to 0 or 1 can provide significant latency improvementsSize: a a a
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Base.Experimental.@optlevel n. For code that is not performance-critical, setting this to 0 or 1 can provide significant latency improvementsАО
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Base.Experimental.@optlevel n. For code that is not performance-critical, setting this to 0 or 1 can provide significant latency improvementsVG
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df = DataFrame(a=rand(1:3, 1000), b=randn(1000))
sum.(x -> x.b, grouped(x -> x.a, Tables.namedtupleiterator(df)))
sum.(x -> x.b, grouped(x -> x.a, (x for x in Tables.namedtupleiterator(df) if x.b > 0)))
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using SplitApplyCombine
join.(invert([[1, 2, 3], [4, 5, 6]]))
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[[1, 2, 3], [4, 5, 6]] |> invert .|> join
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