psblas3-mcbind:## cbind/prec/Makefile
cbind/test/pargen cbind/test/pargen/Makefile cbind/test/pargen/ppdec.c cbind/test/pargen/runs cbind/test/pargen/runs/ppde.inp Added test program.psblas3-mcbind
Salvatore Filippone
8 years ago
parent
fbc41dace7
commit
49cddbb6fb
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TOP=../../..
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include $(TOP)/Make.inc
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LIBDIR=$(TOP)/lib
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INCLUDEDIR=$(TOP)/include
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HERE=../..
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FINCLUDES=$(FMFLAG). $(FMFLAG)$(HERE) $(FMFLAG)$(INCLUDEDIR)
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CINCLUDES=-I. -I$(HERE) -I$(INCLUDEDIR)
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PSBC_LIBS= -L$(LIBDIR) -lpsb_cbind
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PSB_LIBS=-lpsb_prec -lpsb_base -L$(LIBDIR)
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# -lpsb_krylov_cbind
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#
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# Compilers and such
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#
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CCOPT= -g
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#FINCLUDES=$(FMFLAG)$(LIBDIR) $(FMFLAG).
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CINCLUDES=-I$(LIBDIR) $(FIFLAG)$(INCLUDEDIR) $(FIFLAG)$(PSBLAS_INCDIR)
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EXEDIR=./runs
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all: ppdec
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ppdec: ppdec.o
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$(MPFC) ppdec.o -o ppdec $(PSBC_LIBS) $(PSB_LIBS) $(PSBLDLIBS) -lm -lgfortran
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# \
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# -lifcore -lifcoremt -lguide -limf -lirc -lintlc -lcxaguard -L/opt/intel/fc/10.0.023/lib/ -lm
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/bin/mv ppdec $(EXEDIR)
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.f90.o:
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$(MPFC) $(FCOPT) $(FINCLUDES) $(FDEFINES) -c $<
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.c.o:
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$(MPCC) $(CCOPT) $(CINCLUDES) $(CDEFINES) -c $<
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clean:
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/bin/rm -f ppdec.o $(EXEDIR)/ppdec
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verycleanlib:
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(cd ../..; make veryclean)
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lib:
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(cd ../../; make library)
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tests: all
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cd runs ; ./ppdec < ppde.inp
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@ -0,0 +1,424 @@
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/*----------------------------------------------------------------------------------*/
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/* Parallel Sparse BLAS v2.2 */
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/* (C) Copyright 2007 Salvatore Filippone University of Rome Tor Vergata */
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/* */
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/* Redistribution and use in source and binary forms, with or without */
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/* modification, are permitted provided that the following conditions */
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/* are met: */
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/* 1. Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* 2. Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions, and the following disclaimer in the */
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/* documentation and/or other materials provided with the distribution. */
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/* 3. The name of the PSBLAS group or the names of its contributors may */
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/* not be used to endorse or promote products derived from this */
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/* software without specific written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED */
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/* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
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/* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS */
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/* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR */
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/* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF */
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/* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS */
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/* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
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/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) */
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/* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* */
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/* File: ppdec.c */
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/* */
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/* Program: ppdec */
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/* This sample program shows how to build and solve a sparse linear */
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/* */
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/* The program solves a linear system based on the partial differential */
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/* equation */
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/* */
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/* */
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/* */
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/* The equation generated is */
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/* */
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/* b1 d d (u) b2 d d (u) a1 d (u)) a2 d (u))) */
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/* - ------ - ------ + ----- + ------ + a3 u = 0 */
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/* dx dx dy dy dx dy */
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/* */
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/* */
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/* with Dirichlet boundary conditions on the unit cube */
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/* */
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/* 0<=x,y,z<=1 */
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/* */
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/* The equation is discretized with finite differences and uniform stepsize; */
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/* the resulting discrete equation is */
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/* */
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/* ( u(x,y,z)(2b1+2b2+a1+a2)+u(x-1,y)(-b1-a1)+u(x,y-1)(-b2-a2)+ */
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/* -u(x+1,y)b1-u(x,y+1)b2)*(1/h**2) */
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/* */
