The Archives
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08.10.09delphi and mpi, closer look 2It is pretty simple to install and use MPI with Delphi, fortunately for us programming the MPI is no bother too. The second part is about calling MPI functions from Delphi. Continue Reading...
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08.02.09pugga c++ framework for plug-in management Features Header only library, no installation Auto loading of plug-ins from files Version control for plug-ins Object oriented design Web Pages http://pugg.sourceforge.net/ https://sourceforge.net/projects/pugg/
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08.02.09Installing boost for visual studioBoost is a collection of free libraries for c++, kind of a Swiss knife for the c++ geek. Most of boost is actually header only and don't need any installation. To use the small dark part of boost you need to install them, well built them, here is how: Short, Softcore Method: Go to BoostPro Computing and download a web installer. Follow the installer instructions. It needs a free registration, and it does not contain some libraries like Boost.Python Long, Hardcore Method: This is the programmers way., we will built the libraries ourselves. 1.We start by downloading Boost Source code from Sourceforge Continue Reading...
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08.01.09send std::string with mpiThe idea is to send the size of the string first and then allocate the storage on the reciever. Here is an example with broadcast. string s = "before"; int size = 0; if (myRank == 0) { s = "after"; size = s.size(); } BroadCast(&size,1); if (myRank != 0) s.resize(size); BroadCast(s.data(),size);
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08.01.09Delphi and mpi in 4 stepsDownload and install MPICH2 Download mpi.pas from lazarus site and put it in your project. http://wiki.lazarus.freepascal.org/MPICH Comment out any code that gives error in MPI.pas (Lazarus pascal is a little bit different than Delphi object pascal) Write your code! program HelloWorld1; uses MPI; var myid: integer; begin MPI_Init(nil,nil); MPI_Comm_rank(MPI_COMM_WORLD,@myid); writeln('id=',myid); MPI_Finalize; end.