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From Alberto León <leontis...@gmail.com>
Subject Re: Lucene.net vs Lucene with IKVM
Date Thu, 05 Feb 2015 17:30:17 GMT
Perhaps you should to talk with Sebastien Ros who is hired by Microsoft to
do Orchard CMS

As I remember Orchard CMS uses Lucene .Net

The current asp.net blogs are running on top of Orchard CMS



2015-02-05 18:23 GMT+01:00 Bogdan Litescu <bogdan.litescu@avatar-soft.ro>:

> Microsoft has own search engines to sell.
>
> We have a search engine built on top of Lucene for DNN. DNN is most popular
> open source .NET CMS. It was actually a project started by Microsoft and
> donated to the community more than 10 years ago. Same thing, Microsoft
> didn't really invest anything in DNN since then. They have Sharepoint to
> push to their clients.
>
>
> On Fri, Feb 6, 2015 at 1:14 AM, Itamar Syn-Hershko <itamar@code972.com>
> wrote:
>
> > I'm already in contact with them. Not as easy as you'd think...
> >
> > --
> >
> > Itamar Syn-Hershko
> > http://code972.com | @synhershko <https://twitter.com/synhershko>
> > Freelance Developer & Consultant
> > Lucene.NET committer and PMC member
> >
> > On Thu, Feb 5, 2015 at 7:09 PM, Frank Yu <frank.yu@farpoint.com> wrote:
> >
> > > I am sure that Microsoft would like to see Lucene.NET version running.
> > > Maybe they can sponsor the effort. Just a thought.
> > >
> > > Thanks,
> > >
> > > Frank Yu
> > >
> > > -----Original Message-----
> > > From: Elad Margalit [mailto:eladmarg@gmail.com]
> > > Sent: Thursday, February 05, 2015 6:34 AM
> > > To: dev@lucenenet.apache.org
> > > Cc: user@lucenenet.apache.org
> > > Subject: Re: Lucene.net vs Lucene with IKVM
> > >
> > > Totally Agree with Syn-Hershko,
> > >
> > > Currently, I'm using the ikvm ported version, i can tell for sure,
> there
> > > is at least 20% penalty in performance.
> > >
> > > when you're using the ivkm version, the JIT avoid many optimizations,
> in
> > > the future, we'll be able to do much more optimizations - async/await,
> > SIMD
> > > instructions when RyuJIT is out in few month, bcl collections,
> stackalloc
> > > for small inline arrays and many other stuff.
> > > we'll also be able to monitor the critical performance paths in tools
> > such
> > > as ants profiler or dotTrace, and make lucene even more faster.
> > >
> > > i have no doubt after the porting will be done, it will be about 15-20%
> > > faster than the native java version.
> > >
> > > its a main goal for all of us to contribute to this port
> > >
> > > Thank you all guys
> > >
> > > Cheers,
> > > E
> > >
> > >
> > > On Thu, Feb 5, 2015 at 2:47 PM, Itamar Syn-Hershko <itamar@code972.com
> >
> > > wrote:
> > >
> > > > It robs us of many optimization opportunities on the CLR. Java Lucene
> > > > compiled using IKVM will not perform as well as a native port. Think
> > > > async/await, BCL data structures, different GC considerations (LOH
> for
> > > > example), etc. There's also the issue of supporting PCL, Mono, Mobile
> > > > and Azure natively. Just to name a few.
> > > >
> > > > I've had a chat with the lead developer of IKVM and promised to run
> an
> > > > IKVM version head to head with the native port once we are done.
> > > >
> > > > --
> > > >
> > > > Itamar Syn-Hershko
> > > > http://code972.com | @synhershko <https://twitter.com/synhershko>
> > > > Freelance Developer & Consultant Lucene.NET committer and PMC member
> > > >
> > > > On Thu, Feb 5, 2015 at 2:43 PM, Omri Suissa <
> omri.suissa@diffdoof.com>
> > > > wrote:
> > > >
> > > > > Hi,
> > > > >
> > > > > It looks like it takes a lot of time to manually port Lucene to
> .net
> > > > (still
> > > > > in version 3), why not using ikvm to port (at least as a base line
> > > > > and improve from there)?
> > > > >
> > > > >
> > > > > What are the disadvantages of ikvm in this case?
> > > > >
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Omri
> > > > >
> > > >
> > >
> > >
> > >
> >
>
>
>
> --
>
>
> <http://www.dnnsharp.com/>
> Bogdan Litescu
> www.dnnsharp.com
> www.facebook.com/DnnSharp
>



-- 
http://es.linkedin.com/in/albertoleontiscar/en
https://twitter.com/AlbertCSharpMan
http://stackoverflow.com/users/690958/alberto-leon

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