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/* Example adapted from: C.T.Kelley */
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/* Iterative Methods for Linear and Nonlinear Equations */
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/* SIAM 1995 */
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/* */
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/* */
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/* In this sample program the index space of the discretized */
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/* computational domain is first numbered sequentially in a standard way, */
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/* then the corresponding vector is distributed according to an HPF BLOCK */
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/* distribution directive. */
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/* */
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/* Boundary conditions are set in a very simple way, by adding */
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/* equations of the form */
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/* */
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/* u(x,y) = rhs(x,y) */
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/* */
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/*----------------------------------------------------------------------------------*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "psb_base_cbind.h"
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#include "psb_prec_cbind.h"
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#define LINEBUFSIZE 1024
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#define NBMAX 20
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double a1(double x, double y, double z)
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{
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return(1.0);
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}
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double a2(double x, double y, double z)
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{
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return(20.0*y);
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}
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double a3(double x, double y, double z)
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{
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return(1.0);
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}
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double a4(double x, double y, double z)
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{
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return(1.0);
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}
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double b1(double x, double y, double z)
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{
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return(1.0);
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}
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double b2(double x, double y, double z)
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{
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return(1.0);
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}
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double b3(double x, double y, double z)
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{
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return(1.0);
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}
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int matgen(int ictxt, int ng,int idim,int vg[],psb_c_dspmat *ah,psb_c_descriptor *cdh,
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psb_c_dvector *xh, psb_c_dvector *bh, psb_c_dvector *rh)
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{
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int iam, np;
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int x, y, z, el,glob_row,i,info,ret;
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double gx, gy, gz, deltah;
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double val[10*NBMAX], zt[NBMAX];
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int irow[10*NBMAX], icol[10*NBMAX];
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info = 0;
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psb_c_info(ictxt,&iam,&np);
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deltah = (double) 1.0/(idim-1);
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for (glob_row=1; glob_row<=ng; glob_row++) {
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/* Check if I have to do something about this entry */
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if (vg[glob_row-1] == iam) {
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el=0;
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if ( (glob_row%(idim*idim)) == 0) {
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x = glob_row/(idim*idim);
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} else {
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x = glob_row/(idim*idim)+1;
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}
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if (((glob_row-(x-1)*idim*idim)%idim) == 0) {
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y = (glob_row-(x-1)*idim*idim)/idim;
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} else {
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y = (glob_row-(x-1)*idim*idim)/idim+1;
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}
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z = glob_row-(x-1)*idim*idim-(y-1)*idim;
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gx=x*deltah;
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gy=y*deltah;
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gz=z*deltah;
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zt[0] = 0.0;
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/* internal point: build discretization */
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/* term depending on (x-1,y,z) */
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if (x==1) {
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val[el] = -b1(gx,gy,gz)-a1(gx,gy,gz);
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val[el] /= deltah*deltah;
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zt[0] = exp(-gy*gy-gz*gz)*(-val[el]);
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} else {
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val[el]=-b1(gx,gy,gz) -a1(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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icol[el]=(x-2)*idim*idim+(y-1)*idim+(z);
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el=el+1;
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}
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/* term depending on (x,y-1,z) */
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if (y==1) {
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val[el]=-b2(gx,gy,gz)-a2(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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zt[0] = exp(-gy*gy-gz*gz)*exp(-gx)*(-val[el]);
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} else {
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val[el]=-b2(gx,gy,gz)-a2(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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icol[el]=(x-1)*idim*idim+(y-2)*idim+(z);
