Ahhh you are right.
I'm new to JIRA. sorrrrry

Gilles Sadowski <gillese...@gmail.com> 于2020年6月7日周日 下午6:50写道:

> Hi.
>
> 2020-06-07 8:21 UTC+02:00, Xeno Amess <xenoam...@gmail.com>:
> > If you are telling about 144:
> > yes, original codes runs like:
> > f[0] = f0;
> > f[1] = f1;
> > f[2] = f[2-2] = f[0] = f[0]
> > f[3] = f[3-2] = f[1] = f[1]
> > f[4] = f[4-2] = f[2] = f[0]
> > f[5] = f[5-2] = f[3] = f[1]
> >
> > the new codes runs like:
> > f[0] = f0;
> > f[1] = f1;
> > f[2] = 2&1==0 ? f0 : f1 = f0
> > f[3] = 3&1==0 ? f0 : f1 = f1
> > f[4] = 4&1==0 ? f0 : f1 = f0
> > f[5] = 5&1==0 ? f0 : f1 = f1
> >
> > thus it runs faster for around 7% faster on my performance tests.
> >
>
> Wrong thread.
> Please reply on JIRA, where this discussion should be taking place.[1]
>
> Regards,
> Gilles
>
> [1] https://issues.apache.org/jira/browse/MATH-1538
>
> >
> >
> > Gilles Sadowski <gillese...@gmail.com> 于2020年6月7日周日 上午5:53写道:
> >
> >> Hi.
> >>
> >> 2020-06-06 14:21 UTC+02:00, Xeno Amess <xenoam...@gmail.com>:
> >> > Alright, done.
> >> > This pr is now splitted into two prs.
> >> > https://github.com/apache/commons-math/pull/144
> >> > https://github.com/apache/commons-math/pull/143
> >>
> >> I think that there are issues with some of the changes (e.g. where
> >> the previous code used an "index" variable but in the new version
> >> there is a hard-coded number).
> >>
> >> Gilles
> >>
> >> > [...]
> >>
>
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