Re: Very big performance problem with Long

Sure! Can you submit that as a patch? I know you just pasted it here, but we need to be sure to correctly manage copyright, so as to not just take sources from anywhere - we might end up accidentally copy code from the JRE itself, or some other source which cannot be put into an Apache v2 project like GWT.

On Thursday, October 26, 2017 at 7:24:32 AM UTC-5, Kirill Prazdnikov wrote:

Hi,
the problem is that Long.rotateLeft is more then 10x times slower then its copy paste as

  private long rotateLeft(long w, int r) {
    return (w << r) | (w >>> -r);
  }

can this be fixed ?

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