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Net meets multi core
- 1. .Net meets Multi-CoreSteve Mylroiesmylroie@ix.netcom.com
- 2. Bio Steve MylroieCurrent Status
- 3. Semi Retired 1099 Consultant (Microsoft Stack)
- 5. Co-Chair South Bay Chapter, Treasurer, Board Member
- 6. Employment History 40 + years
- 8. Signetic, NV Philips, Monolithic Memories, AMD, KLA-Tencor, Promise System(Samsung)
- 9. Process Development, TCAD, Metrology Tools, Factory Management Software, Shop Floor Control systems
- 10. Medical Startups
- 11. QuickSilver Systems Lummisys (Ultrasound Image Management) (NT)
- 12. 5 Degree Bios (Cancer Treatment Planning) (Dotnet Nuke)
- 13. Education
- 14. BSEE U of W MS and PhD EE StanfordWhy Parallel Programming ?Why was it hard and what has improved ?Should be hard ?Prof. Guy Blelloch, Carnegie Mellon Univeristyhttp://software.intel.com/en-us/articles/is-parallel-programming-hard/Intel Threading Building Blocksand other worksParallel Extension to .Net(.Net 4.0 and Visual Studio 2010)
- 15. ResourcesParallel Programming with Microsoft .Nethttp://my.safaribooksonline.com/9780735651821Codplex Sample programs http://parallelpatterns.codeplex.comConcurrent Programming on Windows http://my.safaribooksonline.com/9780321434821MSDN Web sitehttp://msdn.microsoft.com/concurrencyIntel Web sitehttp://software.intel.com/en-us/intel-sdp-home/Dr. Jobs go parallelhttp://drdobbs.com/go-parallel/
- 16. What was added in .Net 4.0 and Visual Studio 2010 to make Parallel Programming easier ?Task Parallel Library(System.Threading.Tasks) Parallel Class Task ClassParallel Extension to LINQDebugging Support Parallel Task Window Parallel Stack WindowConcurrency Visualizer
- 17. What will not be coveredDatabase Access limited tasksUI limited tasks IIS ApplicationI/O bound tasks (Asynchronous i/O) Some discussion related to I/O limited tasks and a MVVM Uis can be found in theParallel Programming Bookand CodePlex Code Samples
- 18. What left ?Compute Bound TasksTwo general sets of patternsData Parallel and Task ParallelDataParallelSimple LoopsParallel.ForParallel.ForEachPLINQParallel Aggregation
- 19. What left ?Compute Bound Tasks (Continued)Task ParallelBasic TaskParallel.InvokeFuturesDynamic Task ParallelismPipe Lines
- 20. What left ?Compute Bound Tasks (Other Topics)Cancelling TasksShared Data ContainersDefault Thread/Task SchedulerLong Running taskWork Steeling Exception HandlingUnobserved ExceptionsAggregateException
- 21. Enough PowerPointTime forSome Code
- 22. Continuing Issues 1/2Non Thread Safe Library, Classes and Functions RandomDBConnectionThird Party LibrariesShared state and variablesHidden Shared stateDeadlocksClosuresSingletonsService LocatorsInstantiations use Lazy<T>
- 23. Continuing Issues 2/2Database connectionsClosuesUsing statementsOver subscriptionUnder subscriptionCache Coherency
- 24. Cache Coherency IssueCore 1Core 1CacheMain MemoryCore 2Core 2 Cache
- 25. SummaryParallel Programming is here to stay
- 26. It harder than Sequential Programming but Getting Easier
- 27. . Net 4.0 and Visual Studio 2010 Add lots of functionality to make it easier
- 28. Parallel Architecture Require a Mind Set Change
- 29. There are lots of Resource Available
- 30. Welcome to a brave New World