Re: Add javax.* packages
Hi Philippe Based on RTSJ (www.rtj.org) proposal, I have recently modified Kaffe for real-time applications. The previous implementation has created a javax.realtime package and modified the Kaffe VM for real-time purpose (jthread) under Linux. The modification of Kaffe VM includes the priority inheritance protocol, management of RealtimeThread and PeriodicThread, and other modifications. In fact, the previous version was missing the memory modifications and some other classes of the RTSJ specification. I also simplified the creation of javax.realtime package into Klasses.jar (Klasses.jar = java.lang.* + javax.realtime.*). Now, Cris is going to complete some lacking parts of my previous implementation and separate the javax.realtime package from Klasses.jar. Could you please tell us your current achievement of pthreads porting for Real-time applications ? When will the ptherad real-time of Kaffe be merged into traditional Open Kaffe VM ? Regards, Erik - Original Message - From: Philippe Laporte To: [EMAIL PROTECTED] Sent: Monday, November 20, 2000 4:39 PM Subject: Re: Add javax.* packages Hi, I am very interested in this project. Can you share what modifications you made, and what are your goals? I have recently done the pthreads soft real-time port of Kaffe under linux. Thank you, -- Philippe Laporte Optimization Engineer Tel: (510) 527-4025 ext 14 Transvirtual Technologies, Inc., Fax: (510) 559-3287 Berkeley, CA, USA. Email: [EMAIL PROTECTED]
Re: Add javax.* packages
Hi, well it is not real real-time -:), but rather, the threads are scheduled within the real-time scheduling class of Linux, which is soft realtime. I don't know when it will be merged in with the OpenVM version, although this has been announced, so it should be in the near future. In the mean-time I can send anyone the few files needed for soft real-time on linux. I do not have performance benchmarks yet, but I did get a significant improvemnt on a single benchmark I use which I find to strain the mem alloc, gc and string manipulation apsects of java performance. Our ultimate goat at TVT is to have pocketlinux run under pthreads real-time. Regards, -- Philippe Laporte Optimization Engineer Tel: (510) 527-4025 ext 14 Transvirtual Technologies, Inc., Fax: (510) 559-3287 Berkeley, CA, USA. Email: [EMAIL PROTECTED] Erik Hu wrote: Hi Philippe Based on RTSJ (www.rtj.org) proposal, I have recently modified Kaffe for real-time applications. The previous implementation has created a javax.realtime package and modified the Kaffe VM for real-time purpose (jthread) under Linux. The modification of Kaffe VM includes the priority inheritance protocol, management of RealtimeThread and PeriodicThread, and other modifications. In fact, the previous version was missing the memory modifications and some other classes of the RTSJ specification. I also simplified the creation of javax.realtime package into Klasses.jar (Klasses.jar = java.lang.* + javax.realtime.*). Now, Cris is going to complete some lacking parts of my previous implementation and separate the javax.realtime package from Klasses.jar. Could you please tell us your current achievement of pthreads porting for Real-time applications ? When will the ptherad real-time of Kaffe be merged into traditional Open Kaffe VM ? Regards,Erik - Original Message - From:Philippe Laporte To: [EMAIL PROTECTED] Sent: Monday, November 20, 2000 4:39 PM Subject: Re: Add javax.* packages Hi, I am very interested in this project. Can you share what modifications you made, and what are your goals? I have recently done the pthreads soft real-time port of Kaffe under linux. Thank you, -- Philippe Laporte Optimization Engineer Tel: (510) 527-4025 ext 14 Transvirtual Technologies, Inc., Fax: (510) 559-3287 Berkeley, CA, USA. Email: [EMAIL PROTECTED]
Re: Add javax.* packages
Hi, I am very interested in this project. Can you share what modifications you made, and what are your goals? I have recently done the pthreads soft real-time port of Kaffe under linux. Thank you, -- Philippe Laporte Optimization Engineer Tel: (510) 527-4025 ext 14 Transvirtual Technologies, Inc., Fax: (510) 559-3287 Berkeley, CA, USA. Email: [EMAIL PROTECTED] C Pedley wrote: Surely the Makefile.in files are automatically generated from the Makefile.am files and do not require modification. I forgot to mention the first time that I have also updated the configure.in file. I am sure I wish to do this as I'm implementing the javax.realtime package on top of a modified kaffe. On Thu, 16 Nov 2000, Nic Ferrier wrote: > > >>> C Pedley <[EMAIL PROTECTED]> 16-Nov-00 11:57:15 AM >>> > > >My approach so far has been: I have a new package I wish > >to create, say called javax.new So I created a new folder > >in the libraries/extensions folder, and then copied the > >directory structure and makefile.am format from the servlet > >package that is located here (obviously changing "servlet" > >to "new" wherever this is appropriate). However, when > >attempting to use these makefiles an error is thrown as > >it doesn't know how to build the new.jar archive. Any > >ideas? > > You have to alter the Makefile.in and run automake if you want to > change the distrib. > > But are you sure you want to do that? > > > Nic >
