The ScaLAPACK installer, which is a Python script that downloads the sources of BLACS, Many compilation errors and was taking a long time to debug. I first tried downloading BLACS sources and compiling the library, however it gave too GNU/Linux distributions, the same cannot be said for BLACS. While MPICH is easily installable on most I have written about using the scalapack C++ interface for a simple block LU decompositionįor this computation, we use MPICH and BLACS. Hierarchical matrices will be covered in another post. This post will cover only LU factorization of dense ![]() Will find something useful in this post too. In this post I would like to document my learnings about desinging the parallel algorithmĪnd installing the various libraries that are required for this purpose. Thus we cannot use already implemented distributed LU factorization ![]() Then be extended to hierarchical matrices and would eventually work with dense matrices Recently I was tasked with implemented a block LU decomposition in parallel usingĪ block cyclic process distribution using BLACS and MPI.
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