"Shark" JIT correction [was: Re: [Fwd: FWN/Issue133]]

Pascal Calarco pcalarco at nd.edu
Mon Jul 28 12:29:22 UTC 2008


Oisin, would you mind reviewing what is at:

https://fedoraproject.org/wiki/FWN/Issue136

when you get a chance?  I  grabbed the beat sections before you likely 
made this change, so you may need to copy the edits to here too.  Thanks!

  - pascal

Oisin Feeley wrote:
> On Mon, 28 Jul 2008 09:19:25 +0100, "Gary Benson" <gbenson at redhat.com>
> said:
>   
>> Oisin Feeley wrote:
>>     
>>> I really appreciate the time that Gary took to clear up this
>>> confusion...
>>>       
>> No problem :)  It's kind of a minefield!
>>     
>
> <snip more corrections>
>
> Second time's the charm ;) Thanks again Gary.  I have made further
> corrections and the below is what will go out.
>
> https://fedoraproject.org/wiki/FWN/Beats/Developments#Erratum:_FWN.23133_.22Shark.22_is_a_JIT_not_a_VM
>
> Erratum: FWN#133 "Shark" is a JIT not a VM
>
> Gary Benson kindly corrected an error in FWN#133 "Java, So Many Free
> Choices"[1] which reported on the work being done by Red Hat engineers
> to expand the availability of a FOSS Java across more architectures. The
> gist of the correction is that Shark is not a Virtual Machine(VM) as
> stated in the article. Gary explained that OpenJDK is composed of a VM
> named HotSpot and a class library. HotSpot runs on a limited number of
> architectures and so there have been two independent attempts to
> increase VM coverage. One of these is pre-existing project named CACAO
> which is a VM whose maintainers are implementing the OpenJDK class
> interface. The other is a Red Hat initiative named zero to remove
> architecture-specific code from HotSpot in order to make compilation on
> diverse platforms easier. As zero is slow and in need of a JIT. This JIT
> could well end up being Shark. Thanks to Gary for taking the time to
> clarify this point. We encourage readers to correct important technical
> issues and misunderstandings and can be contacted via
> "news at fedoraproject.org".
>
> [1]
> http://fedoraproject.org/wiki/FWN/Issue133#Java.2C_So_Many_Free_Choices 
>   




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