Yes. -- <http://www.oracle.com> Dalibor Topic | Principal Product Manager Phone: +494089091214<tel:+494089091214> | Mobile: +491737185961 <tel:+491737185961>
ORACLE Deutschland B.V. & Co. KG | Kühnehöfe 5 | 22761 Hamburg ORACLE Deutschland B.V. & Co. KG Hauptverwaltung: Riesstr. 25, D-80992 München Registergericht: Amtsgericht München, HRA 95603 Komplementärin: ORACLE Deutschland Verwaltung B.V. Hertogswetering 163/167, 3543 AS Utrecht, Niederlande Handelsregister der Handelskammer Midden-Niederlande, Nr. 30143697 Geschäftsführer: Alexander van der Ven, Jan Schultheiss, Val Maher <http://www.oracle.com/commitment> Oracle is committed to developing practices and products that help protect the environment > On 13.05.2016, at 17:53, Volker Simonis <volker.simo...@gmail.com> wrote: > > Hi, > > just a quick check: do I have the approval of the Porters Group to put > forward this > proposal for a vote? > > Thank you and best regards, > Volker > > >> On Mon, May 9, 2016 at 2:51 PM, David Edelsohn <dje....@gmail.com> wrote: >> Hi, Volker >> >> This is a pleasant surprise. If SAP has a complete OpenJDK port for >> s390x and are willing to contribute it, that would be great! Please >> inquire about that option. There is no reason to duplicate effort and >> re-implement the entire port. >> >> If you can make fast enough progress on the approvals, could this be >> contributed for JDK 9? >> >> Again, thanks for the alerting us to this port and for the offer to >> contribute it. >> >> Thanks, David >> >>> On Mon, May 9, 2016 at 8:19 AM, Volker Simonis <volker.simo...@gmail.com> >>> wrote: >>> Hi everybody, >>> >>> my name is Volker Simonis and I'm the project lead of the PowerPC/AIX >>> porting project. I'm writing from my Google mail account for historic >>> reasons (I've been an OpenJDK contributor before SAP was) but I think >>> it is no secret that I'm working for SAP :) >>> >>> We have a complete (i.e. template interpreter, C1 and C2 JIT) and >>> certified (Java 4-8) s390x port which is used in production since >>> years. It is based on the our commercially licensed HotSpot sources >>> but the s390x port is completely written and owned by SAP. >>> >>> We haven't thought about contributing it to the OpenJDK until now >>> because we didn't expect any interest from the community :) >>> >>> I can not make any commitments now, but if there really is any >>> interest in such a port (and this email thread indicates that there is >>> :) we may reconsider our decision. >>> >>> From a technical point of view and with the experience we gained with >>> the PowerPC/AIX Port I think the s390x port could be integrated into >>> the OpenJDK quite smoothly (there are considerably less shared changes >>> required compared to the PowerPC/AIX port). >>> >>> So if this sounds reasonable, I could begin to get the internal >>> approvals so we can get the project started. >>> >>> Regards, >>> Volker >>> >>>> On Fri, May 6, 2016 at 3:24 PM, David Edelsohn <dje....@gmail.com> wrote: >>>>> On Fri, May 6, 2016 at 7:25 AM, dalibor topic <dalibor.to...@oracle.com> >>>>> wrote: >>>>> Hi David, >>>>> >>>>> thank you for your proposal. As usual, I have a few questions in order to >>>>> better understand the Project being proposed. >>>>> >>>>>> On 05.05.2016 14:48, David Edelsohn wrote: >>>>>> >>>>>> [Sorry if this is a duplicate. An earlier message is awaiting >>>>>> moderation.] >>>>>> >>>>>> I would like to propose the creation of a new project to port OpenJDK >>>>>> to IBM z/Architecture (s390x). >>>>> >>>>> >>>>> I noticed that you sent the proposal from a gmail address, while a person >>>>> of >>>>> the same name seems to work [0] at IBM, who happen to produce s390x >>>>> architecture machines. Do you happen to be the same person by chance? If >>>>> so, >>>>> would you be contributing to this Project on behalf of IBM, or on your own >>>>> behalf? >>>> >>>> Hi, Dalibor >>>> >>>> Yes, I am the same person. I prefer this email address for >>>> discussions with Open Source projects. I sent the feature request from >>>> my official IBM email address to confirm that this request originates >>>> from IBM and that IBM supports this effort. >>>> >>>> IBM itself will not contribute the port. I will not contribute this >>>> port myself -- neither as an IBM employee nor on my own behalf. >>>> >>>>> >>>>> Could you elaborate a bit on the nature of the development work: >>>>> >>>>> * Who would be in the initial set of the Project's Committers? >>>> >>>> The port will be developed by Marcin Kościelnicki. >>>> >>>>> * Would you have Reviewers on the Project? >>>> >>>> Yes, there will be IBMers who will assist with reviews of the proposed >>>> patches. >>>> >>>>> * Would you be starting from scratch within the new OpenJDK Project, or >>>>> are >>>>> you looking at bringing an already existing, internal port in? >>>> >>>> This is a new port starting from scratch. >>>> >>>>> * In the latter case, does the code you'd like to contribute to the port >>>>> have any third party dependencies? >>>> >>>> N/A >>>> >>>>> * In the former case, are you aware of the Open Mainframe Project, which >>>>> seems to intend to produce a JIT for OpenJDK, as well? [1] >>>> >>>> This proposal is in conjunction with the Open Mainframe Project TSC for >>>> OpenJDK. >>>> >>>>> * Which JDK release would you plan to target initially? >>>> >>>> I believe that the goal is inclusion in OpenJDK 9. I welcome your >>>> advice and guidance about this issue. >>>> >>>>> >>>>>> The proposal is support for s390x z12 on LinuxONE (Linux on IBM z >>>>>> Systems). The support would include the C++ interpreter, the template >>>>>> interpreter, and the C2 compiler. >>>>> >>>>> >>>>> OK. I assume that C1 is not something your port needs, or is it something >>>>> you'll consider for a later iteration? >>>> >>>> C1 is not needed. We may consider it in the future, depending on >>>> market and/or customer requirements. >>>> >>>>> >>>>>> I have submitted an enhancement request that has been assigned review >>>>>> ID JI-9036871. I am hoping that it will be assigned an official JIRA >>>>>> issue and allow OpenJDK Bug System access. >>>>> >>>>> >>>>> That issue is now https://bugs.openjdk.java.net/browse/JDK-8156104 . It's >>>>> also been marked as closed, as there is no need to submit issues to create >>>>> new Projects. The process is documented at >>>>> http://openjdk.java.net/projects/#new-project . >>>>> >>>>> When a new Project is created, its Project Lead, Committers, Reviewers and >>>>> Authors get write access to the JDK Bug System within their Project. >>>> >>>> Thanks. >>>> >>>> IBM has very successfully utilized bounties[2] to enable and optimize >>>> many Open Source packages on LinuxONE (and POWER). We plan to >>>> continue with that methodology for this project with multiple feature >>>> requests in JIRA corresponding to different components / phases of the >>>> project to enable OpenJDK. >>>> >>>> Thanks for your help with the process to formally create this project. >>>> Your guidance is greatly appreciated. >>>> >>>> Thanks, David >>>> >>>> [2] https://www.bountysource.com/teams/ibm/bounties
