sistek / bddcml

Massively parallel solver of systems of linear equations using Multilevel Balancing Domain Decomposition based on Constraints (BDDC).

Home Page:http://users.math.cas.cz/~sistek/software/bddcml.html

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Multilevel BDDC solver library 
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Install notes: 
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1. Create a make.inc within the main directory - can be done by editing make.inc.example
   make sure all necessary external libraries are available:
   These include: 
   BLOPEX ( http://code.google.com/p/blopex ) 
   MUMPS  ( http://graal.ens-lyon.fr/MUMPS )                             
   ParMETIS ( http://glaros.dtc.umn.edu/gkhome/metis/parmetis/overview ) 
   LAPACK ( http://www.netlib.org/lapack ) 
   BLAS ( http://www.netlib.org/blas )
    ( LAPACK and BLAS are often included in numerical libraries such as MKL )

2. type make 
   This should first compile object and modules of src/ folder, 
   create library libbddcml.a in lib/ folder,
   and finally compile example solvers in examples/ solver.

For additional info, see
http://www.math.cas.cz/~sistek/software/bddcml.html
In case help is needed, write to Jakub Sistek ( sistek@math.cas.cz ).

The library provides a simple interface callable from Fortran and C. The solution proces is
operated by several routines consequently called. 

Two different modes are possible for input 
- user can either provide information about global mesh and a file with element matrices, or
- user can provide division into subdomains on the first level and pass 
  subdomain matrices for each subdomain to the routine

About

Massively parallel solver of systems of linear equations using Multilevel Balancing Domain Decomposition based on Constraints (BDDC).

http://users.math.cas.cz/~sistek/software/bddcml.html

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Language:Fortran 98.1%Language:C 1.7%Language:Makefile 0.2%