Re: Free Java, the sequel

[Robert Lougher]

IBM have a number of virtual machines.  Their main virtual machines for AIX, 
Windows (IA32 and IA64), OS390, OS/2 and Linux are done in Hursley, UK.  
These were initially based on Sun's classic (i.e. pre-Hotspot) VM, but 
they've been heavily modified to include new GC, memory management, 
synchronisation, new (assembler) interpreters and JITs.  However, they also 
have J9 originally from OTI, which I believe was written from scratch.

Rob.

----Original Message Follows----
From: Jens Lehmann <address@hidden>
To: address@hidden
Subject: Re: Free Java, the sequel
Date: Fri, 05 Mar 2004 10:35:42 +0100

Chris Gray wrote:
> On Tuesday 02 March 2004 16:23, Patrik Reali wrote:
>
> > Although I'm pretty sure that everybody already read the articles, here's
> > the sequel of the free java story from slashdot:
> >
> > 26 Feb: IBM Offers to Help Sun Open Up Java:
> > <http://slashdot.org/article.pl?sid=04/02/26/1532254&mode=thread>
> >
> > 27 Feb: Sun Agrees to Talk to IBM over Open Sourcing Java:
> > <http://developers.slashdot.org/article.pl?sid=04/02/27/1610245&mode=thread
>
>
> This is bizarre.  IBM already has an open source version of Java (JikesVM), 
> but perhaps Rod Smith is not aware of that.

The question is, if IBM is allowed to open source their Java implementation. 
According to some articles they are not allowed to do this. Does anyone know 
why? Do they have Sun code in their JRE? Even if this is the case, they 
could still hand their existing code over to classpath, if they want.

Apparently Sun isn't taking IBM's suggestions very seriously yet:

http://www.linuxworld.com/story/43913.htm
http://www.newsforge.com/programming/04/02/28/0022246.shtml

You never know what Sun does next. Maybe an open letter to IBM could help 
classpath.(?) Open letters are quite common these days.

Jens




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