mld-ainv's Introduction
This is the AINV plugin for MLD2P4 2, version 1.0-alpha. The algorithms are described in D. Bertaccini, S. Filippone Sparse approximate inverse preconditioners on high performance GPU platforms, Computers and Mathematics with Applications, 71 (2016), pp. 693--711 PREREQUISITES To build this code you need to have PSBLAS 3.4 or later from https://github.com/sfilippone/psblas3 and MLD2P4 2.1 from https://github.com/sfilippone/mld2p4-2 together with their prerequisites. We provide an interface to the SAINV code by M. Tuma, and specifically the code for sainvsr http://www2.cs.cas.cz/~tuma/sparslab/sainvsr.tar.gz to enable you have to download the code from Tuma's website and unpack it. The sainvsr_driver.F file contains all the code for the ainvsr2 method, together with a sample main program; you have to take out the main program and compile ainvsr2 with all its support subroutines. INSTALLING ./configure --prefix=/path/to/install \ --with-mld2p4=/path/to/MLD2P4/install \ --with-sainv=/TUMA/sainv/install_file make; make install Contact: Salvatore Filippone [email protected]
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