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• Jose Jesus Ambriz Meza September 28, 2009 10:19 PM PDT    design patterns on parallel programming Hi Communitie! I invite you to discuss about all design patterns that are involved on parallel programming! For example: Singleton pattern Do you know another? Do you know a architecture pattern about parallel programming? Would you like propuse one?( architecture, design or programming pattern ) I wait for your posts! Jose Jesus Ambriz Meza September 28, 2009 10:41 PM PDT Rate   #1 Re: design patterns on parallel programming Sandip H. Mandera In this link: http://software.intel.com/en-us/articles/visiting-proxy-design-pattern/ Talk about proxy pattern but don't use it on parallel programming. Do you know another articles on Intel Software network about design pattern on parallel programming? Gastón C. Hillar September 29, 2009 9:57 PM PDT Rate   #2 Reply To #1 Re: design patterns on parallel programming Quoting - Jose Jesus Ambriz Meza Sandip H. Mandera In this link: http://software.intel.com/en-us/articles/visiting-proxy-design-pattern/ Talk about proxy pattern but don't use it on parallel programming. Do you know another articles on Intel Software network about design pattern on parallel programming? Hi Jose, There is a very interesting book: "Patterns for Paralllel Programming" covering many design patterns on parallel programming, by Timothy G. Mattson, Beverly A. Sanders and Berna L. Massingill. Besides, you can find many interesting algorithms covered in Dr. Clay Breshears' "The Art of Concurrency: A Thread Monkey's Guide to Writing Parallel Applications". A must read. As another example, in my book "C# 2008 and 2005 Threaded Programming: Beginner's Guide", focused on C# parallel programming for beginners and talking about selected threading topics (not a full reference guide), I've used the factory method class creational pattern to create classes prepared for inheritance and hence simplifying the creation of parallelized code. Besides, another useful pattern whilst working in C# and C# 3.0 threading model is the observer object behavioral design pattern, also known as dependents and publish-subscribe. That's from my experience. However, now that C# 4.0, .Net 4.0 and Visual Studio 2010 is in Beta 1, the new light-weight threading model allows to use many other patterns that were very difficult to use in previoous C# and .Net versions. Cheers, Gaston Gastón C. Hillar Jose Jesus Ambriz Meza September 30, 2009 10:43 PM PDT Rate   #3 Reply To #2 Re: design patterns on parallel programming Thanks for your help Gaston! =D Two more questions ( please! ) (1) Do you know another references about "design pattern on parallel programming" on the web? (2) About your response " the new light-weight threading model allows to use many other patterns that were very difficult to use in previoous C# and .Net versions" Could you give us ( me and people that read this posts ) links or books references about this subject? Please, it's very important for the new version of MsVS2010 Best regards! =D jam Jose Jesus Ambriz Meza October 1, 2009 11:24 PM PDT Rate   #4 Re: design patterns on parallel programming This night I found a mexican that work on "architectural  patterns for parallel programming". I'm reading some articles and I thinks that is very interesting. Link: http://www.cs.ucl.ac.uk/staff/J.Ortega-Arjona/research_eng.html I hope this link will be useful for everyone! best regards. jam Gastón C. Hillar October 5, 2009 2:51 PM PDT Rate   #5 Reply To #3 Re: design patterns on parallel programming Quoting - Jose Jesus Ambriz Meza Thanks for your help Gaston! =D Two more questions ( please! ) (1) Do you know another references about "design pattern on parallel programming" on the web? (2) About your response " the new light-weight threading model allows to use many other patterns that were very difficult to use in previoous C# and .Net versions" Could you give us ( me and people that read this posts ) links or books references about this subject? Please, it's very important