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specialize on mapfoldl(::Type, ...) #39019

Merged
merged 1 commit into from
Dec 30, 2020
Merged

specialize on mapfoldl(::Type, ...) #39019

merged 1 commit into from
Dec 30, 2020

Commits on Dec 28, 2020

  1. specialize on mapfoldl(::Type, ...) 

    Before:
```julia
julia> using BenchmarkTools

julia> b = rand(Bool, 10000);

julia> @Btime mapfoldl(Int, +, b; init=0)
  1.136 ms (9025 allocations: 141.02 KiB)
5057
```

After:
```julia
julia> @Btime mapfoldl(Int, +, b; init=0)
  1.094 μs (1 allocation: 16 bytes)
5057
```
    @simeonschaub
    simeonschaub committed Dec 28, 2020
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