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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [drlvm][jit] possible ABCD bug
Date Sun, 24 Sep 2006 19:33:46 GMT

On Sep 24, 2006, at 2:11 PM, Naveen Neelakantam wrote:

> Oh, and the bidirectional bubble sort program I mentioned was  
> pieced together from code I found on the web.  It is tagged with a  
> Sun license (code apparently written by James Gosling).  Can I  
> submit it with the original license attached, even though I  
> modified it?  The license does say I am free to modify and  
> distribute the code.

You can submit it, but we'll probably not do anything with it - it  
will depend on the license.  Worst case, you can just provide a link  
to that code, and a patch, so that people who wish to test can use that.

geir

>
> Naveen
>
> On Sep 24, 2006, at 6:16 AM, Geir Magnusson Jr. wrote:
>
>> Hi,
>>
>> Welcome to Harmony, and thanks for looking into this.
>>
>> Two things :
>>
>> 1) The patch didn't come through - we strip off certain types of  
>> attachments.  The best thing to do would be to enter a JIRA in our  
>> bug-tracking system :
>>
>>      https://issues.apache.org/jira/browse/HARMONY
>>
>> 2) We have a process through which we ensure that our contributors  
>> haven't been exposed to other implementations that aren't  
>> available in open source, in an attempt to lower any risk of  
>> accidental copyright infringment or worse.  The process is  
>> detailed here :
>>
>>     http://incubator.apache.org/harmony/contribution_policy.html
>>
>> The key part of it is that you complete an Authorized Contributor  
>> Questionairre :
>>
>>     http://incubator.apache.org/harmony/auth_cont_quest.html
>>
>> The ideal solution is to fill it out, turn it into a PDF, and then  
>> send that to me (geir at pobox dot com) or, less ideally :) is fax  
>> to +1 203 665 6400.
>>
>> Thanks again, welcome again,and sorry for the paperwork.
>>
>> geir
>>
>> On Sep 24, 2006, at 6:45 AM, Naveen Neelakantam wrote:
>>
>>> I've been reading through the ABCD implementation in jitrino, and  
>>> if I understand it correctly, I found a bug.  I've attached a  
>>> patch to fix it.  Someone who actually understands the code  
>>> should verify this.
>>>
>>> Also, did anyone ever test this ABCD pass?  I ask because I've  
>>> tried running it on a bidirectional bubble sort as mentioned in  
>>> the original paper.  The paper mentions that the pass should be  
>>> able to prove all of the bounds checks in the sort method as  
>>> redundant/unnecessary.  However, when I try running the abcd pass  
>>> on a bidirectional bubble sort (attached), none of the bounds  
>>> checks are eliminated.
>>>
>>> Naveen
>>>
>>>
>>>
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>>
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>
>
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