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From Itamar Syn-Hershko <ita...@code972.com>
Subject Re: Lucene.net vs Lucene with IKVM
Date Sun, 01 Mar 2015 09:44:13 GMT
Unfortunately nobody stepped up yet. I will be launching a crowd-funding
campaign in the next few days.

--

Itamar Syn-Hershko
http://code972.com | @synhershko <https://twitter.com/synhershko>
Freelance Developer & Consultant
Lucene.NET committer and PMC member

On Fri, Feb 27, 2015 at 5:04 PM, James Lewis <witchlightning@gmail.com>
wrote:

> Infor might step up. Their Infor Public Sector product uses Lucene.
>
> Cheers,
> James
> On Feb 12, 2015 4:58 AM, "Itamar Syn-Hershko" <itamar@code972.com> wrote:
>
> > Yes, they are aware of this. Thanks.
> >
> > --
> >
> > Itamar Syn-Hershko
> > http://code972.com | @synhershko <https://twitter.com/synhershko>
> > Freelance Developer & Consultant
> > Lucene.NET committer and PMC member
> >
> > On Thu, Feb 12, 2015 at 2:32 AM, James Lewis <witchlightning@gmail.com>
> > wrote:
> >
> > > Sitecore (https://www.sitecore.net/) might help. They sell a .NET CMS
> > that
> > > uses Lucene.
> > >
> > > Cheers,
> > > James
> > >
> > > On Thu, Feb 5, 2015 at 9:53 AM, Alberto León <leontiscar@gmail.com>
> > wrote:
> > >
> > > > Wikipedia in the past used Lucene.Net in Linux + Mono
> > > >
> > > > The Mono team are today in Xamarin.
> > > >
> > > > To talk to them could be a good option .
> > > >
> > > > Should I talk with the Xamarin's co-founder? I frequently speak with
> > him.
> > > >
> > > >
> > > >
> > > > 2015-02-05 18:37 GMT+01:00 Itamar Syn-Hershko <itamar@code972.com>:
> > > >
> > > > > Microsoft are actually using Lucene.NET in at least 3 projects, one
> > of
> > > > them
> > > > > contributed 2 people to help us get the tests green.
> > > > >
> > > > > That's all good input, thanks - but we did hijack a different
> thread
> > :)
> > > > >
> > > > > Anyway, looks like I'll be headed the crowd-funding route, but its
> > > going
> > > > to
> > > > > take a while to figure out. If any big sponsors step up before
> then -
> > > > > that'll be great.
> > > > >
> > > > > --
> > > > >
> > > > > 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 7:30 PM, Alberto León <leontiscar@gmail.com
> >
> > > > wrote:
> > > > >
> > > > > > 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
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > http://es.linkedin.com/in/albertoleontiscar/en
> > > > https://twitter.com/AlbertCSharpMan
> > > > http://stackoverflow.com/users/690958/alberto-leon
> > > >
> > >
> >
>

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