|
|
|
|
*
|
|
|
|
|
* Parallel Sparse BLAS v2.0
|
|
|
|
|
* (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
|
|
|
* Alfredo Buttari
|
|
|
|
|
*
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
|
* are met:
|
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
* notice, this list of conditions, and the following disclaimer in the
|
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
|
* 3. The name of the PSBLAS group or the names of its contributors may
|
|
|
|
|
* not be used to endorse or promote products derived from this
|
|
|
|
|
* software without specific written permission.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
|
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
|
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
|
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
|
|
|
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
|
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
|
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
|
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
|
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
|
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
|
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
*
|
|
|
|
|
*
|
|
|
|
|
|
|
|
|
|
This directory contains the PSBLAS library, version 2.0.
|
|
|
|
|
The version 1.0 of the library is described in:
|
|
|
|
|
S. Filippone, M. Colajanni
|
|
|
|
|
PSBLAS: A library for parallel linear algebra computation on sparse matrices
|
|
|
|
|
ACM Trans. on Math. Software, 26(4), Dec. 2000, pp. 527-550.
|
|
|
|
|
|
|
|
|
|
PLATFORMS:
|
|
|
|
|
|
|
|
|
|
For the F77 compiler, we assume it supports DOUBLE COMPLEX and DO WHILE/ENDDO.
|
|
|
|
|
Practically all compilers do nowadays.
|
|
|
|
|
The compilation process relies on the choice of an appropriate
|
|
|
|
|
Make.inc file; we have tested with AIX XLF, Intel ifc/Linux, Lahey
|
|
|
|
|
F95/Linux, Nag f95/Linux, GNU Fortran/Linux. If you succeed in compiling with
|
|
|
|
|
other compiler/operating systems please let us know.
|
|
|
|
|
|
|
|
|
|
IBM SP2.
|
|
|
|
|
The library has been tested on an IBM SP2 with XLC and XLF
|
|
|
|
|
compilers, and a version of the BLACS based on MPI.
|
|
|
|
|
The rather baroque setting
|
|
|
|
|
F90=xlf90 -qsuffix=f=f90
|
|
|
|
|
in Make.inc.rs6k takes care of the f90 extension.
|
|
|
|
|
WARNING: xlf 8.1 introduced a performance bug, whereas a Fortan 90
|
|
|
|
|
code calling a Fortan 77 code would incur spurious array copies;
|
|
|
|
|
please make sure your system has the PTF xlf 8102 installed.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LINUX:
|
|
|
|
|
|
|
|
|
|
There finally exist a GNU Fortran 95 implementation: we are using the
|
|
|
|
|
development snapshots from GCC 3.5.0, later 4.1 and 4.2 since July
|
|
|
|
|
2004, and it appears to work. The 4.2 version of GNU compilers is now
|
|
|
|
|
our reference platform.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vast F90/Linux is now obsolete, in that we have a NULL()
|
|
|
|
|
initialization for pointers that is outside strict F90.
|
|
|
|
|
For the PGI compilers, we used them in conjunction with gcc, NOT
|
|
|
|
|
pgcc. Note that with pgi 3.6 we have horrible performance, due to
|
|
|
|
|
spurious array copies when calling Fortran 77 codes from Fortran 90;
|
|
|
|
|
this is fixed in version 4 and later.
|
|
|
|
|
|
|
|
|
|
The Lahey version we got access to (6.0 and 6.1) seems to suffer from
|
|
|
|
|
the same extra copies problem; this is most apparent in the matrix
|
|
|
|
|
build process.
|
|
|
|
|
|
|
|
|
|
For the Intel compilers, we used ifc versions 7, 8 and 9; with version 6.0
|
|
|
|
|
you need to change the way modules are handled, but we recommend to migrate
|
|
|
|
|
to the new version anyway. Moreover, with versions prior to 7.1, there
|
|
|
|
|
is a strange error in pargen/ppde90: the compiler did not like the
|
|
|
|
|
INTERFACE for the dummy argument subroutine PARTS, it wanted an
|
|
|
|
|
EXTERNAL specification. Again, please move to 7.1.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Testing of NAG f95 versions is still incomplete.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
DOCUMENTATION
|
|
|
|
|
|
|
|
|
|
See userguidef90.ps.
|
|
|
|
|
Please consult the sample programs, especially TEST/pargen/ppde90.f90.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
OTHER SOFTWARE CREDITS
|
|
|
|
|
|
|
|
|
|
We include our modified implementation of some of the Sparker (serial
|
|
|
|
|
sparse BLAS) material, e.g. Jagged diagonal, plus a number of
|
|
|
|
|
extensions of our own design. The original file spblas.f can be
|
|
|
|
|
downloaded from matisa.cc.rl.ac.uk; of course any bugs in our
|
|
|
|
|
implementation are our own to fix. The main reference for the serial
|
|
|
|
|
sparse BLAS is:
|
|
|
|
|
Duff, I., Marrone, M., Radicati, G., and Vittoli, C.
|
|
|
|
|
Level 3 basic linear algebra subprograms for sparse matrices: a user
|
|
|
|
|
level interface
|
|
|
|
|
ACM Trans. Math. Softw., 23(3), 379-401, 1997.
|
|
|
|
|
|
|
|
|
|
We have had good results with the METIS library, which can be
|
|
|
|
|
obtained from
|
|
|
|
|
http://www-users.cs.umn.edu/~karypis/metis/metis/main.html
|
|
|
|
|
|
|
|
|
|
We include interfaces to:
|
|
|
|
|
-- SuperLU 3.0 http://crd.lbl.gov/~xiaoye/SuperLU/
|
|
|
|
|
-- UMFPACK 4.4 http://www.cise.ufl.edu/research/sparse/umfpack/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
The PSBLAS team.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Credits for version 2.0:
|
|
|
|
|
Salvatore Filippone
|
|
|
|
|
Alfredo Buttari
|
|
|
|
|
Pasqua D'Ambra
|
|
|
|
|
Daniela Di Serafino
|
|
|
|
|
|
|
|
|
|
Credits for version 1.0:
|
|
|
|
|
Salvatore Filippone
|
|
|
|
|
Michele Colajanni
|
|
|
|
|
Fabio Cerioni
|
|
|
|
|
Stefano Maiolatesi
|
|
|
|
|
Dario Pascucci
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