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el=el+1;
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}
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/* term depending on (x,y,z-1)*/
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if (z==1) {
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val[el]=-b3(gx,gy,gz)-a3(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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zt[0] = exp(-gy*gy-gz*gz)*exp(-gx)*(-val[el]);
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} else {
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val[el]=-b3(gx,gy,gz)-a3(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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icol[el]=(x-1)*idim*idim+(y-1)*idim+(z-1);
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el=el+1;
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}
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/* term depending on (x,y,z)*/
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val[el]=2*b1(gx,gy,gz)+2*b2(gx,gy,gz)+2*b3(gx,gy,gz)
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+a1(gx,gy,gz)+a2(gx,gy,gz)+a3(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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icol[el]=(x-1)*idim*idim+(y-1)*idim+(z);
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el=el+1;
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/* term depending on (x,y,z+1) */
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if (z==idim) {
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val[el]=-b1(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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zt[0] = exp(-gy*gy-gz*gz)*exp(-gx)*(-val[el]);
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} else {
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val[el]=-b1(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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icol[el]=(x-1)*idim*idim+(y-1)*idim+(z+1);
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el=el+1;
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}
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/* term depending on (x,y+1,z) */
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if (y==idim) {
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val[el]=-b2(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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zt[0] = exp(-gy*gy-gz*gz)*exp(-gx)*(-val[el]);
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} else {
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val[el]=-b2(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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icol[el]=(x-1)*idim*idim+(y)*idim+(z);
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el=el+1;
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}
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/* term depending on (x+1,y,z) */
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if (x<idim) {
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val[el]=-b3(gx,gy,gz);
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val[el] = val[el]/(deltah*deltah);
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icol[el]=(x)*idim*idim+(y-1)*idim+(z);
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el=el+1;
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}
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for (i=0; i<el; i++) irow[i]=glob_row;
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if ((ret=psb_c_dspins(el,irow,icol,val,ah,cdh))!=0)
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fprintf(stderr,"From psb_c_dspins: %d\n",ret);
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psb_c_dgeins(1,irow,zt,bh,cdh);
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zt[0]=0.0;
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psb_c_dgeins(1,irow,zt,xh,cdh);
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}
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}
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if ((info=psb_c_cdasb(cdh))!=0) return(info);
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if ((info=psb_c_dspasb(ah,cdh))!=0) return(info);
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if ((info=psb_c_dgeasb(xh,cdh))!=0) return(info);
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if ((info=psb_c_dgeasb(bh,cdh))!=0) return(info);
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if ((info=psb_c_dgeasb(rh,cdh))!=0) return(info);
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return(info);
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}
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int main(int argc, char *argv[])
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{
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int ictxt, iam, np;
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char methd[40], ptype[20], afmt[8], buffer[LINEBUFSIZE+1];
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int nparms;
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int idim,info,istop,itmax,itrace,irst,i,iter,ret;
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psb_c_dprec *ph;
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psb_c_dspmat *ah;
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psb_c_dvector *bh, *xh, *rh;
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int *vg, ng, nb,nlr;
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double t1,t2,eps,err;
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double *xv, *bv, *rv;
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double one=1.0, zero=0.0, res2;
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/* psb_c_SolverOptions options; */
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psb_c_descriptor *cdh;
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ictxt = psb_c_init();
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psb_c_info(ictxt,&iam,&np);
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fprintf(stdout,"Initialization: am %d of %d\n",iam,np);
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fflush(stdout);
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psb_c_barrier(ictxt);
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if (iam == 0) {
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%d ",&nparms);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%s",methd);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%s",ptype);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%s",afmt);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%d",&idim);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%d",&istop);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%d",&itmax);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%d",&itrace);
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fgets(buffer,LINEBUFSIZE,stdin);
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sscanf(buffer,"%d",&irst);
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}
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/* Now broadcast the values, and check they're OK */
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psb_c_ibcast(ictxt,1,&nparms,0);
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psb_c_hbcast(ictxt,methd,0);
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psb_c_hbcast(ictxt,ptype,0);
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psb_c_hbcast(ictxt,afmt,0);
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psb_c_ibcast(ictxt,1,&idim,0);
