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Deprecate flipbits! in favor of dot-broadcasting #27067

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merged 4 commits into from
May 14, 2018
Merged

Deprecate flipbits! in favor of dot-broadcasting #27067

merged 4 commits into from
May 14, 2018

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mbauman
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@mbauman mbauman commented May 10, 2018

Seems like we no longer need this function:

julia> B = bitrand(100,1000);

julia> @benchmark flipbits!($B)
BenchmarkTools.Trial:
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     87.996 ns (0.00% GC)
  median time:      88.474 ns (0.00% GC)
  mean time:        88.596 ns (0.00% GC)
  maximum time:     118.378 ns (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     960

julia> @benchmark $B .= .!$B
BenchmarkTools.Trial:
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     88.060 ns (0.00% GC)
  median time:      88.202 ns (0.00% GC)
  mean time:        88.314 ns (0.00% GC)
  maximum time:     137.057 ns (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     960

@mbauman
Deprecate flipbits! in favor of dot-broadcasting
97df0c3 
Seems like we no longer need this function:

```julia
julia> B = bitrand(100,1000);

julia> @benchmark flipbits!($B)
BenchmarkTools.Trial:
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     87.996 ns (0.00% GC)
  median time:      88.474 ns (0.00% GC)
  mean time:        88.596 ns (0.00% GC)
  maximum time:     118.378 ns (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     960

julia> @benchmark $B .= .!$B
BenchmarkTools.Trial:
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     88.060 ns (0.00% GC)
  median time:      88.202 ns (0.00% GC)
  mean time:        88.314 ns (0.00% GC)
  maximum time:     137.057 ns (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     960
```
@mbauman mbauman added deprecation This change introduces or involves a deprecation arrays [a, r, r, a, y, s] labels May 10, 2018
alyst
alyst reviewed May 12, 2018
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test/bitarray.jl Outdated
@@ -779,7 +779,8 @@ timesofar("dequeue")
@testset "flipbits!" begin
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"in-place .!"?

@JeffBezanson
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The ci skip in the last commit is preventing CI from running. Need to squash the commits and remove that tag.

@fredrikekre fredrikekre mentioned this pull request May 13, 2018
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@mbauman
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mbauman commented May 14, 2018

MacOS failure is #26725.

@mbauman mbauman merged commit 12f4ebd into master May 14, 2018
@mbauman mbauman deleted the mb/deprecate-flipbits branch May 14, 2018 18:23
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