for the new version of MsVS2010 Best regards! =D jam Hi Jose, (1) I don't know another references on the web. (2) I've explained how to create producer-consumer patterns using the new concurrent collections in my aforementioned book. With VS2010 and .NET 4.0, it will be easier to use the concurrent collections to work with pipelines and producers-consumers. You won't have to worry about locks as they are lock-free concurrent collections. I'll be working on books and on posts about these topics. I'm waiting for VS 2010 Beta 2. :) Best regards, Gaston Gastón C. Hillar Gastón C. Hillar October 5, 2009 2:56 PM PDT Rate   #6 Reply To #4 Re: design patterns on parallel programming Quoting - Jose Jesus Ambriz Meza This night I found a mexican that work on "architectural  patterns for parallel programming". I'm reading some articles and I thinks that is very interesting. Link: http://www.cs.ucl.ac.uk/staff/J.Ortega-Arjona/research_eng.html I hope this link will be useful for everyone! best regards. jam Hi Jose, Thanks for the link. Very interesting information. Just a small issue: Most parallel patterns are designed to take advantage of old parallel architectures. With new NUMA hardware, some patterns have to be redesigned taking into account the new constraints and benefits. However, this is something new and there's a lot of people working on new ideas for the new architectures. I'm one of them. I'll be posting my ideas on ISN. Feel free to contact me. I'm very interested on patterns for parallel programming. Best regards, Gaston Gastón C. Hillar Paul Steinberg (Intel) October 7, 2009 12:24 PM PDT Rate   #7 Reply To #6 Re: design patterns on parallel programming Quoting - Gastón C. Hillar Hi Jose, Thanks for the link. Very interesting information. Just a small issue: Most parallel patterns are designed to take advantage of old parallel architectures. With new NUMA hardware, some patterns have to be redesigned taking into account the new constraints and benefits. However, this is something new and there's a lot of people working on new ideas for the new architectures. I'm one of them. I'll be posting my ideas on ISN. Feel free to contact me. I'm very interested on patterns for parallel programming. Best regards, Gaston Hi Jose (and everyone), Another interesting source on work towards parallel design patterns is being done at the ParLab at the University of California Berkeley.  The Lab under the leadership of  Kurt Keutzer & Dave Patterson is funded by Intel and Microsoft.  Lab URL - http://parlab.eecs.berkeley.edu/ Link to Lab wiki on Pattern Language for Parallel Programming  - http://parlab.eecs.berkeley.edu/wiki/patterns/patterns Jose Jesus Ambriz Meza October 7, 2009 8:30 PM PDT Rate   #8 Reply To #5 Re: design patterns on parallel programming Hi Gastón! Thanks for your reply, I'm try to get your books and I'm wating the news! =D jam Jose Jesus Ambriz Meza October 7, 2009 8:42 PM PDT Rate   #9 Reply To #6 Re: design patterns on parallel programming Hi Gaston! About NUMA, these are links for introduction of this technology: [1] David E. Ott. Optimizing Software Applications for NUMA.  DDJ Magazine. http://www.ddj.com/go-parallel/article/showArticle.jhtml?articleID=218401502 [2] Jie Tao, Martin Schulz, Wolfgang karl.SIMT/OMP : A toolset to study and exploit memory locality for OpenMP Applications on NUMA Architectures.Springer Verlag. http://books.google.com.mx/books?id=5ZlVI1bHMMgC&pg=PA41&lpg=PA41&dq=%2Bnuma+%2B%22parallel+programming%22&source=bl&ots=BGtcwHgV8c&sig=kbyGaGWmw2nO6m85QAAetLsyP7c&hl=es&ei=ZE_NSuqpBtSY8AbUhuGEBA&sa=X&oi=book_result&ct=result&resnum=1#v=onepage&q=%2Bnuma%20%2B%22parallel%20programming%22&f=false I'll check if the last references ( mexican investigator ) don't used NUMA. Best regards. jam Jose Jesus Ambriz Meza October 7, 2009 8:47 PM PDT Rate   #10 Reply To #7 Re: design patterns on parallel programming Hi Paul! Thanks you for your links! In the first is included one article of ACM on October 2009, this is now! =D Best regards jam

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