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From "Mikhail Fursov" <mike.fur...@gmail.com>
Subject Re: [drlvm][jit][opt] HARMONY-3243 It's possible to fill array with constant much faster
Date Sat, 17 Mar 2007 14:58:37 GMT
On 17 Mar 2007 12:46:38 +0300, Egor Pasko <egor.pasko@gmail.com> wrote:
>
> On the 0x29B day of Apache Harmony Mikhail Fursov wrote:
> > Egor,
> >
> > On 16 Mar 2007 20:02:15 +0300, Egor Pasko <egor.pasko@gmail.com> wrote:
> > >
> > > I would love to implement versioning
> >
> >
> > Since we come into agreement about arrays fill optimizations, I want to
> ask
> > you about versioning.
> > One of my student asked me if it worth to start working on this
> optimization
> > (he wants to join it with value profiler input).
> >
> > Do you have any plans to implement it by yourself in the nearest month
> or
> > two?
>
> cool, I am starting to work on it
>
> Mikhail, you probably have some ideas/expectations on
> versioning+vaueProfiler?
>
> Is it that we want to make a version of a loop according to the
> target class prediction (from value profiler)?


The idea is to use aggresive specialization for variables to simplify (or to
reduce strength) of operations inside of a loop.





-- 
Mikhail Fursov

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