Xerces Performance Acceleration Project: icXML 0.9 is available
I am pleased to announce the availability of public SVN access to icXML 0.9 source code with svn or trac. icXML is our modified version of the Xerces C++, systematically restructured to improve performance through the integration of parallel bit stream technology. svn co http://parabix.costar.sfu.ca/svn/icXML/icXML-0.9 Trac browser: http://parabix.costar.sfu.ca/browser/icXML As always, we are interested in feedback from Xerces C++ developers and users. We are also happy to announce that our paper describing icXML has been accepted for presentation at Balisage 2013 in Montreal, August 6-9. Hope to see you there! Rob Cameron, CTO, International Characters, Inc Professor of Computing Science, Simon Fraser University http://www.international-characters.com/ http://parabix.costar.sfu.ca/ - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Xerces Performance Acceleration Project: icXML
That's great, Gareth. I do think these lists are the right starting point, and that creating a community of developers/users is key.I think I won't approach the gene...@incubator.apache.org list immediately because it just seems premature.(But thanks anyway, Michael, it seems like a good route if we aren't able to find a champion through the process of community building.) We'll certainly be continuing the work within both ICI and the research lab at SFU. Incidentally, for someone with the interest, doing open-source project work could be combined with graduate studies ... On Fri, Feb 1, 2013 at 4:20 AM, Gareth Reakes gar...@we7.com wrote: Hey Rob, We are interested in feedback and interest from developers and potential users. We are also interested in identifying a potential Champion who could help put us on track to become an official Xerces subproject. If you're actively looking for a champion you may want to post to the gene...@incubator.apache.org list to get the attention of a larger audience of ASF members who might be interested in that role. I would be happy to help out here although posting to that list still makes sense. The key thing we need to do is work on creating a community that will support the ongoing development and maintenance. There are not many people that contribute to Xerces these days and any reticence you may sense is because we would want to make sure that there was enough interest to support over the medium/long term. Its not going to be code we know about or can support easily so the worst thing for us would be to accept the (very generous) code gift but then be unable to support the users that come with it. On a technical level I think what you have done is really cool and useful. I would be happy to chat more about this if you want. Gareth -- Gareth Reakes, CTO we7 - Great Free Music +44-20-7117-0809 http://www.we7.com The music business is a cruel and shallow money trench, a long plastic hallway where thieves and pimps run free, and good men die like dogs. There's also a negative side. - Hunter S. Thompson - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Xerces Performance Acceleration Project: icXML
Hey Rob, We are interested in feedback and interest from developers and potential users. We are also interested in identifying a potential Champion who could help put us on track to become an official Xerces subproject. If you're actively looking for a champion you may want to post to the gene...@incubator.apache.org list to get the attention of a larger audience of ASF members who might be interested in that role. I would be happy to help out here although posting to that list still makes sense. The key thing we need to do is work on creating a community that will support the ongoing development and maintenance. There are not many people that contribute to Xerces these days and any reticence you may sense is because we would want to make sure that there was enough interest to support over the medium/long term. Its not going to be code we know about or can support easily so the worst thing for us would be to accept the (very generous) code gift but then be unable to support the users that come with it. On a technical level I think what you have done is really cool and useful. I would be happy to chat more about this if you want. Gareth -- Gareth Reakes, CTO we7 - Great Free Music +44-20-7117-0809 http://www.we7.com The music business is a cruel and shallow money trench, a long plastic hallway where thieves and pimps run free, and good men die like dogs. There's also a negative side. - Hunter S. Thompson - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Xerces Performance Acceleration Project: icXML
Rob Cameron r...@international-characters.com wrote on 27/01/2013 11:18:33 AM: From: Rob Cameron r...@international-characters.com To: c-dev@xerces.apache.org, c-us...@xerces.apache.org, Date: 27/01/2013 11:19 AM Subject: Xerces Performance Acceleration Project: icXML icXML is the name of our project to dramatically accelerate Xerces performance on modern commodity processors by taking advantage of SIMD and multicore capabilities and parallel bit stream technology. We are interested in feedback and interest from developers and potential users. We are also interested in identifying a potential Champion who could help put us on track to become an official Xerces subproject. If you're actively looking for a champion you may want to post to the gene...@incubator.apache.org list to get the attention of a larger audience of ASF members who might be interested in that role. Version 0.8 of icXML has been released and is available together with a development version on the costar.sfu.ca server. svn co http://parabix.costar.sfu.ca/svn/icXML/icXML-0.8 svn co http://parabix.costar.sfu.ca/svn/icXML/icXML-devel Trac browser: http://parabix.costar.sfu.ca/browser/icXML To get an idea of the performance prospects, here are end-to-end figures using Xerces-C 3.1.1 and icXML with a GML-to-SVG conversion application. snip/ Rob Cameron, CTO, International Characters, Inc Professor of Computing Science, Simon Fraser University http://www.international-characters.com/ http://parabix.costar.sfu.ca/ - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org Thanks. Michael Glavassevich XML Technologies and WAS Development IBM Toronto Lab E-mail: mrgla...@ca.ibm.com E-mail: mrgla...@apache.org - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Xerces Performance Acceleration Project: icXML