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psb_c_ibcast(ictxt,1,&istop,0);
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psb_c_ibcast(ictxt,1,&itmax,0);
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psb_c_ibcast(ictxt,1,&itrace,0);
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psb_c_ibcast(ictxt,1,&irst,0);
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fprintf(stderr,"%d Check on received: methd %s ptype %s afmt %s\n",
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iam,methd,ptype,afmt);
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psb_c_barrier(ictxt);
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cdh=psb_c_new_descriptor();
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/* Simple minded BLOCK data distribution */
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ng = idim*idim*idim;
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nb = (ng+np-1)/np;
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if ((vg=malloc(ng*sizeof(int)))==NULL) {
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fprintf(stderr,"On %d: malloc failure\n",iam);
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psb_c_abort(ictxt);
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}
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for (i=0; i<ng; i++) {
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vg[i] = i/nb;
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}
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if ((info=psb_c_cdall_vg(ng,vg,ictxt,cdh))!=0) {
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fprintf(stderr,"From cdall: %d\nBailing out\n",info);
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psb_c_abort(ictxt);
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}
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bh = psb_c_new_dvector();
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xh = psb_c_new_dvector();
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rh = psb_c_new_dvector();
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ah = psb_c_new_dspmat();
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fprintf(stderr,"From psb_c_new_dspmat: %p\n",ah);
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/* Allocate mem space for sparse matrix and vectors */
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ret=psb_c_dspall(ah,cdh);
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fprintf(stderr,"From psb_c_dspall: %d\n",ret);
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psb_c_dgeall(bh,cdh);
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psb_c_dgeall(xh,cdh);
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psb_c_dgeall(rh,cdh);
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/* Matrix generation */
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if (matgen(ictxt,ng,idim,vg,ah,cdh,xh,bh,rh) != 0) {
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fprintf(stderr,"Error during matrix build loop\n");
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psb_c_abort(ictxt);
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}
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psb_c_barrier(ictxt);
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/* Set up the preconditioner */
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ph = psb_c_new_dprec();
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psb_c_dprecinit(ph,ptype);
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ret=psb_c_dprecbld(ah,cdh,ph);
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fprintf(stderr,"From psb_c_dprecbld: %d\n",ret);
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#if 0
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/* Set up the solver options */
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psb_c_DefaultSolverOptions(&options);
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options.eps = 1.e-9;
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options.itmax = itmax;
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options.irst = irst;
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options.itrace = 1;
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options.istop = istop;
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psb_c_seterraction_ret();
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t1=psb_c_wtime();
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ret=psb_c_dkrylov(methd,ah,ph,bh,xh,cdh,&options);
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t2=psb_c_wtime();
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iter = options.iter;
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err = options.err;
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fprintf(stderr,"From krylov: %d %lf, %d %d\n",iter,err,ret,psb_c_get_errstatus());
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if (psb_c_get_errstatus() != 0) {
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psb_c_print_errmsg();
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}
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fprintf(stderr,"After cleanup %d\n",psb_c_get_errstatus());
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#endif
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/* Check 2-norm of residual on exit */
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psb_c_dgeaxpby(one,bh,zero,rh,cdh);
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psb_c_dspmm(-one,ah,xh,one,rh,cdh);
|
||||
res2=psb_c_dgenrm2(rh,cdh);
|
||||
|
||||
if (iam==0) {
|
||||
fprintf(stdout,"Time: %lf\n",(t2-t1));
|
||||
fprintf(stdout,"Iter: %d\n",iter);
|
||||
fprintf(stdout,"Err: %lg\n",err);
|
||||
fprintf(stdout,"||r||_2: %lg\n",res2);
|
||||
|
||||
}
|
||||
|
||||
#if 0
|
||||
bv = psb_c_dvect_get_cpy(bh);
|
||||
nlr=psb_c_cd_get_local_rows(cdh);
|
||||
for (i=0;i<nlr; i++)
|
||||
fprintf(stdout,"RHS: %d %d %lf\n",iam,i,bv[i]);
|
||||
|
||||
|
||||
xv = psb_c_dvect_get_cpy(xh);
|
||||
nlr=psb_c_cd_get_local_rows(cdh);
|
||||
for (i=0;i<nlr; i++)
|
||||
fprintf(stdout,"SOL: %d %d %lf\n",iam,i,xv[i]);
|
||||
|
||||
|
||||
rv = psb_c_dvect_get_cpy(rh);
|
||||
nlr=psb_c_cd_get_local_rows(cdh);
|
||||
for (i=0;i<nlr; i++)
|
||||
fprintf(stdout,"RES: %d %d %lf\n",iam,i,rv[i]);
|
||||
|
||||
#endif
|
||||
|
||||
/* Clean up memory */
|
||||
if ((info=psb_c_dgefree(xh,cdh))!=0) {
|
||||
fprintf(stderr,"From dgefree: %d\nBailing out\n",info);
|
||||
psb_c_abort(ictxt);
|
||||
}
|
||||
if ((info=psb_c_dgefree(bh,cdh))!=0) {
|
||||
fprintf(stderr,"From dgefree: %d\nBailing out\n",info);
|
||||
psb_c_abort(ictxt);
|
||||
}
|
||||
if ((info=psb_c_dgefree(rh,cdh))!=0) {
|
||||
fprintf(stderr,"From dgefree: %d\nBailing out\n",info);
|
||||
psb_c_abort(ictxt);
|
||||
}
|
||||
|
||||
if ((info=psb_c_cdfree(cdh))!=0) {
|
||||
fprintf(stderr,"From cdfree: %d\nBailing out\n",info);
|
||||
psb_c_abort(ictxt);
|
||||
}
|
||||
fprintf(stderr,"pointer from cdfree: %p\n",cdh->descriptor);
|
||||
|
||||
/* Clean up object handles */
|
||||
free(ph);
|
||||
free(xh);
|
||||
free(bh);
|
||||
free(ah);
|
||||
free(cdh);
|
||||
|
||||
|
||||
fprintf(stderr,"program completed successfully\n");
|
||||
|
||||
psb_c_barrier(ictxt);
|
||||
psb_c_exit(ictxt);
|
||||
}
|
||||
@ -0,0 +1,11 @@
|
||||
7 Number of entries below this
|
||||
BICGSTAB Iterative method BICGSTAB CGS BICG BICGSTABL RGMRES
|
||||
BJAC Preconditioner NONE DIAG BJAC
|
||||
CSR A Storage format CSR COO
|
||||
40 Domain size (acutal system is this**3)
|
||||
1 Stopping criterion
|
||||
80 MAXIT
|
||||
01 ITRACE
|
||||
20 IRST restart for RGMRES and BiCGSTABL
|
||||
|
||||
|
||||
Loading…
Reference in New Issue