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optimize roundUpToPowerOfTwo #6067

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merged 1 commit into from Feb 17, 2020
Merged

optimize roundUpToPowerOfTwo #6067

merged 1 commit into from Feb 17, 2020

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ahorek
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@ahorek ahorek commented Feb 15, 2020

fewer lines of code + a little bit faster

@headius
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@headius headius commented Feb 17, 2020

The Java version of numberOfLeadingZeros has a similar implementation, but I suspect it's faster because it's also an "intrinsic" on Hotspot (meaning it will use whatever is optimal on each platform.

I'm 👍 on this.

@headius headius added this to the JRuby 9.2.10.0 milestone Feb 17, 2020
@headius headius merged commit 7d6a336 into jruby:master Feb 17, 2020
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@headius headius commented Feb 17, 2020

Just under the wire for 9.2.10!

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2 participants