icXML is the name of our project to dramatically accelerate Xerces performance on modern commodity processors by taking advantage of SIMD and multicore capabilities and parallel bit stream technology. We are interested in feedback and interest from developers and potential users. We are also interested in identifying a potential Champion who could help put us on track to become an official Xerces subproject. Version 0.8 of icXML has been released and is available together with a development version on the costar.sfu.ca server. svn co http://parabix.costar.sfu.ca/svn/icXML/icXML-0.8 svn co http://parabix.costar.sfu.ca/svn/icXML/icXML-devel Trac browser: http://parabix.costar.sfu.ca/browser/icXML To get an idea of the performance prospects, here are end-to-end figures using Xerces-C 3.1.1 and icXML with a GML-to-SVG conversion application. Xerces-C 3.1.1 Performance counter stats for './gml2svg_3_1_1 ../../data/layer/gml-10 out_3': 24,444,713,630 instructions:u#1.83 insns per cycle [83.35%] 13,344,529,298 cycles:u #0.000 GHz [83.33%] 41,915,991 branch-misses:u #0.70% of all branches [83.33%] 6,013,112,976 branches:u [83.34%] 81,290,233 L1-dcache-misses:u [83.33%] 153,198,046 L1-icache-misses:u [66.73%] 3.764054961 seconds time elapsed icXML Performance counter stats for './gml2svg_icx ../../data/layer/gml-10 out_3': 16,470,263,948 instructions:u#1.89 insns per cycle [83.33%] 8,707,613,130 cycles:u #0.000 GHz [83.33%] 13,912,341 branch-misses:u #0.43% of all branches [83.35%] 3,244,282,034 branches:u [83.33%] 67,380,609 L1-dcache-misses:u [83.33%] 32,141,837 L1-icache-misses:u [66.66%] 2.554010404 seconds time elapsed icXML experimental version with 2-thread pipeline parallelism Performance counter stats for './gml2svg_icx_pipeline ../../data/layer/gml-10 out_3': 16,544,368,151 instructions:u#1.37 insns per cycle [84.11%] 12,060,226,476 cycles:u #0.000 GHz [83.93%] 13,212,826 branch-misses:u #0.39% of all branches [83.92%] 3,357,152,226 branches:u [83.78%] 77,941,092 L1-dcache-misses:u [83.10%] 25,757,287 L1-icache-misses:u [67.36%] 2.180680680 seconds time elapsed Rob Cameron, CTO, International Characters, Inc Professor of Computing Science, Simon Fraser University http://www.international-characters.com/ http://parabix.costar.sfu.ca/ - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Xerces Performance Acceleration Project: icXML
Hi Rob, Rob Cameron r...@international-characters.com writes: icXML is the name of our project to dramatically accelerate Xerces performance on modern commodity processors by taking advantage of SIMD and multicore capabilities and parallel bit stream technology. I wanted to try icXML with CodeSynthesis XSD[1] for some time now. Just haven't been able to find the time. I have a few questions: 1. It is my understanding that icXML is interface-compatible with Xerces-C++ 3-series. Is that correct? 2. Have you done any parallelization of the XML Schema validation engine? 3. You've shown results for icXML in two configurations, single- threaded and with 2 threads. Is there any documentation that describes these extra parameters/options/etc. In other words, how would I go about specifying the number of threads? [1] http://www.codesynthesis.com/products/xsd/ Boris -- Boris Kolpackov, Code Synthesishttp://codesynthesis.com/~boris/blog Compiler-based ORM system for C++ http://codesynthesis.com/products/odb Open-source XML data binding for C++ http://codesynthesis.com/products/xsd XML data binding for embedded systems http://codesynthesis.com/products/xsde - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Xerces Performance Acceleration Project: icXML
Hi, Boris. On Sun, Jan 27, 2013 at 10:18 AM, Boris Kolpackov bo...@codesynthesis.com wrote: I wanted to try icXML with CodeSynthesis XSD[1] for some time now. Just haven't been able to find the time. I have a few questions: 1. It is my understanding that icXML is interface-compatible with Xerces-C++ 3-series. Is that correct? Yes, this is correct. 2. Have you done any parallelization of the XML Schema validation engine? This is on our roadmap.We have two forms of parallelization in mind: assigning validation to separate threads (there is engineering required, but it is quite feasible with our model), and SIMD parallelization of data type and grammar validation (research required). 3. You've shown results for icXML in two configurations, single- threaded and with 2 threads. Is there any documentation that describes these extra parameters/options/etc. In other words, how would I go about specifying the number of threads? The current icXML release is single-threaded. The experimental two-thread version was proof-of-concept, we are presently redesigning to be able to use multiple pipeline stages. [1] http://www.codesynthesis.com/products/xsd/ Boris -- Boris Kolpackov, Code Synthesishttp://codesynthesis.com/~boris/blog Compiler-based ORM system for C++ http://codesynthesis.com/products/odb Open-source XML data binding for C++ http://codesynthesis.com/products/xsd XML data binding for embedded systems http://codesynthesis.com/products/xsde - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
