[PATCH] Unnecessary Amount Of Internal Class Conversion

serguei.spitsyn at oracle.com serguei.spitsyn at oracle.com
Fri Oct 27 11:08:38 UTC 2017


Let's check if Alan has a time to look at it.
The patch is not that big.

Thanks,
Serguei


On 10/27/17 03:35, Ben Walsh wrote:
> Excellent. Thanks Serguei.
>
> That's correct. It's my first contribution.
>
> Could you recommend someone for the second required review ?
>
>
> Thanks,
> Ben Walsh
>
> -----"serguei.spitsyn at oracle.com" <serguei.spitsyn at oracle.com> wrote: -----
> To: Ben Walsh <ben_walsh at uk.ibm.com>, serviceability-dev at openjdk.java.net
> From: "serguei.spitsyn at oracle.com" <serguei.spitsyn at oracle.com>
> Date: 27/10/2017 6:42
> Cc: alan Bateman <Alan.Bateman at oracle.com>
> Subject: Re: [PATCH] Unnecessary Amount Of Internal Class Conversion
>
> Hi Ben,
>
> The fix looks good, I see no problems.
> Thank you for taking care about this!
>
> I'll sponsor it.
> A couple of copyright comments need an update but I can fix it myself.
>
> Do I understand it right that you have no OpenJDK status yet?
> At least one more review is required for push.
>
> Thanks,
> Serguei
>
>
> On 10/20/17 05:57, Ben Walsh wrote:
>> Alan has hosted the patch for me :
>> https://urldefense.proofpoint.com/v2/url?u=http-3A__cr.openjdk.java.net_-7Ealanb_8189731_webrev_&d=DwICaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=0rTKw9slljsdE7-sx--lzTNyOod7e8UQH1LYkfqUvuI&m=g2uzGnK1r9fSRVv1_xM4GD7tmiC3zrARxelV9Iw5KRc&s=w53BxK8jD973k3MASlvUlnnCp1mDJR9R9jSOiDRoYGg&e=
>>
>> Regards,
>>
>> Ben Walsh
>>
>>
>> -----Ben Walsh/UK/IBM wrote: -----
>> To: serviceability-dev at openjdk.java.net
>> From: Ben Walsh/UK/IBM
>> Date: 19/10/2017 11:07
>> Subject: [PATCH] Unnecessary Amount Of Internal Class Conversion
>>
>> Per Alan's request here (https://urldefense.proofpoint.com/v2/url?u=http-3A__mail.openjdk.java.net_pipermail_core-2Dlibs-2Ddev_2017-2DOctober_049532.html&d=DwICaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=0rTKw9slljsdE7-sx--lzTNyOod7e8UQH1LYkfqUvuI&m=g2uzGnK1r9fSRVv1_xM4GD7tmiC3zrARxelV9Iw5KRc&s=-4eQ0EEyG3wyhV69AvRRNWG5ZreRsVtNHMjTDTYvtso&e=), I am redirecting my initial email to this mailing list ...
>>
>> I have observed a problem where an unnecessary amount of internal class conversion is occurring.
>>
>> I have a patch which I would like to contribute which represents a performance optimisation for this problem in the java.instrument module implementation.
>>
>> It avoids having to convert all classes from a JVM's internal class format to the .class file format, in order to call the ClassFileLoadHook, when no java transformer installed.
>>
>> I would like to pair with a sponsor who could host and review this patch, so I can get it contributed.
>>
>> Regards,
>>
>> Ben Walsh
>>
>>
>> Unless stated otherwise above:
>> IBM United Kingdom Limited - Registered in England and Wales with number 741598.
>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>> Unless stated otherwise above:
>> IBM United Kingdom Limited - Registered in England and Wales with number 741598.
>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>>
> Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>



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